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Allison trans running hot, light load, 190 degrees
Posted to Transmission Forum on 6/15/2012 13 Replies

Friends,

I am no transmission guy, particularly not something like this 4wd GMC LLY Duramax Allison. This thing runs hot. I own a 2001 LB7 with the same trans (2wd) and even when towing my 5th wheel, my trans temp rarely clears 160 degrees. I just drove this... Login to read more.

13 Replies Received (View Replies)

 

car Vehicle Data

2004 GMC Sierra 2500 HD SLE 6.6L

Engine6.6 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

2004 GMC Sierra 2500 HD SLE 6.6L

Engine6.6 L
Trans5-speed Automatic (Electronic)