Duramax Lifetime Supporter
Join Date: Oct 2016
Location: Maurice, LA
I think there is more to this story.
Just removing the oil filler cap should not in and of itself cause what you describe.
Also many questions, where was the coolant coming from?
Does it not turn over, as in no power to starter or hydraulic locked (trying to turnover but won't spin)?
2008 Silverado 2500HD CCSB LTZ Diesel
FASS 95 Lift Pump (with Baldwin filters), Edge Insight CTS Monitor on a Windshield Mount, Nicktane Fuel Filter Adapter w/ CAT 306-9199 UHE tertiary fuel filter, Bilstein 5100 Stock Height, Bushwacker Bed Rail Caps, AMP Research Bedstep, Fumoto oil drain valve, Dorman PS Oil cooler, Pioneer AVIC 7200NEX GPS/Stereo, Air Lift LoadLifter 5000 Air Bags.