- #1011 of 1492
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Re: Is there any help out there!!?? [mekchalngd]
by dantana
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May 06, 2005 (4:56 am)
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Replying to: mekchalngd (Apr 27, 2005 9:50 am)
I own a 2000 GMC Sierra 2500 ext. Cab. I have had the same problem with drivetrain vibration. Have been trying to diagnos for past year. Changed all U-Joints but did not fix problem. My mechanic sent out to a Transmission Repair Facility, and they found that the converter on my trany was pulling apart which was causing the vibration exactly as you described.
They recommend rebuilding the trany and replacing the converter at a cost to me of $2500 with 3 year 36k mile warranty.
Good luck
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- #1012 of 1492
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Re: 2004 Sierra Z71 clunking noise from rear [gmcbob]
by joejo
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May 06, 2005 (3:45 pm)
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Replying to: gmcbob (Jun 20, 2004 10:26 pm)
i"m having the same problem but getting worst. it sometimes bang into gears
in stop and go traffic. i hear the rear diff bang like thirs to much play in it. the trans
seams to also slip a little. the dealer trys telling me thats normal. Ya O.K not
for a 35K truck. i only have 5k miles on it and they told me i would have to live with it until it brakes down so they find the problem.
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- #1013 of 1492
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Re: 2004 Sierra Z71 clunking noise from rear [gmcbob]
by nspidell
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May 08, 2005 (8:49 am)
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Replying to: gmcbob (Jul 02, 2004 10:18 am)
97 GMC 4X4 ext cab
between speeds of 50-68 MPH especially going uphill or pulling any kind of a load, this rig has a severe clunking noise that sounds like the old U-Joint sound.
Engine runs good, both front and rear differentials have been checked, and I put a new tranmission in it two days ago.
The vehicle throws no codes of any kind.
Most of this clunking started right after I had to replace the head gaskets.
Three different GM dealers have checked the clunking and all of them have ridden with me.
Wonder what's left?
Norm in Idaho
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- #1014 of 1492
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Re: Is there any help out there!!?? [dantana]
by nspidell
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May 08, 2005 (8:59 am)
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Replying to: dantana (May 06, 2005 4:56 am)
Just read your email about the vibration in the drivetrain. This 97 GMC has the same thing only when I let off on the gas between 52-68 MPH the whole truck vibrates...when I am pulling a load or going up hill it is much worse.
Tranny is three days old and did not cure anything. All differentials have been gone through...engine throws no codes.
Can't drive it comfortably and can't sell or trade it the way it is.
Norm
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- #1015 of 1492
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Re: Sheel Metal Noise... ROOF? [fishersc]
by weels
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May 09, 2005 (6:19 pm)
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Replying to: fishersc (Dec 17, 2004 12:25 pm)
My truck does this when I go through the new brushless car washes. The only idea I can think up is to take the headliner out, and see if there is any access to the area between the panels (at least part of the roof is double) and squirt some builders foam (like Great Stuff) into the void to try to stiffen it up. If you have clearance lights you could pop them off and get to it there. I'm going to try it this summer.
-Tim
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- #1016 of 1492
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Re: Sheel Metal Noise... ROOF? [weels]
by baredogg
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May 10, 2005 (5:38 am)
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Replying to: weels (May 09, 2005 6:19 pm)
builders foam will hold moisture ie. condisation and will cause rust thru a better choice would be a flexable sealer (non alkaline) to somewhat attach and isolate the panels there should be a factory applied heat reactive sealer there now but it could be a missed robot path aplication. Hope this helps
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- #1017 of 1492
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Re: Is there any help out there!!?? [nspidell]
by mekchalngd
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May 10, 2005 (8:40 am)
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Replying to: nspidell (May 08, 2005 8:59 am)
Have you checked the U-Joints? Apparently what you are experiencing may be caused by slack in the U-Joints, and the vibration gets worse while under a load. The factory installed joints are sealed and cannot be lubricated, the aftermarket ones can. Replacing these may rectify the problem for you.
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- #1018 of 1492
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Re: Sheel Metal Noise... ROOF? [baredogg]
by weels
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May 10, 2005 (6:40 pm)
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Replying to: baredogg (May 10, 2005 5:38 am)
Good point about the moisture.
Thanks
- Tim
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- #1019 of 1492
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Re: Fuel indicaton problem [nick14]
by treybone
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May 12, 2005 (9:00 am)
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Replying to: nick14 (Mar 26, 2005 10:19 am)
I have somewhat of the same problem. My fuel guage is all over the place reguarless of the amount of fuel i have. when i fill up it is ok till it gets low in fuel and then it is anyones guess on how much is left. It will go to full which i know it is not back down to 1/4 the to a half?? Any suggestions?
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- #1020 of 1492
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Re: 1994 GMC Sierra 1500 Failing Emissions...Low Idle Cyclical Stalling/Surging [jstrong]
by wolfdog
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May 12, 2005 (12:33 pm)
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Replying to: jstrong (Apr 15, 2005 6:44 am)
i am also having this problem and was wondering if you had any hits?
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