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Old 08-29-2019, 08:49 PM   #6
Tom
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Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,695
Re: 4l60 trans fluid type

Quote:
Originally Posted by Palf70Step View Post
changing the fluid on one with that many miles may have it start to act up
I think you read another zero in his mileage. 20,000 miles is barely broken in.
Changing the fluid is not the issue. Power flushing the system is the issue. Change the fluid as much as you want. Just don't use a machine to do it. Although at 20k I wouldn't worry about a machine either. Its not enough mileage to get dirty inside unless it was seriously abused.
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