- #54 of 105
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Re: 1998 jimmy sle buzzing noise [pinfish]
by repairdog
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Apr 15, 2007 (3:37 am)
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Replying to: pinfish (Apr 14, 2007 7:49 pm)
3 common things are the hazard/flasher relay behind the glove box, the heat shield on the cat converter, and the most common is the PCV on the drivers side valve cover. The PCV may be dirty so replace it or the throttle cable has a broken plastic tie on the rear of the upper intake so it now contacts or rests against the PCV so resesure with a plastic zip tie to the little bracket on the intake (was a push pin type on the cable) - common after any work on the intakes and really annoying. Good time to check the vac lines that T off the PCV area and run over to the drivers side - 5/32" vac hose and always rot out - your hands will be very dirty when you touch them (heat destroys them).
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- #55 of 105
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Re: 1998 jimmy sle buzzing noise [pinfish]
by angieandrohan
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May 05, 2007 (11:54 am)
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Replying to: pinfish (Apr 14, 2007 7:49 pm)
You said the buzzing sound comes from under the truck but you did not mentioned if it was under the hood or under the truck itself, if it's under the truck close to the rear wheel on the driver side that is the fuel pump if it's making an horrible buzzing sound maybe it's time to change it, if it's under the hood, then check all vacuums hose and PCV Valves, also check every relays. 
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- #56 of 105
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Re: 1998 jimmy sle buzzing noise [pinfish]
by gmcbob
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May 12, 2007 (8:37 am)
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Replying to: pinfish (Apr 14, 2007 7:49 pm)
so weird - I've started noticing a buzzing noise coming from my 98 Jimmy as well in the last few weeks. I'm not sure if its the tires I put on a few months back and I've just started noticing it, or if it's the brakes hanging up or what. But very annoying indeed. Sounds like it's associated with the wheels or tires or something, because it only happens when the vehicle is rolling.
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- #57 of 105
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Re: 1998 jimmy sle buzzing noise [gmcbob]
by repairdog
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May 12, 2007 (9:36 am)
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Replying to: gmcbob (May 12, 2007 8:37 am)
Gotta get a better description as no buzzing from the drive train- grating, grinding, clicking etc. Buzzing is all electrical or PCV related.
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- #58 of 105
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Re: 1998 jimmy sle buzzing noise [repairdog]
by gmcbob
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May 12, 2007 (3:55 pm)
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Replying to: repairdog (May 12, 2007 9:36 am)
Turns out the noise was the front wheel hubs. Both of them were completely shot. The parts and labor were $966. But at least its quiet now.
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- #59 of 105
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rattiling clunking noise from front drive train
by mwright3
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Jul 26, 2007 (8:24 pm)
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- #60 of 105
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rattiling clunking noise from front drive train
by mwright3
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Jul 23, 2007 (9:41 am)
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I have a 2001 GMC jimmy. I have changes the shocks, Hubs and back brakes since owning the truck for a bout a year. I was off roading and put the truck in 4x4 and I heard a loud snapping type noise and later a high squealing noise near front tires. Now when I start to accelerate a rattling clunking noise is heard near the front (middle) of truck. It goes away sometimes but can be heard when driving lower speeds durning acceleration. I went under the truck and turned the drive train. It seems to make a low rattling noise at the end closer to the back where the U Joints are not. Any ideas if this is a u joint or a new drive train will be required? My truck also makes a squealing typ noise when the wheels start to spin but I think that is my wheel bearings and nothing to do with the other problem. Please help
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- #61 of 105
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1994 GMC Jimmy "clunks" when turning
by osusieq1
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Jul 26, 2007 (4:05 am)
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Let me start by saying my mechanic is a family friend. Sometimes thats a good thing, sometimes not. In this case, I'm not sure. My antilock brake light came on, and he replaced the front hubs as the wires were worn. Light went off, all was well. However, driving it home, when I did a hard turn (left or right), I hear and feel through the floor a clunking sounding like it was coming from the front right. I went back and he said it was the CV. Replaced that as well. Guess what? Still clunks. He super greased the upper and lower ball joints, clunk clunck. Now he's telling me its the control arm/control arm bushings making the noise. Does this sound right?? Any suggestions would be greatly appreciated. 
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- #62 of 105
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Re: 1994 GMC Jimmy "clunks" when turning [osusieq1]
by mwright3
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Jul 26, 2007 (8:24 pm)
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Replying to: osusieq1 (Jul 26, 2007 4:05 am)
I am not sure with the 94 jimmy but with my 2001 you cant grease the ball joints. Mine are a sealed unit that are suppose to last for a long time. So if yours are the same I dont think your friend trying to grease them will help. I am told that It has to be changed. Also when we changed our hubs it wasn't a clunking noise but a howling noise. I went under our truck and turned the front drive train by hand and I heard the clunking noise9 not as loud but it was there. Someone said check the u joints that they can make the clunking noise. But when I turn the drive train the noise comes from the opposite and. Any thought I would tell you incase it helps you. My mechanic to is a family friend
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- #63 of 105
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98 Jimmy rattles when accelerating
by ldtd
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Aug 10, 2007 (7:35 pm)
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