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  #1  
Old 11-17-2007, 09:52 AM
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kahjdh kahjdh is offline
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New Truck

I just bought an 01 1500 z71 last week and it is great. The only problem I am having is a clunk when ever I stop and go. I thought it was U joints but there is no whirring and the drive shaft is tight. Any ideas would be great, Tim.
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Old 11-17-2007, 11:18 AM
rjeffery rjeffery is offline
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Re: New Truck

Do a search for "clunk".

It is a common problem, more like irritation, that almost all of these trucks have. GM considers it normal, and it doesn't hurt anything.
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  #3  
Old 11-18-2007, 12:47 PM
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Re: New Truck

Ant common spots b/c it is driving me nuts. Anybody ever have to tighten the leaf spring shackles?
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ASE Master Certified before the age of 20
Current Cars:
2001 Chevy Silverado 1500 Z71 5.3L
1996 Acura Integra LS B18 1.8L
Past Cars:
1990 Buick Estate Wagon 5.0L
1987 Chevy S10 2.5L Tec Four
1995 Pontiac Grand Am 2.3 Quad 4
1996 Jeep Grand Cherokee Limited 5.2L AWD
1991 Ford Tempo L 2.3L
1992 Buick LeSabre 3.8L
1997 Buick Century 3.1L
1996 Lumina APV GT 3.4L
2006 Ford Escape 3.0L XLT
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  #4  
Old 11-18-2007, 09:04 PM
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Re: New Truck

It may be your slip yoke. I replaced mine with a nickel plated Yoke and the clunk went away. you can get it at the dealer.
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2000 Silverado Z71, 5.3L, K&N GenII Air Intake, Y-pipe Exhaust (no muffler), Bosch Platnium +4 plugs, 242k miles and still running.
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Old 11-19-2007, 01:41 AM
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Re: New Truck

I had the dreaded clunk in my 2000 ext. cab 5.3 and it drove me nuts. I put spring helpers on because I was told it would stop the clunk...it didn't. I found a post here about replacing the fluid in the transfer case with the newer fluid from the dealer...Auto Trac II I think it's called and it stopped the clunk instantly.
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Old 11-19-2007, 05:35 PM
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Re: New Truck

Maybe a motor mount?
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  #7  
Old 11-19-2007, 06:18 PM
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Re: New Truck

Its definatly in the back. Anything to worry about b/c I have a 400mi trip on friday.
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ASE Master Certified before the age of 20
Current Cars:
2001 Chevy Silverado 1500 Z71 5.3L
1996 Acura Integra LS B18 1.8L
Past Cars:
1990 Buick Estate Wagon 5.0L
1987 Chevy S10 2.5L Tec Four
1995 Pontiac Grand Am 2.3 Quad 4
1996 Jeep Grand Cherokee Limited 5.2L AWD
1991 Ford Tempo L 2.3L
1992 Buick LeSabre 3.8L
1997 Buick Century 3.1L
1996 Lumina APV GT 3.4L
2006 Ford Escape 3.0L XLT
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