should i add a transmission cooler on my grand national

5

Asked by Sep 22, 2014 at 08:09 PM about the 1987 Buick Grand National

Question type: Maintenance & Repair

i find on hot days the transmission shifts fast all 4 gears in no time

2 Answers

94,815

Heat is an automatic's worst enemy, if you do put a cooler on, bypass the cooler in the radiator, make sure you get one big enough. I have been seeing that some of the tranny rebuilders are wanting you to put on a cooler and bypass the one in the radiator or they won't honor the warranty.

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5

hey thanks for that info really appreciate

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