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SUVs GMC Jimmy GMC Jimmy Squeaks, Rattles and Noises
105 messages, Last post on Oct 17, 2008 at 4:50 PM
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My 98 4WD Jimmy which just turned 200k is developing a rattle only when I accelerate. It doesnt rattle every time I press on the gas - and sometimes when it does rattle releasing the pedal and pressing on it a couple times makes the rattle disappear. The rattle sounds like it's coming from under the middle of the vehichle (but I can't be certain). It doesnt rattle when I go over bumps, but when I reverse I get a rear end clunk (typically only once during the reverse). Not certain these things are related. During last oil change a mechanic told me my rear differential was starting to go - but I could probably continue driving on it for now. Are these noises related to that or seperate? Thanks!
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The rattle noise could be your catalytic converter. Have someone press the gas while in park and look under vehicle and see where the noise is coming from. If the rattle is coming from inside the cat, then have it replaced. The clunk noise is probably a u-joint going bad. |
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Replying to: ldtd (Jun 15, 2007 2:31 am) If rpm related look at the PCV. If exhaust could be the cat heat shield or inside it, an O2 sensor shield, or muffler - got to get under and listen or take to a shop and they will tap along the exhaust. Also could be internal engine or other. Got to narrow location etc down. |
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Replying to: ldtd (Jun 15, 2007 2:31 am)
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Replying to: mwright3 (Jul 23, 2007 9:57 am) |
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Wondering if anyone might be able to point me in the right direction here. I have a 2000 Jimmy and it seems that every-once-in-a-while the front end begins to squeak terribly. I thought it might have been because the Jimmy tends to have problems with the manufacturers ball joints, but they have all been replaced and it is still squeaking???? It might just be my imagination, but I think it is happenning when the temperature gets around 76-85 degrees. Sound description: Sounds like a wagon squeak. I can push down on the front end and it squeaks. It's more like a very loud "CREEEEEEEEEK". ??? Hope that helps. Anyway, I'm not to automotive savvy so any help would be greatly appreciated. Thanks in advance, whiteink.
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Replying to: whiteink (Aug 10, 2006 7:14 am)
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Replying to: blaze4x4 (Aug 11, 2006 1:42 am) |
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Replying to: lskarvan (Aug 12, 2006 2:47 am) jhighland, "Chevy Blazer/GMC Jimmy: Problems & Solutions" #2581, 31 Jul 2006 12:23 pm |
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