Category: Explainer
-
Passed the Wiggle Test but Still Almost Destroyed the Engine: The Hidden Cummins Grid Heater Failure
A failing RAM Cummins grid heater isn’t always obvious. Just ask Vic’s Muffler Shop. -
Ram Killer Grid Heater Failure History
I thought grid heater failure was one of those overblown and overreported things that parts manufacturers talk about to sell stuff. I was wrong. -
Cummins Killer Grid Heater Failure Explained
Ram’s 6.7-liter Cummins diesel is a powerhouse, but there’s one crucial pain point that has plagued owners for more than a decade, and that’s the grid heater bolt failure. This problem affects Ram 2500, 3500, 4500, and 5500 trucks built between the 2007.5 and 2024 model years. It has been the cause of expensive repairs…
