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05-13-2004, 07:31 PM
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#1 |
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E.H.F.D Engine #2
Join Date: Feb 2003
Location: East Hampton, NY Long Island
Posts: 916
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HELP! might have blown rear diff!
Hey you guys i think i might have blown my rear. The truck has a 3.08 posi, and it makes a loud clunk and skips when the truck is turning. It is fine in a straight line, but when you turn, the inside rear wheel stops for a second, and makes a jamming sound. please help me figure out if this is a blown rear, or maybe a smaller problem.
Thanks a million folks PS - i may have been doing a burnout when it started happening... but you didnt hear that from me 
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-NICK '72 K10 SWB Fleetside. Avocado Highlander 350-4speed-NP205 Frame Off Re-Creation '89 GMC V3500 C/C Flatbed Plow Truck 454/SM465/Np205 '15 Chevy 2500HD CCSB High Country Duramax '22 Tahoe Premier Duramax |
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05-13-2004, 08:46 PM
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#2 |
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E.H.F.D Engine #2
Join Date: Feb 2003
Location: East Hampton, NY Long Island
Posts: 916
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Ttt Please Help!
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-NICK '72 K10 SWB Fleetside. Avocado Highlander 350-4speed-NP205 Frame Off Re-Creation '89 GMC V3500 C/C Flatbed Plow Truck 454/SM465/Np205 '15 Chevy 2500HD CCSB High Country Duramax '22 Tahoe Premier Duramax |
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05-13-2004, 10:41 PM
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#3 |
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Registered User
Join Date: Feb 2003
Location: The Rubber City
Posts: 5,498
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did you bother to pop the diff cover and take a look? the posi just may have worn out.
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1969 GMC K2500  1996 Honda Accord 2007 Kawasaki KLR 650 |
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05-13-2004, 10:55 PM
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#4 |
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You get what you pay for
 
Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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Sounds to me like you killed the spider gears. Open it up and see what's going on in there.
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Mike 1985 Chevy C-10 |
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05-14-2004, 12:52 AM
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#5 |
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Registered User
Join Date: Oct 2003
Location: Wichita Falls, TX
Posts: 71
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Right after i rebuilt my 12 bolt, it started howling on the highway and doing weird crap when I turned. I thought i had the backlash and stuff set wrong, so i took it to a shop so professionals could tell me what i screwed up. They rebuilt the rear 9 times and could never get it right. They ended up replacing everything. Works great now. Everything means everthing. The only thing that was mine that i got back was all the brake crap. The original rear is now in their dumpster.
All new bearings, seals, gears, eaton posi, and one of the shop's housings with good axles for 1200.
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Joseph 1986 Silverado with some things upgraded. Currently living in Arlington, TX going to school. |
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05-14-2004, 06:21 PM
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#6 |
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Shadetree Mechanic
Join Date: Oct 2002
Location: Youngsville, NC
Posts: 100
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Sounds like a Gov-loc
This is what happens to a Gov-loc when the clutches will no longer slip. Sound like someone beating on the axle with a ball-pen hammer.
Replace the differential, Ring & Pinion may still be OK.
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Dave M. (Hacksaw) 86 C10 Scottsdale LWB, 4.3L, Edelbrock 1904, K&N, 700R4, 3.08 Auburn Performance 89 GMC S-15 Extended Cab 4x4, 4.3L, FI 98 K1500 Xcab, 5.7L, 3.43 Gov-Lok |
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