Chevy and GMC Duramax Diesel Forum - Reply to Topic
Maintenance Discuss scheduled maintenace, capacities, filter part numbers, etc.

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  Topic Review (Newest First)
09-11-2019 06:15 AM
01treehugger Thank You.
09-11-2019 06:14 AM
01treehugger Thank You !
09-10-2019 05:41 PM
LMLLover The oil pump is the only thing on a Dmax that is lubed by UN-filtered oil.... but it dosent seem to care.

Run it.
09-10-2019 05:39 PM
J83
Quote:
Originally Posted by 01treehugger View Post
I appreciate the advice. I have owned the truck since it was new and have maintained it well. When this mechanich suggested it to me it sounded a little questionable;that’s why I joined this forum. He also went on to say that if the oil pump goes it could burn up my motor. My truck runs very good for now.
well yea, if the pump goes no more oil pressure, but id like to think youd notice the gauge go to 0 and the MIL light up and pull the truck over. I see where the mechanic is coming from, but i think theres a little more good for him than good for you in his recommendation. Im not sure what the R&R procedure is for a oil pump, but id imagine that you have one of 2 options, pull the engine, or pull the oil pans, neither of which is an especially cheap thing to do.

Besides, like hook said, you almost never see those things need to be replaced. They are essentially a life time part.
09-10-2019 04:56 PM
Hook'em_Horns! There are Logic safeguards on board that will warn before that happens.
Watching your psi gauge is always a good thing too.
But oil pumps failing on a Dmax..are not a thing.
09-10-2019 03:25 PM
01treehugger I appreciate the advice. I have owned the truck since it was new and have maintained it well. When this mechanich suggested it to me it sounded a little questionable;thatís why I joined this forum. He also went on to say that if the oil pump goes it could burn up my motor. My truck runs very good for now.
09-10-2019 01:39 PM
J83 i would not tear into the engine to replace the oil pump just because, if its not giving you issues (which its probably not) leave it alone.
09-10-2019 01:14 PM
M.A.M. No, your oil pump does not need to be changed preventatively. If you stay on top of your fluid change intervals, youíre good. Maybe keep an eye on your water pump to make sure itís not damp around the weep hole. Thatís a sign it needs replaced.

Could change your serpentine belt, tensioner, and idler pulleyĎs so it doesnít leave you stranded sometime.


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09-10-2019 12:29 PM
01treehugger
oil pump

I have a 2007 6.6 with 400,000 miles on it. I was told that since I was keeping it that I should replace oil pump for preventative maintenance. Is this true and is their anything else I should do ?

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