duramaxdavid
08-27-2006, 10:50 PM
Does it hurt to put a regular/synthetic mix in the rearend?
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Scott2500hd 08-28-2006, 02:18 PM Why run a blend, I dont understand? Document ID# 793720 2005 GMC Truck GMC K Sierra - 4WD Sealers, Adhesives, and Lubricants Application Type of Material GM Part Number Rear Drive Axle, All Except 9.75" Axle Lubricant SAE 75W-90 Synthetic Axle Lubricant 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115 Rear Drive Axle, 9.75" Steerable Axle Lubricant Synthetic Axle Lubricant, use ONLY 12378557 (Canadian P/N 88901362) Pinion Gear Bearing Retainer Sealant 1052942 (Canadian P/N 10953466) or equivalent Pinion Yoke Splines Sealant 12346004 (Canadian P/N 10953480) or equivalent duramaxdavid 08-28-2006, 02:56 PM I was wondering because one of the mechanics at work added a few quarts of 80-90 to our 75-90 bucket. He didnt know there was a difference(i dont know why look *** he color). The bossman is going to through it out and I was wondering if its safe to run my my rear end. DEWFPO 08-28-2006, 03:30 PM Yes, it's safe. They can be mixed. Hopefully they are the same brand. DEWFPO duramaxdavid 08-29-2006, 01:23 AM Yes, it's safe. They can be mixed. Hopefully they are the same brand. DEWFPO Thanks, thats what i thought. and yes they both are shell | ||