Diesel Place banner

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-2 of 2 Results
  1. Allison OEM
    2002 Duramax HD Allison automatic 275k miles, don’t know anything about the tranny history. Normal driving tranny temp is 150. Pulling my camper in tow mode tranny runs at 295! Have changed the spin on filter and put in a new tranny cooler. No difference. Fluid is normal color does not smell...
  2. Allison OEM
    My 2004.5 Allison is running 3 ticks on the transmission temperature gauge warmer than usual. My truck is 100% stock. If each tick is 12.5 degrees, and the guage is linear, that's 37.5 degrees hotter than usual (150 degrees). I'm also experiencing this in 20 degree cooler ambient air (80...
1-2 of 2 Results