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04-09-2003, 09:41 PM
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#1 |
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Registered User
Join Date: Mar 2003
Location: Walker, LA
Posts: 2,925
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Loud clank!!
Whenever I shift into reverse there is a loud clank. Does anyone know what this is caused by? Does anyone else have it? Only when you shift into reverse. A guy I work with has a 79 and it does the same thing, although his is alot louder than mine. It sounds like it comes from the rear end.
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Gary -1986 SWB: lowered 4/6, SOLD!!! -Best 1/4 mile: 14.51 @ 91.01 MPH -2001 Pewter Tahoe, billet grill, Corsa Sport Cat-back, K&N FIPK SOLD!!! -2004 Z-71 Extended cab with a flowmaster, BDS 6.5", 3" BL, 35x12.5x18 Trail Grapplers on Pro-Comp 18x9 wheels |
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04-09-2003, 09:47 PM
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#2 |
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Registered User
Join Date: Jul 2001
Location: Laughlin, Nv. USA
Posts: 700
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sounds like the famous "U-joint notifier" sound...
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04-09-2003, 09:48 PM
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#3 |
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Registered User
Join Date: Mar 2003
Location: Walker, LA
Posts: 2,925
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I just replace the u-joints about 1 year ago.
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Gary -1986 SWB: lowered 4/6, SOLD!!! -Best 1/4 mile: 14.51 @ 91.01 MPH -2001 Pewter Tahoe, billet grill, Corsa Sport Cat-back, K&N FIPK SOLD!!! -2004 Z-71 Extended cab with a flowmaster, BDS 6.5", 3" BL, 35x12.5x18 Trail Grapplers on Pro-Comp 18x9 wheels |
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04-09-2003, 09:49 PM
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#4 |
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Registered User
Join Date: Jul 2001
Location: Laughlin, Nv. USA
Posts: 700
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check to see if loose ?
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04-09-2003, 10:18 PM
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#5 |
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Senior Member
Join Date: Mar 2003
Posts: 2,500
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I don't know if this is you are not but tighten the top bolt on the trans mount at the rear of your trans.
Another common problem is when someone changes out the trans and leaves the washer off this bolt (it is hard to install). 'Causes big problems down the road. I think it breaks the case. |
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04-09-2003, 10:49 PM
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#6 |
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Under construction!
Join Date: Aug 2002
Location: NorCal
Posts: 1,065
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My truck make this same noise when shifting into reverse and drive. From what I've been told, it is normal. I could see the driveshaft turn a bit when someone else put it in reverse---I think that's what the noise is made from.
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2001 Silverado bagged on 22's. *Sold* |
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04-09-2003, 10:59 PM
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#7 | |
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Senior Member
Join Date: Mar 2003
Posts: 2,500
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Low,
My '84 C-10 only does that if that bolt gets loose on the trans. I would check your bolt as I have seen this fix quite a few of our trucks with a clunk going from park or drive to reverse. it is a very easy fix. Quote:
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Bill 
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