Unfortunately, some mechanics will just replace part after part without really looking for the leak. Most charging system problems will be corrected by performing the following steps. With our expert guide below you'll be surprised just how easy they are to fix yourself. In this article you can find 13 of the most common problems on BMW E46 models. Another source of leaks that is common is the alternator bracket gasket. However there are several common problems that can develop over time. Luckily for Range Rover owners, alternators can be easily rebuilt or replaced by mechanics. got this focus coming in next week with charging problem its on its second alternator but still same problem warning light on. The problem. Check all fuses. We find Zafira's online and in caryards every week that have been run out of oil and quickly bodged up to cover the issue only to pass on some very expensive repairs to someone else. • S is used by the regulator to monitor charging voltage at the battery. Such a problem needs fixing quickly as it can lead to an engine overheating or a flat battery. We have released a video review on the car and even covered the common faults that relate to the V6 Commodore timing chain. Failing pulleys as well as alternator mounting along with water/oil etc. Recognise it: Your car either takes a long time to start, or the car simply won’t start at all. A common problem on the Range Rover® L322 is perished rear hub bushes. 7k for a 2002 1. I replaced the alternator, cleaned all ground wires, ran a ground directly from the battery to one of the alternator bolts. I'll give you a little background so you can understand what both systems do. Figuring it to be the alternator or battery but still ran fine. Single Engine Alternator Charging System Troubleshooting. I am not worried to much about originality since if I keep this car as long as my last Z06 I will be 108 years old. Common Tumble Dryer Problems. The most common reason is a loose belt. Valeo alternator repair,common problem brush change. Common Technical Issues: YAMAHA FZR1000. Conclusion: Jeep Patriot Alternator Problems If you have reason to believe that your alternator is not charging the battery all the way, and you are out and about, see if turning off all of the accessories (including climate control) and lights that you safely can gets the warning light to turn off. If the alternator output voltage is 13V or less, the battery continues discharging, thus the battery runs down. If getting ready to buy one, or have one and want to know what might be some of the common problems to expect in the future, this list could be useful. Average repair cost is $400 at 64,100 miles. 6 v8 ford motor? -Split plastic intakes in the water passage directly behind the alternator that leaked antifreeze. The PCM sends a 5V variable duty cycle signal to command the alternator charging voltage set point between 11 and 15. New alternator was bench tested and was good Reinstalled and same problem not charging. Thus if over current fault occurs. Replacements were once scarce but are now available. Compare prices of Python Injection and other comparable products. The following symptoms should give you an idea of what's gone wrong, but. It requires 8. Common problems to look for in 98' 328i? If this is your first visit, be sure to check out the FAQ by clicking the link above. I am going to focus on the most common 6 cylinder M52 and M54 engines. Installed a new alternator worked for 2 days quit charging. 5 EcoBoost to address problems with the vacuum, ignition and shifting. Indicators that warn of an impending alternator problem can include the dashboard warning lights, a growling or whining noise from the engine compartment, and the smell of burning rubber or electrical wires. If it is still not putting out sufficient power, then the alternator’s voltage regulator could be bad or the alternator itself may need replaced. Common Causes Engine Dies and Then Starts. I also explain the difference in a failed alternator and a bad battery. Common Problems Here are some common problems accociated with 2CVs. If you think you have a bad alternator, diagnose your problems with the alternator testing procedures below. Find out the most common transmission problems, the symptoms to watch for including noise, slipping, low fluid, grinding & lack of response and how to fix them. If you are looking for second opinions and information on other Acura alternator problems, a knowledgeable person such as an Expert can be helpful to guide you in a step-by-step manner. Common Causes of Alternator Failure When people experience electrical issues with their vehicle, they're quick to think it's the battery's fault. Alternator AC Leakage A n alternator generates current and voltage by the principles of electromagnetic induction. Symptoms of a Bad or Failing Alternator 1. It hasn't got a hope because there's no battery connected. Power losses and damage to the prime mover are avoided. Make sure all connections, including battery ground cable, are clean and tight. Two heat exchangers that started leaking. However there are several common problems that can develop over time. bad electrical connections. It went out slowly so the battery was damaged by being strained for a month. I've heard alternator failure is a common problem on the Gen 5. And this is how much money you could save at the same time. Go through this quick primer on solving electrical problems in your automobile, to get an overview of the procedure. Need help diagnosing problem S-Series General. 8LX with 43k on the clock with full service history back in October. Vehicle batteries, just like all other forms of batteries, don’t last forever—so it’s crucial to determine if this is the problem. The 2002 Sedona is most affected by these issues. Those events are probably the most common reasons for alternator diodes to be damaged. Check the wiring between the regulator and alternator for heat damage or wear. The unnatural dimming or flickering of your auto lights is one of the most common symptoms of a failing alternator. A simple fix for this problem is to find an 8VDC three-pin TO220 type voltage regulator and solder new wires onto it, then use that instead of the original Nissan part. But sence the alternator is smoking when you hook up the other cars battery then you know that the power is getting to the alternator threw the wiring, so the wiring is probably fine. Fix it: There are a number of reasons which can cause a car engine not to start, the most common, of course, being a dead battery. * Intermittent engine missing. Installing dc-dc chargers - known problems maximum of about 35-37 amps at 14. We have released a video review on the car and even covered the common faults that relate to the V6 Commodore timing chain. Put a new alternator in friday, today at a stoplight it does the same and dies. Identifying the problem is the first step in getting yours back in working order, so look out for signs of the following issues. Common Starting Issues in Trucking Applications S o you think your starter motor is on the blink (again!), and with a full truck you’re sitting idle by the side of the highway halfway between where you came from and where you want to be, with a deadline looming and a crusty and inconsiderate client. Got the car home and did some testing. 2,343 likes · 11 talking about this. drivers power window started acting funny. The most common faults are 'tumble dryer not heating up' and 'tumble dryer drum won't turn. From my own experience, that of The 7 Series Register and the percentage hits on this website a definitive list can be made. And tonight my love fluid light came on. 4 quarts (11. I wait half an hour, starts up, runs and idles. Common sense would indicate big companies like Ford want to keep a good reputation regarding reman part quality, after all, that is a big business. Operation Edit Cut-away of an alternator, showing the claw-pole construction; two of the wedge-shaped field poles, alternating N and S, are visible in the centre and the stationary armature winding is visible at the top and bottom of the opening. This vehicle has the regulator built into the alternator. Ugh big time charging problems with 2001 Chevy S10 2. While you may not be a professional mechanic, this is a chance to learn about various car problems and how to solve them, without having to wait for a mechanic. The most common cause of this message is the ignition switch module, or ISM, located in the center console. A relay detects the reversal of power direction and switches off the alternator. However, I've been looking at potential problems and I keep seeing ADG failures which requires the engine to be pulled. Common Mercedes Problems & Solutions If you have a problem with your older Mercedes and are trying to figure what is causing it or how to fix it, you have come to the right place. The immediate problem is usually a dead battery, but you need to ask "Why is it dead?" When an alternator begins to fail — or fails outright — the car's battery begins to take up the slack rather than acting as a capacitor for the system by receiving a constant infusion of electrical power from the alternator. Check the wiring between the regulator and alternator for heat damage or wear. AutoFocus: Ford’s intermittent dead battery problem. Meineke Alternator Repair Services. Fortunately, the manifold tuning valve (MTV) can be re-moved to allow easy inspection of. It is a simple and straightforward job. Research common problems with your make, year and model. The most common problems are worn brushes (the component that maintains constant electrical contact with the spinning alternator) and a failing voltage regulator (which ensures that the charge is sent to the battery at the correct voltage. I have an 08 Nightster and it's at 67k miles. There are several possibilities for causes of an oil leak on your Mercedes. Indicators that warn of an impending alternator problem can include the dashboard warning lights, a growling or whining noise from the engine compartment, and the smell of burning rubber or electrical wires. You can't charge a battery with alternating current, so it must be rectified to direct current. This vehicle has the regulator built into the alternator. Many of these common electrical problems in cars are fairly easy to fix. I also explain the difference in a failed alternator and a bad battery. A bench test will check the diodes and internal regulator and then tell you if the alternator is capable of producing its rated current and voltage. The most common car AC problems all manifest themselves in the same way. Common problems with alternators. An alternator charges the vehicle's battery and powers the electrical system when the engine is running. If the bushings that the alternator is mounted on have gone bad, a noise will be produced. Reported Problems. Driving along the motorway one day, the fuel and temperature gauges both fell to zero. Therefore, if the alternator in your car or truck fails, the entire electrical system will be affected. alternator went out. The blue wire is the dash light wire. UPDATE: I still haven't found the problem, but I now know a lot more. It must absolutely not switch but when it requirements for va home loan can do, you could have definitely regarded just one problem. Starter drags, slow or sluggish cranking. The problem: Problems starting the engine. To understand the difference, you must first learn about what causes an alternator to stop charging. Alternator problems and charging system problems can affect your vehicle in different ways. " Not using genuine Alternator, as they cost about $1,500, which is absolute daylight robbery. There have been at least nine updates to change calibrations and operation software for the 2011 models with the 3. Not only is a failed alternator extremely expensive due to the costs involved in frequent battery replacements, but it is shockingly harsh on many different components of the vehicle itself. I also explain the difference in a failed alternator and a bad battery. mercedessource Tech help - Summary list of the most common causes and parts needed to fix them The common problem is listed and the reference word or words for the part to fix it are listed as a solution. These are the bushes that connect the hubs to the wishbones and the usual symptoms are clonking noises from the rear suspension when driving over bumps. Car Battery or Alternator: How to Tell Where the Problem Lies January 27, 2012 Almost all of us have experienced the problem where either your car battery or alternator just conks out, and you can't make out which one to replace. However, you need to be aware of a number of common problems with the BMW 5 series, so be vigilant and guard against these faults when considering any used vehicle from this range. Diagnosing alternator problems can be a bit tricky because the electrical system in a car comes from two places, the battery and the alternator. Other Electrical Problems The alternator is responsible for providing power to your car's different electronics. If jump starting gets your engine started and running, but the car will not start again once you turn it off, the battery is probably the problem. one wire alternator install problem - help! Wayne Pearce on August 7th 2010, 8:34 am Okay, guys - I finally decided to do something about my lack of electrical power in my car, and I'm already in trouble!. Replaced pcm relay. Common Signs of Alternator Problems How do you know when your car is on the verge of having alternator problems? After all, the alternator is a key component of your car's electrical system and, without it, your car won't run for long. If you get a customer in your shop complaining of a loss of power or stalling, check the PCM to make sure it has the latest calibration. Measure the output voltage at alternator terminal B. Is it the battery or alternator? To tell if the alternator is the problem, take note of the interior lights when running the. There have been at least nine updates to change calibrations and operation software for the 2011 models with the 3. 4 Most Common Starter Solenoid Problems And Bad Symptoms Before we discuss the starter solenoid problems and bad starter solenoid symptoms, let’s figure out what is a starter solenoid first. Taking Charge of Alternator Problems. An alternator that's going bad can affect your car in many ways. An alternator charges the battery while the vehicle is running by turning mechanical energy from a spinning pulley into current. Around the rotor you will find the stator and in the front of the housing are the built in rectifier bridge and the electronic voltage regulator. The Alternator. Shops report that Nissan Alternator Problems can sometimes be traced to an intermittent in the plug that goes into the voltage regulator in the alternator. > 6 Most Common Land Rover Problems Irrefutably representing luxury, Land Rover is one of the premiere brands in the automotive industry. There are a few problems which seem to be fairly widespread with this bike. If you are using your alternator to it's extreme, you must have this alternator! Alternators produce AC current, just like the current from your house wall outlet. Very efficient and the Service Mechanic was helpful in every way! Tony, Holden Commodore, Supply & Fit Alternator This was the first time we have used Lube Mobile as we were in the position of needing the car fixed quickly and we could not get it to another location. The problem might present as your alternator, but turn out to be much simpler: a bad battery. Not only is a failed alternator extremely expensive due to the costs involved in frequent battery replacements, but it is shockingly harsh on many different components of the vehicle itself. Vacuum Pumps Common Problems and Troubleshooting. You can't charge a battery with alternating current, so it must be rectified to direct current. For M272 or 273 engines, the plastic expansion plugs located on the back of the cylinder heads may need to replaced. Problems associated with this car part have a nasty reputation of going undetected, until it's too late. The following symptoms should give you an idea of what's gone wrong, but. Effectively you will be running the alternator without any battery in circuit, which means the alternator has no "reference" battery attached. Especially in an older vehicle, your alternator may be the source of power drainage problems. Battery or alternator: what's causing the problem? Starting and running an engine, in its simplest form, is a three-step process. The Most Common BMW N55 135i, 235i, 335i, 435i, 535i Engine Problems N55 Common Engine & Reliability Problems. I looked under the hood and noticed fluid around the area of my alternator. This article applies to the Audi A6 C5 (1998-2004). There are a few things that can also be done to enhance the performance of the average sound system. Conclusion: Jeep Patriot Alternator Problems If you have reason to believe that your alternator is not charging the battery all the way, and you are out and about, see if turning off all of the accessories (including climate control) and lights that you safely can gets the warning light to turn off. All three of our cars are riddled with electrical problems, and all three of our car's interiors have completely fallen to pieces. If your alternator is faulty it will not have charged your vehicle during your last journey, and the car will have been running only on battery power. I thought it was the battery, but I got it checked checked and the technician said that both the battery and the alternator were fine. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Chasing common electrical problems with the Ford Focus. all sorts of crazy lights started coming on and off. Make sure to skim through all sections if you are looking for a particular problem. Common Alternator Problems. DTC P0621 indicates an alternator L terminal fault. The rotor, brushes, and other internal parts of an alternator wear out over time, so replacing it is something everyone eventually needs to do. An excessively worn or loose alternator belt can produce foreign sounds, as can an alternator belt that is out of alignment. Often the first time you'll discover your alternator is faulty is when either the battery goes flat (there are several causes of this, not just alternator failure) or when the battery light comes on the dashboard. I'll give you a little background so you can understand what both systems do. alterno , to do by turns, fr. 3 Power Stroke Diesel Engines, And How You Can Fix Them The legendary 7. Lexus Sc400 Common Problems? but i have a 92 sc400 with over 200,000 on it and it runs great! the only mechanical thing i had to replace was the alternator. Some basic hands-on can. The Alternator. Starting Problems? How to Tell If It's the Battery or Alternator. With our expert guide below you'll be surprised just how easy they are to fix yourself. We have plenty of very knowledgable members so if you have any questions about your Land Rover or just want to connect with other Landy owners, you're in the right place. The problem. This is not a problem because the alternating current is rectified to direct current. The dealership diagnosis it and NPF. Problem: Dim lights or lights that seem to fade as the car runs. Check all fuses. An alternator charges the battery while the vehicle is running by turning mechanical energy from a spinning pulley into current. Make sure all connections, including battery ground cable, are clean and tight. Alternator tested bad. Since the regulator is housed in the intake, a ruptured diaphragm often results in fuel being dumped directly into the crankcase or passenger-side cylin-ders. Some common examples include: loose or worn belts. The thinner lead is the sensing wire for the regulator. * Intermittent engine missing. Battery / generator light on, alternator not charging, battery holds charge I was driving home Sunday when I realized my battery light was on. Consumer Automotive Complaints All safety-related defect complaints received by NHTSA since January 1, 1995. The factory harness is short (less than 1 foot) and can fray the wires in the terminals. 10 Common BMW Electrical Problems and How to Fix Them By Certified Master Techs in Auto Repair Information With the average cost of a single automotive electrical problem hovering around $300 , the cost of persistent issues can add up. This page is a list of common faults that Nissan Micra k11 owners have reported over the years. If you recall, or even if you don't, the older Fords have a three-wire electrical connector at the rear of the alternator that included the battery positive lead. Most of the today’s vehicles have a special light on the dashboard Pay Attention to Unusual Noises. If it is still not putting out sufficient power, then the alternator’s voltage regulator could be bad or the alternator itself may need replaced. Later I went to do some shoppings, I got off the car and when I returned It just wouldn't start. 2 volts) to effectively charge a 12 volt car battery. The second is from the starter switch accessory position - this is needed to excite or switch on the functioning of the alternator. A simple fix for this problem is to find an 8VDC three-pin TO220 type voltage regulator and solder new wires onto it, then use that instead of the original Nissan part. Even a one year old one can fail. Common Symptoms of a BAD Alternator. First, the battery delivers a jolt of electricity to the starter. How can GMC alternator problems be diagnosed? These are some of the common questions that vehicle owners are often faced with. Please keep in mind that this page should not be taken to imply that the Grand Prix is a poor quality car. The 2002 Sedona is most affected by these issues. In this post, we'll talk about what an alternator does, how it works, and what the tell-tale signs of trouble are. Our next problem with our dash display is at the other end of the car. No start problem after alternator change. Recognise it: Your car either takes a long time to start, or the car simply won’t start at all. i never attempted to fix the problem, but my guess is probably wiring somewhere. The thinner lead is the sensing wire for the regulator. One of the most common issues is that your car will not start, your battery dies and there is a squealing noise from the drive belt. Your eyes widen and your heart paces because you can't wait to get behind the wheel of a quiet purring 800. These devices have a life of about 5 years at the most before you need to replace it in your car and get a new one. The Acura TL is a great car with a lot of desirable traits, but that doesn't mean that it isn't without problems. Vauxhall Zafira cambelt problem (1999-2005 diesel cars) Its important that cars built between 1999 and 2005 have had their cambelts serviced and replaced at the correct intervals. If that doesn't do it, you're probably looking at a bad alternator. What is the most common cause of alternator failure? The component that has the highest failure rate on most alternators is the Bridge Rectifier. On the belt, hoses nearby, down below and on my coolant/antifreeze reservoir. A car alternator needs to be putting out at least 13-14 volts (ideally between 13. Troubleshooting Alternator Problems Automotive alternators are generators providing electrical power to a vehicle's electrical circuits while charging the car battery. Mechanical problems in the alternator typically involve the physical driving of the part rotor by the engine. Some of the most common problems with this transmission involve being stuck in a gear, failure of the torque converter to lock, or hard shifts. I had the EXACT same problem this summer. The more sophisticated onboard electronics become on today's cars and trucks, the more power an alternator must produce. Not only is it a faulty alternator a common misdiagnosis, but in fact a failed voltage regulator is a very common problem. Please keep in mind that this page should not be taken to imply that the Grand Prix is a poor quality car. When pressing down on the brake pedal it feels less solid and more springy than it used to. If either is below 10 volts, that is a problem and needs to be understood. It provides the high amount of voltage needed to turn the. i never attempted to fix the problem, but my guess is probably wiring somewhere. Power losses and damage to the prime mover are avoided. 4L Triton Common Problems in Trucks There are many people who are looking at buying a new truck (New to them!) or considering keeping their old truck for a few more years. When an alternator wears out, it does so in stages. Faulty wire grounds are a very common problem, but can sometimes be difficult to track down. The alternator gauge swinging wildly is another story, having to do with poor grounds, a bad regulator, an alternator with bad diodes, and wiring problems. alternator definition: a device that produces AC electricity. With millions of units on the road, there is no doubt that over time some problems will happen more often than others. Testing the alternator and charging system is very easy DIY if you have a Charging System Analyzer. Chasing common electrical problems with the Ford Focus. Another common issue - across all vehicle makes and models - is alternator failure. If such an occurrence happens, chances are your battery has either died or lost its ability to retain a charge. The 47RE transmission in these trucks is not a favored transmission among Cummins owners. The 4L60E transmission weighs 146 pounds dry, and 162 wet. Alternators carry only the field current of 2 or 3 amps. These plates can fail one at a time and reduce, but not stop, the power output. Driving even with a faulty alternator regulator will cause Lamps to have short life etc. 8 Common Honda Civic Problems and How to Fix Them There are many reasons why the Civic is one of the most enduring cars in Honda’s lineup. Battery and alternator questions list. The troubleshooting flow diagram on the next page lists the most common charging system problems, the possible. I tested voltage at the battery with my voltmeter and its charging fine. Alternator problems are rare across the three generations of Tiger 1200s. The most common alternator problems include worn carbon brushes (the two "legs" in this photo), worn contact rings (the two copper cylinders at the back of the rotor in the cutaway image) and a failed voltage regulator. Battery / generator light on, alternator not charging, battery holds charge I was driving home Sunday when I realized my battery light was on. Car Battery or Alternator: How to Tell Where the Problem Lies January 27, 2012 Almost all of us have experienced the problem where either your car battery or alternator just conks out, and you can't make out which one to replace. The Most Common BMW N55 135i, 235i, 335i, 435i, 535i Engine Problems N55 Common Engine & Reliability Problems. Test an alternator output voltage. Common problems with alternators. If getting ready to buy one, or have one and want to know what might be some of the common problems to expect in the future, this list could be useful. We diagnosed the problem as a bad alternator. The alternator is responsible for supplying energy to your engine’s battery to ensure it stays charged. My old 3litre Patrol did this twice, so there has to be a problem there somewhere. 4 quarts (11. Mercedes-Benz ML 320 Common Problems 1998-2005 W163 If you are looking to buy a used Mercedes-Benz, here is a list of the most common ML problems. The second plan is to convert to the '80s-'90s style wiring. The largest 4Runner community in the world. For generators operating with another generator, it is imperative that the power direction be supervised. Replied by Wayne613 on topic battery/alternator or fuse/relay problem Before bothering with a diagram or the like, test voltage on the B+ terminal with a DMM if you can get to the back of the alternator (to check before the fusible link that protects the rest of your electrical system from a faulty alternator or any short on that line). com : Car complaints, car problems and defect information. Having to jump start the vehicle on a regular basis. Although there are a few common problems with most Mini Cooper models, The Haus is your go-to place for help with any/all Mini Cooper issues. A screwdriver points to the bolt that is the common ground point. Ford Focus alternator problem (1998-2004 car) Ford Focus models built between June 1998 and March 1999 might have alternator problems. 8 Common Honda Civic Problems and How to Fix Them There are many reasons why the Civic is one of the most enduring cars in Honda’s lineup. Got the car home and did some testing. Read about the 7 most common problems with MINI Coopers that we find. Likewise, F-150s from this period and even earlier have had issues with the alternator belt, ball joints and suspension. If its a diesel, the wires can rub through the metal bracket next to the alternator. ALTERNATOR PROBLEMS OR BATTERY PROBLEMS? Look for the following car symptoms to check for alternator problems and battery problems. There are a few reasons why your alternator is not working properly. and all of the same original problems. Symptoms of a Bad or Failing Alternator 1. The battery has one primary function, which is to start the car. Estimate does not include taxes and fees. So something inside the alternator was shorting out under the right conditions and allowing current flow, thus draining the battery. Read below where Experts have answered questions relating to the GMC alternator. I wait half an hour, starts up, runs and idles. The 2009 Toyota Corolla has 9 problems reported for faulty alternator. If you're thinking about buying a new F-150, you might want to think again after watching this video. Alternator, Alternator Problems, Car Parts, Car Parts Online, OEM Parts, Spare Parts, Used Car Parts In order to get you from A to B your alternator plays a pivotal role. Tuono known problems/hints/tips. One of the most common issues is that your car will not start, your battery dies and there is a squealing noise from the drive belt. Understanding the warning signs of car alternator problems will help to avoid expensive repairs and inconvenient breakdowns. There have been at least nine updates to change calibrations and operation software for the 2011 models with the 3. Here I explain what can happen when your alternator fails. If you are looking for second opinions and information on other Acura alternator problems, a knowledgeable person such as an Expert can be helpful to guide you in a step-by-step manner. 5 Common Problems that Prevent Engines from Starting Seeing as they are so simple to operate it is no surprise that many people often take their cars' function for granted. Common faults: FAULT 1: OVERCHARGING THE BATTERY. The Acura TL is a great car with a lot of desirable traits, but that doesn't mean that it isn't without problems. There are 3 wires attached to the alternator. one wire alternator install problem - help! Wayne Pearce on August 7th 2010, 8:34 am Okay, guys - I finally decided to do something about my lack of electrical power in my car, and I'm already in trouble!. If your alternator is faulty it will not have charged your vehicle during your last journey, and the car will have been running only on battery power. On engines not equipped with a cooler there is simply a seal in place to route the oil back into the engine. If the voltage is about 14. I went to the store and got a cheaper internally regulated alternator, because the external voltage regulator went out (a seemingly common problem). He said this should sort the problem and would tie-in with the issues I've been having. Accessories connected to the vehicles charging system require a steady supply of direct current at a relatively steady voltage level. The list of inoperable devices are unlikely to be from the one fuse but could share a common feed. A simple turn of the key and you can be on your way to Anywhere, USA by pushing a few pedals with your feet and keeping a grip on a steering wheel. The water-pump and thermostat are known to have problems in the BMW 5 Series. It is likely that air has got into the brake system. Another reason is when the diodes go bad, meaning it cannot transmit the voltage needed by the car. The oil pressure gauge will work with a new sending unit, which is on the back of the engine behind the carburetor, but only after you have fixed the regulator in the temp gauge. Short-circuit any two of the three-phase line wires and try spinning the alternator. The alternator on the Liana is known for failing. Figuring it to be the alternator or battery but still ran fine. The bridge rectifier (aka rectifier) is the component that converts the Alternating Current (AC) that an alternator makes to Direct Current (DC) for use by the vehicle. I need some help! I have a new battery and a new alternator, that still shows borderline low on output …. Even a one year old one can fail. Alternator Failure. Common drains are: 1. Though they do not cause any immediate problem, it slowly degrades the car's performance and thus causes some extremely serious consequences. How to Test Your Alternator. The #1 regulator connection must be off with ignition off to prevent battery drain. Solution: A common problem is moisture entering into the bearing of the lower motor through the booster heater intake hose. Common Problems and Fixes – Freelander 2 For further advice on the following issues phone our service department on 01772 299811 or email [email protected] Toyota alternator is made to suit tasks that need optimum performance and speed. Go through this quick primer on solving electrical problems in your automobile, to get an overview of the procedure. Well, he replaced the alternator and the problems returned almost immediately. Join Date: Apr 2009. I went to the store and got a cheaper internally regulated alternator, because the external voltage regulator went out (a seemingly common problem).