E60 alternator noise. Diagnosing and resolving belt tensioner problems 2019-04-04

e60 alternator noise

Noises from Belts & Pulleys

e60 alternator noise

Go ahead and replace the compressor. They promised to investigate and solve the noise problem. A tensioner maintains the correct amount of tension on the belt at all times throughout its duty cycle. Does it mean that alternator is ok? Check out this great article on Chilton vs Haynes car repair manuals:. Last Friday I have replaced turbocharger as old one was very loud. In order to maintain the battery in a state of charge, a belt-driven electrical generator, generally referred to as an alternator, is bolted to the engine block. But, that's a different story.

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Electrical noise/alternator whine radio

e60 alternator noise

It took me a while to figure out , plus the help from this forum. The high points of the grooves should not be worn down and be of equal height. I'll find out later this week if the solution worked. Those can be found anywhere on-line but you'll also need some tips on how to do it faster, in order to finish faster time is money after all. Your car probably has a serpentine belt which is a continuous belt used to drive multiple peripheral devices.

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BMW has eliminated water cooled alternator for N62

e60 alternator noise

Well, here's the short version: I took the car in because I was hearing a noise from one of the pulleys, and assumed it was the tensioner but told them I wasn't certain that was the source of the noise. I have personally known many car mechanics who would diagnose what is wrong with a car, just by listening to it! Recently I have replaced main thermostat about 10 days ago. Vehicle models change and evolve as they grow older, so the vehicle shown in our illustrations may vary slightly from yours. But, that's a different story. Use the following procedure, however, do not use the constant current generator for the final adjustment of the idle valve. Always check the voltage of your charging system under load.

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E60 starting noise at alternator!

e60 alternator noise

So my questions are: is battery need to be replaced? The aluminum pulley will wear around the bolts leading to a wobble in the pulley which leads to the noise. That sound never occured in this car over the four years we'd owned it. Earthing, chokes, capacitor smoothing, cable re-routing. I could spot easily that engine was a bit lauder that before this long run and I could hear some kind of noise coming from air blowers inside the car. After I opened bonnet I could hear bearing noise coming from inlet manifold area. This morning had a problem again low battery level and hard brake pedal, boot glass opened.

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BMW alternator faults and problems

e60 alternator noise

With the alternator removed, tilt it so the pulley faces down. Working at the back of the alternator, disconnect the electrical connector by pressing the release tab green arrow and pulling it straight off. Make sure your belts are not worn out. To avoid any mishap, change your brake pad as soon as possible. They can figure out what part or repair kit you need. If the noise still persists, then the problem lies somewhere in the drivetrain or transmission. An engine pulley is mounted to the engine of an automobile and drives all belts.

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Diagnosing and resolving belt tensioner problems

e60 alternator noise

I have attached a pic for visual. Well, in theory, if you're the manufacturer no one is field-replacing the bearings inside of alternators they are simply buying new alternators. Mine always replicates at light to partial throttle in the 1k - 2k rpm zone. I have finally given up. If something seems different, let us know and share your info to help other users. Go ahead and replace the compressor. The new president of the car club asked the new gen manager of the dealer to find him an E60 6 spd sport pkg and he did in less than 2 weeks.

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Noises from Belts & Pulleys

e60 alternator noise

Now, for long term ownership, the easier-to-rebuild air cooled units are superior. Another sign of a charging system problem is that the headlights or radio dim when lowering your window. My F30 also had false alarm issue but was finally resolved after bringing it up every time during maintenance and recall visits, like 10 or 15? Be sure to work with a cool engine and disconnect the battery before beginning. Never disconnect a battery cable while the engine is running to test the alternator. Recycle parts, packaging and fluids when possible. But now I've grown to really hate this car as a result of this unsolvable noise.

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6: Broken or Loose Connections

e60 alternator noise

If there is a short lag time, you might need to get your brake checked. Im trying the trace the issue back to source so i can fix it then complete my install but have noticed something. Being worn out makes it squeal a lot and may result in damage to your car. They promised to investigate and solve the noise problem. The screech can be caused by a worn out belt or by the pulley attached to an engine accessory that is starting to freeze up. The next three symptoms are less obvious than a signal from a warning light; however, these signs of alternator trouble can tip off a driver that there's something going on that is out of the ordinary. It's sporadic, lasts for anywhere from 1-10 seconds at a time, and only when the car is in motion.

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