Chevy Silverado


Junior Member
Lee county
I have a 2006 2500hd Silverado with 4L80 trans I was wondering if this trans temp is anything to worry about for Highway driving never went over the image

Avalanche 2500 Addict
Virginia. I just had a new trans out in less than 1000 miles ago

Willie you have not said w/ plow on / off ? Any warranty ? coils clean @ trans. cooler no blockage, not sure maybe a crimp in cooler line. Not sure maybe a trans temp sensor ? Try the flush /Filter ? @ Randall Ave maybe of some help ??


Senior Member
If it was not an actual tranny shop, they probably didn't cycle the system. Assuming the old tranny blew up, it send debris/particles throughout the system. Which usually collects in the cooler.

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