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I just hit 15,000 miles on the SS and want to change the tranny fluid/filter and diff fluid. Any suggestions as to what fluid to use (name brand) or is the GM stuff good? All responses are appreciated.
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The former owner of: 2000 Onyx Black SS #2,778 A4, T-Tops, ASR, 12 Disc CD Changer, grey cloth, no SLP options Mods: Loudmouth exhaust, SLP Strut Tower Brace, SLP Bolt-on Sub-frame Connectors, SLP air lid w/Powershot filter, SLP smooth bellows, 35th LE wheels, SS floormats, tinted windows, and painted calipers
Posts: 322 | From: Fort Polk, LA | Registered: Feb 2002
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For the trans,Get the filter and gasket from the dealer instead of one of those Fram filters that come with a folded cheap cork gasket. The GM gaskets are far superior and most times reusable. I would use a good Dexron III fluid like Valvoline or Mobil 1. For the differential,get the gasket from the dealer and refill with Mobil 1 synthetic gear lube. I am not sure how good any synthetic trans fluid is or if it is recommended.
Posts: 5682 | From: Dearborn,Mi. | Registered: Feb 2002
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I am about to change my tranny and rear end fluid with Royal Purple. Can't tell you how it is yet but I have heard good things.
Posts: 5946 | From: Litchfield, NH, USA | Registered: Feb 2000
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The Torsen, as mentioned above, requires synthetic oil and I always put the GM additive in with it too. I have used some different brands, right now actually I have 2 quarts of Mobil 1 sitting at home in the garage. Now I just have to get the additive.
As for the tranny, people use such a variety of products here, Redline and Mobil are usually the most popular and I hear a lot of Royal Purple now too. Basically it is like everything else, it isn't necessarily what you use, its just the fact that you do regular maintenance.
PS - there's a discussion about this at LS1.com See this thread
[ 23 April 2002: Message edited by: mhayman ]
-------------------- Mark H.
Whoever said you couldn't run away from your problems obviously wasn't driving an SS. Posts: 942 | From: Santa Barbara and Ventura, CA | Registered: Feb 2000
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