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Pontiac
Grand Prix
Drivetrain
Transmission
Fluid
Transmission fluid
2008 PONTIAC GRAND PRIX
175,000 MILES • AUTOMATIC
SAMMDEMOS
MEMBER
1 POST
FOLLOW
I put atf4 in and it calls for dexron vi. I believe the two quarts of atf4 I put in are gone. Can I add my dexron now?
Nov 14, 2018 at 6:36 AM
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ASEMASTER6371
CERTIFIED EXPERT
52,796 POSTS
Good morning.
The two quarts has mixed with the rest of the fluid.
I would drop the pan and change the filter and add the correct fluid to be sure you will not damage the clutches.
Roy
https://www.2carpros.com/articles/how-to-service-an-automatic-transmission
Nov 14, 2018 at 7:13 AM