06-07 LBZ & LLY Duramax Powertrain
I've had to to add a 1/4 of a gallon of coolant to my truck twice in the past 2 years (both times in February). The last time the Check Coolant warning came I let the truck sit in 30 deg weather to cool down and I still couldn't remove the cap due to all the pressure behind it. I had to use...