bbaker2001 wrote:
question on upgrading trans cooler.
my 2009 gmc 1/2 has tow package and have made a few 2500 mile trips. tranny temp does go up. if i want to change or add another, who can tell me the best or biggest i can put on
i do hope net year to take a similar trip. hope you keep us informed
What kind of temps are you seeing? Likely, there isn't any issue. 220* really is not a problem with these trucks. Our '10 gets up to 220*+ on occasion when towing, a few times has gone higher than that, and it isn't a problem.
If your truck already has the K5L cooling package, I wouldn't swap anything out.
