[Z06] Please Help ! Changing Diff. Fluid
04-21-2010, 07:31 PM
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Please Help ! Changing Diff. Fluid
Could someone who has changed the 75W-90 Fully Synthetic Axle Lubricant in their ZO6 please help me with a question.
When replacing the rear diff. axle lubricant using AC DELCO 75W-90 Fully Synthetic, GM Part No. 89021677, do you need to add the 4 oz. of the Anti-Slip Additive as well? I have a 2003 ZO6.
When I asked the GM Technition at the Chevrolet dealership he told me that since I was using the Fully Synthetic Fluid that I did not need to add the anti-slip additive.
Could someone please give me the correct info. on this matter and the GM Part No. of the additive if I do in fact need it.
Thank You in advance for all your help,
yellow lpe zo6
When replacing the rear diff. axle lubricant using AC DELCO 75W-90 Fully Synthetic, GM Part No. 89021677, do you need to add the 4 oz. of the Anti-Slip Additive as well? I have a 2003 ZO6.
When I asked the GM Technition at the Chevrolet dealership he told me that since I was using the Fully Synthetic Fluid that I did not need to add the anti-slip additive.
Could someone please give me the correct info. on this matter and the GM Part No. of the additive if I do in fact need it.
Thank You in advance for all your help,
yellow lpe zo6
04-23-2010, 06:00 PM
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04-24-2010, 09:46 AM
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St. Jude Donor '10
Like Dennis said, if it says LS on the bottle, don't add the GM friction modifier. Go buy the Royal Purple synthetic gear oil for the diff, and the Syncromax trans oil for the trans.
