Quote:
Originally Posted by psyco66  I have been a diesel machanic for 10 years. I feel you should not lube the o rings with grease. You should lube any o ring with what it is going to live in. For the fuel filter just put a little diesel on it and that is it. The grease is not a good idea. JIMO. |
I am a GM diesel tech at a dealership, thats how I was taught and how I've been doing it on my duramax and customers for years, never had an issue or come back because of it, but everyone has their own opinion.