Question about 1996 BMW 318

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I have a BMW 318 1995 and it makes a screeching noise when first started. Ive had the drive belt changed and the noise went away for a time but its back when its cool

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You might need to replace the tensioner. I would replace the tensioner and the pulley and the same time . when you get the belt off you may find some play in the pulley. You could try bavauto.com, about $70 .

Posted on Oct 04, 2009

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Check your pulleys and make sure they spin alot of times the smooth pulley the guide needs replaced they get locked up with dirt and cause belt to stretch

Posted on Oct 03, 2009

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1 Answer

My car makes loud screeching noise when starting.


could be your serpentine belt. usually when they get worn they will start to either slip or cause a very high pitched screeching noise. to verify that is the cause get some water or brake clean in a spray bottle and spray it on to the belt while the vehicle is running. if the noise goes away for a moment you found your cause. if not then its something else. Hope this helps

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Bmw 318i 1996 screeching belt


It might not need to replace the belt but to adjust (tighten) them. Check for a loose one and adjust it. Does the noise changes or stops if the AC is on or off? Or if you turn your steering all the way to either side?

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BMW 318i 1996 Screeching noise when car is on then slowly goes away after about 20-30 mins of driving.. Please help?


Check the belts first for cracks especially the back of the belt where it rides on the pulley.It sounds to me like one has worn out and may be just spinning causing the noise.Now another problem that will cause that noiose is the tensioner pulley.Check that as well.

Mar 28, 2014 | BMW 318 Cars & Trucks

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Engine screeches when running. revving the motor makes it stop momentarily


Could be a belt screeching. Fan belt, A/C belt, Serpentine Belt, alternator belt, etc. Easiest way to isolate which belt is to open the hood and use your ears to see where the screeching is coming from. Left, right, front, behind the engine? Spray some WD-40 on the belt you think is making noise and if it quiets right away, then that is the belt making the noise. Either the tensioner needs adjusting or the belt needs replacing. The WD-40 does not hurt the car, it'll start screeching again in a few days when it wears off.

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1 Answer

Screeching sound remains


Your AC pump is starting to faiL. It's starting to bind and putting heavy back pressure on the belt causing it slip and screech. After the car cools off inside, the load on the AC compressor is lower and the sound will die down. Also when the belt gets hot it gets a little more flexible and grippy which also lowers sound.

Take it to an auto AC repair place and have it checked.

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My 2006 X-Terra just started to make a mild screeching noise once I begin to drive it right after the initial start-up. The noise does not appear again until I let it sit for a bit (like overnight or...


It sounds like a belt may be beginning to slip. Open the hood, take a flashlight and check all of your belts for glazing on the inside of the belt. Also check for fraying on the outside of the belt. Try to remember when you last changed your belt.

Also, after your car sat awhile, open the hood and have someone else start it while you look under the hood for a slipping belt. It helps if you have marked the belt with a red permanent market so you can see the movement of your belt.

In time, if you do nothing the screeching will get worse and start to happen more often to all the time. It may take a while before your belt finally breaks.

If it is a water pump belt, it will affect your cooling system and if it is an ac belt it will affect your ac system.

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4 Answers

Loud screeching noise upon starting


It is your serpentine belt slipping on one of the metal pulleys and the friction is causing the high pitch screech. The belt may need to be tightened or replaced, which is an easy fix.

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1 Answer

1993 nissan altima what could be causing a screeching


It probably is a belt. You should look under the hood and check for a loose belt. Tighten as necessary. You should not be able to deflect the belt more than 1/2" in the center of the span of the belt.

Brakes will also make a screeching noise when they are worn out. This noise will also go away when you stop (of course). The sound is quite different than the belt sound.

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1 Answer

My 98 eclipse is making a screeching noise in the engine


The water pump is driven by the timing belt. If it has been over 100K, it is time for both to be replaced. If it is the drive belts, be sure to use factory belts, and use the proper tension.

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