Oil pressure on 2012 Silverado 1500

70

Asked by Jstaton93 Jun 07, 2017 at 05:43 PM about the 2012 Chevrolet Silverado 1500 LT Crew Cab 4WD

Question type: Maintenance & Repair

When I first start my start oil pressure is fine at 40psi. But
after it heats up and I stop at red light it drops down to the
line between 0 and 40. Now the motor taps a little but still
runs perfectly fine. What could my issue be? The oil
pressure gauge use stay right at 40 for about 3 years.

11 Answers

3,550

Normally oil pressure on chevy is 25 or better. If it makes you feel better. I would change it. If oil pressure dropped you would definitely know it in a chevy.

14 people found this helpful.
70

Thank you. I just did the oil change on it right after it started doing it and I was gonna see if it stopped but it didn't so I just wanted to make sure.

7 people found this helpful.
200

I had the same problem in my Chevy. The problem was the oil screen in the oil pan was cloged up with burnt carbon and sludge. ALSO lots of sludge in the oil pan. The oil cools down when the motor has not run for several hours and the screen drips a liitle of the sludge and carbon off. When the oil heats back up the carbon, sludge, and oil, sticks to the screen and blocks the oil flow to the oil sending unit (pressure gage sensor) and the motor.

20 people found this helpful.
120

I have an 08 and 2012 Chevy,same motor,08 I replace pump,screen and sensor got 60 plus,but on 2012 I'm still around 20 to 40, weird but actually normal

12 people found this helpful.
170

2012 Chev 1500 Silverado 5.3L ----- Plus 40 -50 psi cold start....35 psi hot at 1500 - 2000 rpm 60-70 mph in 6th gear. No abnormal engine noise

10 people found this helpful.
90

2009 chevy Silverado 5.3 afm. Oil pressure use to sit at 40. Then it would drop to 0. Replace pick up tube o ring and pressure sensor. Now it sits at 20 at full operational temp. And 35 38 at 1.5 to 2k rpms.

9 people found this helpful.
140

There's a nosie coming from the low end of the motor on my 2012 silverado 5.3, I disconnected the belts to be sure it wasn't the water pump or anything else on the front of the motor,now my oil pressure is down to 20 pounds. I'm thinking oil pump any ideas?

14 people found this helpful.
170

My 5.3 was showing low oil pressure at 2000+ rpm last summer. Had 1800 mi on oil but the truck sat over the winter so I changed the oil using syn oil as always since new and now pressure is 60 plus on cold start, 40 at any speed and 30 at idle. The funny thing when in inquired low oil pressure with the chev dealer they told me that as long as the oil gauge showed min 15 psi all was good..............from my experience with chev products I knew that low oil pressure was normal vs chrysler oil pressure but NOT 15 psi at speed.

7 people found this helpful.
90

2011 Avalanche 77K miles - I had ding and light with service engine immediately message. It went away and didn't come back. Oil was DX5w30 with only about 500 miles left until sticker said change was due. Dash info said 33% oil life remaining. Pressure gauge was 30-35 up to 40 when revved. I changed oil myself and put in different filter. semi-synthetic 5w30. It was about 45 lbs cold went up to close to 60 accelerating hard. Once it warmed up it was 38 and went about 45 under acceleration. so not a big difference so still not sure what made it ding and warn to begin with.

9 people found this helpful.
80

Could you drain the oil and then put some diesel fuel in a run jt for a bit and then drain it out then put good oil in it ?

8 people found this helpful.

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