Allison transmission high oil temp concerns
Finished a trip last weekend and noticed tranny oil temp nearing the red zone on my 2004 silverado. Now, a few weeks ago, we did drive through a big swarm of gnats that really coated the front of truc...
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Our 2005 runs about halfway for the most part (180-210) during normal towing... the highest it's been is about 230-235 while pulling our 12k 5'er up I-70 toward Eisenhower Tunnel and it held there, but that was the highest its ever been, and under extreme conditions (that is one very heavy and long hill). It leveled out again a few minutes after we got over the top.
