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03-30-2014, 06:51 PM
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#12 |
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Senior Member
 
Join Date: Jul 2000
Location: North Texas
Posts: 4,038
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Re: 1984 gmc truck rear diff issue
What are the symptoms? And have you pulled the cover?
I wouldn't go out and buy that complete kit unless I knew what the problem was. Could be something as simple as an axle bearing. Even if it's a pinion or carrier bearing, the R+P gears might be OK. Regarding the kit, there are two types of Yukon R+P gearsets. The YG-series costs more but is quieter than the ZG-series. On another note, an 8.5" 10-bolt will hold up to a lot more torque than a 5.3 will make, especially with an auto trans.
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Mike 1969 Custom/10 LWB -- owned for 37 years. 350/TH350, 3.08 posi, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. Hedman stainless headers. Old Air installation in progress. 1982 Custom Deluxe 10 SWB -- converted from 250-six to roller cam 350 w/ Vortec heads -- sold 1981 C10 Silverado LWB, 305, TH350C -- sold, but wish I still had it! 1969 C10 (not the current one) which I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 26 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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