should i add a transmission cooler on my grand national


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


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.

1 out of 1 people think this is helpful.

hey thanks for that info really appreciate

Your Answer

Add photo

Related Questions

Search Buick Grand National Questions

Buick Grand National Experts

#1 Joey Warren
Joey Warren
Reputation 120
#2 kenet12
Reputation 80
#3 tennisshoes
Reputation 70
View All

Related Models For Sale

Used Buick Regal"
182 Great Deals out of 10,596 listings starting at $2,195
Used Chevrolet Corvette"
426 Great Deals out of 20,259 listings starting at $3,688
Used Chevrolet Monte Carlo"
14 Great Deals out of 2,069 listings starting at $2,000
Used Chevrolet Camaro"
795 Great Deals out of 38,866 listings starting at $2,650
Used Ford Mustang"
720 Great Deals out of 41,399 listings starting at $900
Used Dodge Charger"
647 Great Deals out of 30,064 listings starting at $1,995
Used BMW M3"
96 Great Deals out of 1,892 listings starting at $5,495
Used Toyota Supra"
56 listings starting at $32,500
Used Chevrolet Caprice"
202 listings starting at $10,900

Used Cars For Sale