Why does my diesel engine bleed air when it starts?
Why does my diesel engine bleed air when it starts? If it runs, then it will bleed the air out on it's own, but will run rough until it does. Now, that is so long as you have both drains completely closed on the filters. Did you purge the air before starting the truck after the filter change??? I have the keyless. I put it on run then started it. It started up and ran fine. How does venting work on a Cummins diesel engine? Venting is accomplished by loosening one or more fittings at the injectors and cranking the...