Duramax Diesels Forum Truck of the Week
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Old 01-31-2009, 12:29 PM
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Default Two Piece DS center support bushing

I've gotten my driveshafts, starter and transfer case out of my truck (Only thing left is the transmission), and I've found my center support bushing is shot (big surprise there ). What's the procedure for replacing it? Doesn't look like it'll be easy...
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Old 01-31-2009, 01:06 PM
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Originally Posted by Cougar281 View Post
I've gotten my driveshafts, starter and transfer case out of my truck (Only thing left is the transmission), and I've found my center support bushing is shot (big surprise there ). What's the procedure for replacing it? Doesn't look like it'll be easy...
Yake it to a drive shaft place. New unit from GM is close to 200.00 and has to be pressed on and off.
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Old 01-31-2009, 01:07 PM
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you will need a press or the special puller to get it off.

just seperate the 2, then set it up on the puller or press...

It's real basic, just need the right tools.

I have a center support bearing (genuine Gm) if you need one.
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Old 01-31-2009, 01:30 PM
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Originally Posted by Mike L. View Post
Yake it to a drive shaft place. New unit from GM is close to 200.00 and has to be pressed on and off.
Holy Crap! Almost $200 for a piece of rubber that'll wear out in less than 150k? Are there any better alternatives, or is an OE replacement my best bet?
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'04.5 2500HD Silverado LT CC/LB, LBZ D/A Dark Grey
Metallic, 05+ HD Hood & Grille, 168k and counting
Mike L Trans built by ME.
EFILive, PPE Race Valve, KD Twin Lift Pumps & Billet Fuel Pickup, MBRP 4" "Cat-Back" T409 straight piped.

300.59' 3rd place first pull

Best 1/4 times:
Truck: 14.067 @ 96.29, weighing in at over 7200#
446.4RWHP/820.2RWTq
Car (95 Cougar 4.6L V8): 14.680 @ 94.00

"The FIRST weapon is the mind, all others are incidental."
"I'd rather be judged by twelve than carried by six."

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Old 01-31-2009, 01:31 PM
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Mike----

Depending on mileage, would it be wise to replace u-joints and re-balance?
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  #6  
Old 01-31-2009, 03:31 PM
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Originally Posted by The Neens View Post
Mike----

Depending on mileage, would it be wise to replace u-joints and re-balance?
Balance may not be a bad idea, but FWIW, the driveshaft was tight from end to end near as I could tell.
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'04.5 2500HD Silverado LT CC/LB, LBZ D/A Dark Grey
Metallic, 05+ HD Hood & Grille, 168k and counting
Mike L Trans built by ME.
EFILive, PPE Race Valve, KD Twin Lift Pumps & Billet Fuel Pickup, MBRP 4" "Cat-Back" T409 straight piped.

300.59' 3rd place first pull

Best 1/4 times:
Truck: 14.067 @ 96.29, weighing in at over 7200#
446.4RWHP/820.2RWTq
Car (95 Cougar 4.6L V8): 14.680 @ 94.00

"The FIRST weapon is the mind, all others are incidental."
"I'd rather be judged by twelve than carried by six."

K2SLD
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  #7  
Old 01-31-2009, 03:51 PM
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I had all that done about a year ago on my Dad's dually when the center support got funky...U-joints and balance were kinda a "just do it because it's out" type of situation...Might have lasted forever, but we do tend to abuse parts
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Old 01-31-2009, 04:10 PM
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but we do tend to abuse parts
NO!!! On our good lookin trucks?! Who would do such a thing?

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Old 01-31-2009, 05:19 PM
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Quote:
Originally Posted by The Neens View Post
Mike----

Depending on mileage, would it be wise to replace u-joints and re-balance?
Rebalance is not necessary. I suggested a driveshaft rebuilder because there might be more inexpensive options.
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  #10  
Old 02-02-2009, 09:36 AM
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I know this is probably not an approved method, but I have a friend with a 1 ton, 4x4 Dodge dually with a 5.9 in it. After his bushing went out for the 2nd time, he simply filled up the air space around the rubber with RTV. The black stuff I think. That has held for over 50K miles. And yes, he beats on it regularly and tows heavily (typiclaly at least 15K 5th wheel back there).

I agree with the while it's out philosophy, but if your looking for a slightly cheaper route, might give it a try.
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Old 02-12-2009, 11:24 PM
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http://www.dieselplace.com/forum/sho...d.php?t=292074
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Old 02-13-2009, 02:56 PM
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I so would have taken this...got another????
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Old 02-13-2009, 08:07 PM
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What would be the down side of going with a longer single?
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Old 02-13-2009, 08:41 PM
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Quote:
Originally Posted by WanaDmaxsub View Post
What would be the down side of going with a longer single?
More unsupported rotating mass and more stress on the transfer case output shaft would be my guess... a single piece on a CCLB would be one LOOOOOOONG driveshaft.... Imagine how long that DS would be on a CCLB 2x4 ....
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'04.5 2500HD Silverado LT CC/LB, LBZ D/A Dark Grey
Metallic, 05+ HD Hood & Grille, 168k and counting
Mike L Trans built by ME.
EFILive, PPE Race Valve, KD Twin Lift Pumps & Billet Fuel Pickup, MBRP 4" "Cat-Back" T409 straight piped.

300.59' 3rd place first pull

Best 1/4 times:
Truck: 14.067 @ 96.29, weighing in at over 7200#
446.4RWHP/820.2RWTq
Car (95 Cougar 4.6L V8): 14.680 @ 94.00

"The FIRST weapon is the mind, all others are incidental."
"I'd rather be judged by twelve than carried by six."

K2SLD

Last edited by Cougar281; 02-13-2009 at 08:42 PM.
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  #15  
Old 02-15-2009, 01:11 PM
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how about ccsb? My '01 is a 2 piece, but my buddies '06 is a single. as long as no lift, wouldnt that be the way to go?
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