Center Support Bearing blown out - Chevy and GMC Duramax Diesel Forum
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Old 04-11-2012, 07:08 AM   eBay Motors  #1 (permalink)
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Center Support Bearing blown out

Have an 05 Silverado long bed and my center support bearing for my drive line just went out for the second time within a year. Replaced the last one in May of 2011. Ive taken it to two different mechanics and they cant find nothing wrong with my truck. Im thinking there has to be something wrong because these bearing are supposed to last for years. Any ideas???
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2005 LLY CHEVY SILVERADO 2500 4X4
6" INCH FABTECH LIFT
AEM AIR INTAKE
4" INCH TURBO BACK EXHAUST
PPE STANDARD/ FUEL VALVE SHIMMED
AMP RESEARCH POWER STEPS
MAGHYTEC DIFF COVER
20" INCH MAZZI WHEELS
TOYO OPEN COUNTRY TIRES
EGR AND RESONATOR BLOCKED
AUTOMETER PYRO AND BOOST GAUGES
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Old 04-11-2012, 07:11 AM   eBay Motors  #2 (permalink)
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maybe one of the shafts is out of balance. Did any place that you took it to spin them?
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Old 04-11-2012, 07:25 AM   eBay Motors  #3 (permalink)
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Moved to Drivetrain-0- not a 911 problem.
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Old 04-11-2012, 08:57 AM   eBay Motors  #4 (permalink)
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Have the driveshaft balanced at a good driveshaft shop.
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Old 04-11-2012, 09:29 AM   eBay Motors  #5 (permalink)
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Can you post a picture of what it looks like? The parts stores are REAL good at selling people the wrong bearings for these trucks. Sound like what you might be experiencing. The correct bearing can be had from a Dana-Spicer distributor for a fraction of what the dealer sells them for. So dont run right out to the dealer. Lets see some pictures if you can.
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Old 04-11-2012, 11:13 AM   eBay Motors  #6 (permalink)
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I dont have any pics of it but pretty much all the rubber that surrounds the bearing was worn out and melted. I already replaced the bearing with the GM one. I was also thinking my drive line might be out of balance.
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2005 LLY CHEVY SILVERADO 2500 4X4
6" INCH FABTECH LIFT
AEM AIR INTAKE
4" INCH TURBO BACK EXHAUST
PPE STANDARD/ FUEL VALVE SHIMMED
AMP RESEARCH POWER STEPS
MAGHYTEC DIFF COVER
20" INCH MAZZI WHEELS
TOYO OPEN COUNTRY TIRES
EGR AND RESONATOR BLOCKED
AUTOMETER PYRO AND BOOST GAUGES
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Old 04-11-2012, 12:36 PM   eBay Motors  #7 (permalink)
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Quote:
Originally Posted by luke0490 View Post
I dont have any pics of it but pretty much all the rubber that surrounds the bearing was worn out and melted. I already replaced the bearing with the GM one. I was also thinking my drive line might be out of balance.

The driveline being out of balance wouldn't chew the rubber up like that, my money is on it being the wrong bearing.

Did the new GM bearing come with the little can to re clamp the boot on?
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01 GMC 2500hd ecsb Dmax/Alli. 4" exhaust to 5" single stack,EDGE Insight CTS, EFI Live Moonshine tuned, Suncoast stage IV, Complete Kryptonite front end with PISK , 305/55/R20 Cooper Zeon's on Rockstars. Eaton E-locker. So cal stage I heads, and a little bit of laughing gas.

07 LMM LTZ CCSB. S475 over stock compounds, 40% over dipper sticks, Suncoast tranny by Freedom Diesel, Air Dog, ATP tuned.
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Old 04-11-2012, 12:46 PM   eBay Motors  #8 (permalink)
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The new bearing came in two pieces. The main bearing assembly and a metal round piece. Im assuming this is what your talking about.
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2005 LLY CHEVY SILVERADO 2500 4X4
6" INCH FABTECH LIFT
AEM AIR INTAKE
4" INCH TURBO BACK EXHAUST
PPE STANDARD/ FUEL VALVE SHIMMED
AMP RESEARCH POWER STEPS
MAGHYTEC DIFF COVER
20" INCH MAZZI WHEELS
TOYO OPEN COUNTRY TIRES
EGR AND RESONATOR BLOCKED
AUTOMETER PYRO AND BOOST GAUGES
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Old 04-11-2012, 12:49 PM   eBay Motors  #9 (permalink)
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Is the bearing failing, or is the rubber failing-??
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Old 04-11-2012, 02:13 PM   eBay Motors  #10 (permalink)
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i had some problems with my rubber getting chewed out also. i ended up getting a different carrier bearing. Also had the driveshaft balanced and had to change the u-joints
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