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  1. #1

    Default What is normal Oil Pressure for 2010 5.3L Silverado

    I have a 2010 5.3L silverado. It has the 6 speed tranny in it. Just curious, I notice the oil pressure when warm is around 30psi, when driving at high speeds it is around 40psi. And when I step it down, it goes at it highest to 50-60 psi.

    IS this normal?

    Can others with a similar vehicle tell me what they are typically getting.

    Just curious.


  2. #2

    mfleetwood's Avatar
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    Jul 2010
    Denver, CO
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    Welcome to the Club! Although I do not have the 6 speed tranny, your numbers react in a similar manner to mine. However, I think I am more like 35 at warm idle, 40 during normal driving, and 50 when stepping on it. Also, I am running 5w 30 synthetic....

    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

  3. #3


    my 2008 5.3 runs about 30-35 psi when warm/hot at idle ... around 40-45 psi accelerating and cruising at highway speeds. I have notice it to peak at about 50-55 during wot. I run mobile one full synthetic 10w30 .. which is why it runs a little high due to thicker oil. i also have noticed the oil presurre gauge is not always accurate as my programmer reads it constant from the computer and the gauge sometimes can be off a little.

    I have a 4 speed tranny which probably (i would assume) run a tad bit more rpms at cruising speed but I don't think it would cause too much difference in oil pressure.

  4. #4


    My '10 GMC runs about the same. At warn idle it's just above 30 psi and around 40 to 43 at highway speeds. But i have never seen it go as high a 60 at WOT
    2002 Chevy 1500 Ex-cab Z71: 5.3L, auto 4, shorties, hi-flow cats, true dual 2.5" straight pipes, AirAid intake, TBS, Platinum plugs, 8.5mm wires, programmer, 3in w/ 33s, also has the composite bed

    2010 GMC 1500 Crew Cab Z71 w/ All Terrain package: 5.3L, auto 6, 2" Zone leveling kit, AirAid Jr. Intake Kit

  5. #5

    Default What is normal Oil Pressure for 2010 5.3L Silverado

    Thanks guys, mine is the same. Good piece of mind! Thanks for taking alot

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