Question about 1997 Toyota Corolla

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I just changed the alternator belt and there is super loud screeching

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It could be your water pump going where there is one problem theres always another, could be timing belt or chain also.

Posted on Nov 15, 2010


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Cluth is making a loud screeching noise when changing gear and when starting the car up.

Is it squeeling or a sound like metal to metal as if it squeels, then perhaps your alternator is getting bad or your serp belt, if its the other than perhaps your clutch maybe going start with the clutch flywheel hope that helps

Apr 27, 2016 | Cars & Trucks

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Carstarts 1 vsecond then stops with loud screetching noise only rund a second then screech any idea what wrong?

either the water pump or alternator is seized up and belt is screeching . see if you can turn pulleys by hand

Sep 08, 2015 | Cars & Trucks

1 Answer

Battery screetching when both cable connected

The loud screeching sound is from the serpentine belt slipping over the pulleys a little. You probably got some radiator coolant on the belt or pulleys when replacing the radiator. When you connect both battery cables the alternator is trying to charge which puts a load or drag on the alternator which causes the belt to slip over the pulley enough to cause the screeching. The only way to correct this is to take the belt back off and wash it with warm soapy water to remove the coolant contamination from the belt. Then scrub the pulleys also as coolant was transferred from one pulley to another by the serpentine belt. Then replace the belt and put a little comet cleanser onto the belt to extract a little more of the contamination from the belt and pulleys before you start it up. And last but not least make sure the belt has the correct tension so as to prevent it from slipping. If you wait to long the belt will always be contaminated and forever screech. Do not buy any belt dressing for the belt. That stuff is junk and makes the rubber in the belt soft and leads to a premature belt failure.

Apr 25, 2012 | 1997 Jeep Grand Cherokee

1 Answer


tighten/adjust the belts and if overly worn CHANGE THEM. Only other problem I could suggest is a bearing in alternator or water pump is getting ready to calve.

May 05, 2011 | Jaguar XJ6 Cars & Trucks

2 Answers

2002 mitsubishi lancer won't start Ok so my car started making a loud screeching noise when it would start up, and then a few days later I drained my battery on accident listening to music in the...

When a car battery gets low, the windows won't necessarily move extremely slow - you may still have functionality, but not enough power to start the vehicle. Charge up the battery or replace it if it is more than 4-5 yrs old. As for the screeching sound, its possible a loose alternator belt could cause that - if the belt is too loose the alternator might not be charging the battery properly. Another possibility is the alternator is binding and that can cause the screeching too. Remove the drive belt and try to rotate the alternator by hand - if there is excessive resistance you might be looking at a new alternator too. Most automotive parts stores will test your battery and charging system for free if you ask them.

Mar 15, 2011 | 2002 Mitsubishi Lancer

1 Answer

There are 3 belts on the truck (1994 V6, 4wd). The belt that goes around the alternator was not spinning and there was a loud screeching noise. I cut the alternator belt to see what the truck would do with...

The pulleys may be out of alignment due to a bent or misinstalled alternator bracket. the alternator itself may be pulling so much current that the belt is slipping on its pulley. (might be why the other alternator failed. Check the battery voltage with everything turned off and see if you have a parasitic battery drain.) The bearing for the idler pulley (if equipped) could be failing.

Feb 09, 2011 | Toyota Pickup Cars & Trucks

2 Answers

While driving car mad a loud screeching sound,

it sounds like your a/c clutch,alternator or one of the components is ceazing.If you have the sepentine belt on it.check your serpentine belt first.

Jan 28, 2010 | 1994 Ford Taurus

1 Answer

I have a 1990 jeep YJ replaced the alternator and now there is a loud screeching noise replaced the belt,replaced new bearing in idler pulley still makes a loud screeching noise?

If the belt is not tense enough it will squeal, so make sure it's tight enough. Otherwise you can use a stethoscope or long screwdriver up to your ear to isolate the source of the noise.

Sep 16, 2009 | 1990 Jeep Wrangler

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