MY 1992 GMC 1500 SOUNDS LIKE A JET ENGINE TAKING...

1992 GMC Sierra

Tiny

1992 GMC

March, 3, 2011 AT 9:52 PM

My 1992 GMC 1500 sounds like a jet engine taking off. Could that be a worn fan clutch.

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5 Answers

Tiny

JDL

March, 3, 2011 AT 10:02 PM

My hearing is no good. I'm not good with noises. Your rpms are ok? Exhaust is ok?

Tiny

1992 GMC

March, 4, 2011 AT 8:17 PM

The exaust is good but high rpm.

Tiny

JDL

March, 4, 2011 AT 8:41 PM

Any mil codes? Clean the throttle-body, check iac/idle air control. Check for vacuum leaks. If you block the mouth of the throttle-body any effect on the idle?

Tiny

1992 GMC

March, 7, 2011 AT 11:33 PM

It was the fan. And I replaced the valve stem seals and now it smokes worse than it did before, I was told that will go away?

Tiny

JDL

March, 8, 2011 AT 3:06 PM

Glad you got it going your way.

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