Having problems with your 1993 Jeep Grand Cherokee ?

My 1992 Jeep Grand Cherokee makes a high pitched wining noise when I first start it in the morning. It seems worse when the temperature is cooler.It's a 6 cylinder with about 190,000 miles on it.It's had a new water pump two years ago and the upper idler pully was changed last year. [email protected]

Posted / edited by AnonymousUser on : 05-04-2021

Answers :

If the noise changes when you ...\015\012
\015\012rev the engine, check the belt. check tension or try some belt dressing.\015\012
\015\012move the steering wheel, check the power steering pump.
It sounds like a loose serpentine belt. Check the belt for cracking or frayed edges. It may need to be replaced or simply tightened. \015\012
\015\012If the sound is minimal or gone when the engine is idling, and you hear it whine when you step on the gas, then the belt is probably your issue.
Repair Help & Product Troubleshooting for 1993 Jeep Grand Cherokee

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