Rear Diff questions? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

phlegm · 06-17-2005, 07:04 PM

I have a couple of questions.

There is still a red tag (which worries me because I dont know many mechanics that put those back on after working) on what I think is the fill valve on the top psg.side of the diff. it tells me to use posi fluid. Is this the right place?

The bolt is round with a square interior, I am guessing I can get a ratchet on it?

I noticed I have a hose coming out of the top of the diff that goes along the frame over to the side of the truck and dead ends. Its open on the end. what is this for?

I do not have a owners manual and could not find the proper weight of gear oil in my haynes manual. What should I use?

06-17-2005, 07:04 PM	#1
phlegm Still Green but learning Join Date: Nov 2004 Location: Central NC Posts: 1,895	Rear Diff questions? I have a couple of questions. There is still a red tag (which worries me because I dont know many mechanics that put those back on after working) on what I think is the fill valve on the top psg.side of the diff. it tells me to use posi fluid. Is this the right place? The bolt is round with a square interior, I am guessing I can get a ratchet on it? I noticed I have a hose coming out of the top of the diff that goes along the frame over to the side of the truck and dead ends. Its open on the end. what is this for? I do not have a owners manual and could not find the proper weight of gear oil in my haynes manual. What should I use? __________________ -- Cory 71 Cheyenne 10 - SWB, 350, "3 on the tree" AC cab 07 Suburban LTZ 4x4 2010 Acura TL 98 Mastercraft "FrankenStar" 225 27253 UPS/USPS IIOY....nope never was



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