2008 Toyota tundra overheating and fifth and six gear while towing

Asked by Dec 28, 2016 at 09:09 PM

Question type: Maintenance & Repair

2008 Toyota tundra overheating and fifth and six
gear while towing... when I'm not towing fifth and
sixth gear is totally fine and normal .  But when I'm
towing my trailer when I hit fifth or sixth gear my
water temperature goes up to make it go down I put
my truck in manual mode and go to fourth gear and
it comes down back to normal

2 Answers

85,945

You might be lugging the engine. I always use lower gears when towing, especially on any kind of grade.

85,945

You might want to install a heavy duty radiator.

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