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Old 06-20-2019, 09:31 AM   #6
WorkinLonghorn
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Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,855
Re: Controversial 4l60e maintenance question

Shifty, you didn't say if the fluid looked and smelled OK. That is the first step in a logical decision.

But even if it is "burnt smelling" what can you do except change the fluid. Just do it the usual way, no flushing. If the improved viscosity causes slippage then it was well on it's way out anyway. The only reason NOT to change it is if you are a shop owner and you don't want a customer claiming YOU caused the problem.
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