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Low Oil Pressure 2010 Silverado


rogersr2

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Posted

I have a 2010 Silverado 5.3L. I notice every so often on start up a noise like the oil pressure is low and the lifters are knocking, it last about 40 seconds or so even on warm mornings. While driving the oil guage reads around 40 (guess I'm still in the rut of old school where oil pressure is 60 and you use 10w-40). There is 8000 miles on the truck and this will be the 3rd oil change, I am changing it myself this time and see that GM recommends 5w-30. I know not to use too heavy oil but the knocking just seems wrong, not to mention embarrassing when my neighbor jokes that I should have bought a new Ford like his 2010 F-150.

Posted

Not to insult you in any but have you checked the oil level? My truck stays around 40 during idle/cruising. About 60 when passing Sunday drivers on Monday morning. With all the different trucks consuming oil might be a good first check option.

Posted
Not to insult you in any but have you checked the oil level? My truck stays around 40 during idle/cruising. About 60 when passing Sunday drivers on Monday morning. With all the different trucks consuming oil might be a good first check option.

 

 

No insult, I know some of those "OH YEA" people. The level is fine and I even had the GM service guy check out the knock, of course it was warm then and sounded fine. Just wondering if this could be a problem, the dealership plays it down as normal

Posted

Probably the typical cold start knock that many of these engines exhibit. I wouldn't go to a 10w-40 oil though. Try 10-30, also try different brands. Synthetic instead of dino, etc.... Get a quality filter, that can make a difference on knocking sometimes too.

Posted
GM recommends 5W30 not the heavier 10W30.

Tell that to the dealers that are still putting in 10w-30 'cause they have it.

Posted
GM recommends 5W30 not the heavier 10W30.

Tell that to the dealers that are still putting in 10w-30 'cause they have it.

 

 

 

Got a call back from GM service guy and there were two other people with the samr problem and they found that several of the ACDelco filter were bad. This really sucks, wonder what damage this has done? the truck had 4 miles on it when I purchased, luckly only 1500 on that filter I hope. Doing my own oil change now KN filters.

  • 1 month later...
Posted
GM recommends 5W30 not the heavier 10W30.

Tell that to the dealers that are still putting in 10w-30 'cause they have it.

 

 

 

Got a call back from GM service guy and there were two other people with the samr problem and they found that several of the ACDelco filter were bad. This really sucks, wonder what damage this has done? the truck had 4 miles on it when I purchased, luckly only 1500 on that filter I hope. Doing my own oil change now KN filters.

 

 

Did the KN filter fix it? thanks

Posted
GM recommends 5W30 not the heavier 10W30.

Tell that to the dealers that are still putting in 10w-30 'cause they have it.

 

 

 

Got a call back from GM service guy and there were two other people with the samr problem and they found that several of the ACDelco filter were bad. This really sucks, wonder what damage this has done? the truck had 4 miles on it when I purchased, luckly only 1500 on that filter I hope. Doing my own oil change now KN filters.

 

I doubt that a few dry start-ups did any damage to your engine. Are you using synthetic oil? Be sure to use ONLY 5-30W. You will shorten engine life using a heavier oil.

 

That's why I do my own oil changes. I use Mobile1 and the Mobile1 filter. Change it @ ~9000 miles.

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