1992 GMC

1992 GMC SIERRA
170,000 MILES • 6 CYL • 2WD • AUTOMATIC
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1992 GMC
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  • 3 POSTS
My 1992 GMC 1500 sounds like a jet engine taking off. Could that be a worn fan clutch.
Mar 3, 2011 at 9:52 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JDL
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 16,098 POSTS
My hearing is no good. I'm not good with noises. Your rpms are ok? Exhaust is ok?
Mar 3, 2011 at 10:02 PM
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1992 GMC
  • MEMBER
  • 3 POSTS
The exaust is good but high rpm.
Mar 4, 2011 at 8:17 PM
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JDL
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 16,098 POSTS
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?
Mar 4, 2011 at 8:41 PM
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1992 GMC
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  • 3 POSTS
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?
Mar 7, 2011 at 11:33 PM
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JDL
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 16,098 POSTS
Glad you got it going your way.
Mar 8, 2011 at 3:06 PM