8 speed automatic
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Joined: Jul 2004
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From: Hartford WI
Usually they recommend the triple flush so you may have gotten enough to get some effect but I would spend the coin and get a dealership with the right equipment to flush it so you get the full effect. Dropping the pan gives some fluid changed but not as much as the full flush. So you have a lot of old fluid that absorbs water still.
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I agree with doing the triple flush procedure as recommended by GM. It has been reported to be very successful in stopping the shudder issue with the A8 transmission.
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It was very successful for my car. It truly was a significant difference in the way the shifting felt and improved the driving experience.
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From: Hartford WI
Melting Slicks
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From: North Texas
Team Owner
Joined: Jul 2004
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From: Hartford WI
https://www.google.com/url?sa=t&sour...qZxhZHb6_4S5eg
Team Owner
Joined: Jul 2004
Posts: 28,475
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From: Hartford WI
Melting Slicks
Joined: Feb 2018
Posts: 2,184
Likes: 1,050
From: North Texas
After each refill you run the engine going thru all the gears until you reach the proper trans fluid temp.
If you follow this procedure 3x the all the old fluid will removed from the trans.
I did it in my garage 4X, 2x with the Black label fluid and 2x with the Blue label fluid when it became available in 2/19.
24 quarts each time.
If you follow this procedure 3x the all the old fluid will removed from the trans.
I did it in my garage 4X, 2x with the Black label fluid and 2x with the Blue label fluid when it became available in 2/19.
24 quarts each time.
