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Tranny - Diff Fluid Change - Recommendations?

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Old 12-12-2010 | 04:04 PM
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Bernie
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Default Tranny - Diff Fluid Change - Recommendations?

Hey Folks,

Doing a tranny and diff service on my 85 AT today.

Was wondering what brand / type fluids I should pickup and also in what quantities?

TIA for the help.

Cheers
Bernie
Old 12-12-2010 | 08:25 PM
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Searched on here and several like Mobil 1 fluid. IIRC dextron III or above is sufficient (may check your manual).

Used it last weekend when I swapped out gasket and filter. Did not drain torque converter. I purchased 4 qts and have more than a half quart left.
Old 12-12-2010 | 11:51 PM
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I've been real happy lately with Redline full synth along with a bottle of atf seal treatment, the diff I use Redline 90. Since you didn't drain the tc the first time around, I'd start over with completely fresh trans fluid.
Old 12-12-2010 | 11:57 PM
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Red Line from Roger, 75w-90.
Old 12-13-2010 | 12:49 AM
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Thanx fellas,

Ended up going with a Valvoline full synth. Couldn't find any of the others today and I was in a hurry to get it done.
Do appreciate the responses though!

Cheers
Bernie
Old 12-13-2010 | 01:25 AM
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Honestly, it doesn't really matter much. The trans will love the fresh fluid, fresh filter, fresh diff lube. Change it out... and then drive the **** out of it.
Old 12-13-2010 | 01:32 AM
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Originally Posted by Mike LaBranche
Honestly, it doesn't really matter much. The trans will love the fresh fluid, fresh filter, fresh diff lube. Change it out... and then drive the **** out of it.

Mike:

Dont forget that we discovered that how the fluid tastes, matters too.



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