2008 5.3 gmc oil pressure

Asked by Mike Aug 21, 2019 at 07:44 PM about the 2008 GMC Sierra 1500 SL Crew Cab 4WD

Question type: Maintenance & Repair

My son's GMC 5.3 pressure is like 10 psi and sometimes
lower the low oil light will come on  lifters tick sometimes.
Seen records were previously owner changed the oil
pressure sensor..not sure about screen ..shut truck off 5
min start pressure back up to 15 or so ..still low ..
sometimes it will stay about 15 at idle always down road or
rev up to 2 grand it's about 40 psi ..but at idle it's too low
.....should we change oil pump ? Pick up o ring ? Maybe
screen under sensor? Or is motor junk ? About 180 k miles
..I own one with 220 k and no problem same motor and yr

2 Answers

F_O_R answered 4 years ago

If you are getting noise then the pressure may actually be that low. I would use a mechanical gauge to see what is going on. Clean the screen too.

Mark helpful

Mike answered 4 years ago

Thanks the pressure is low of say just wondering if the o ring on the pick up tube could cause it .?

Mark helpful

Your Answer:

Related Questions

  • 2008 5.3 gmc oil pressure 2 Answers

    My son's GMC 5.3 pressure is like 10 psi and sometimes lower the low oil light will come on lifters tick sometimes. Seen records were previously owner changed the oil pressure sensor..not sure abo...

    2008 GMC Sierra 1500 SL Crew Cab 4WD

    -

    Maintenance & Repair

  • Oil pressure sensor screen 2000 GMC Sierra 2 Answers

    Would a clogged screen on the oil pressure sensor/oil pressure sending unit cause the motor to rattle?

    2000 GMC Sierra 1500

    -

    Maintenance & Repair

  • i have a 05 gmc with a 5.3 v8 and oil is geting in my intake 1 Answer

    there is oil in my intake its a 5.3 v8 gmc sierra

    2005 GMC Sierra 1500

    -

    Maintenance & Repair

  • 2000 GMC Sierra low oil pressure 2 Answers

    Ok here it goes I have a 2000 GMC Sierra that I was hauling a large trailer with and the oil pressure dropped and ticking noise started. Changed the oil and put in a new pressure switch. Was told ...

    2000 GMC Sierra 1500 SLT 4WD Extended Cab LB

    -

    Maintenance & Repair

  • 2007 5.3 GM engine 6 ksi at idle oil pressure normal 6 Answers

    On my 2007 5.3 engine Oil pressure is at 35 ksi when start engine cold and when warms up pressure drops to around 6 ksi at idle, when running holds around 28 ksi with 8 cylinders when deactivates...

    2007 GMC Sierra 1500 SLE1 4WD

    -

    Maintenance & Repair

Shortcuts

Search GMC Sierra 1500 Questions

CarGurus Experts

  • #1
    yetilikesbeer
    Reputation
    12,340
  • #2
    dragonflyoffshore
    Reputation
    11,480
  • #3
    John Saffrahn
    Reputation
    11,430
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Chevrolet Silverado 1500
190 Great Deals out of 8,251 listings starting at $7,777
Used Ford F-150
326 Great Deals out of 13,585 listings starting at $3,800
Used GMC Sierra 2500HD
40 Great Deals out of 2,211 listings starting at $8,490
Used Toyota Tundra
37 Great Deals out of 991 listings starting at $10,698
Used Chevrolet Silverado 2500HD
29 Great Deals out of 1,721 listings starting at $8,999
Used GMC Yukon
13 Great Deals out of 967 listings starting at $5,890
Used Toyota Tacoma
30 Great Deals out of 726 listings starting at $9,975
Used Dodge RAM 1500
95 listings starting at $5,999
Used Chevrolet Tahoe
11 Great Deals out of 847 listings starting at $698
Used Ford F-250 Super Duty
26 Great Deals out of 782 listings starting at $4,290
Used GMC Canyon
20 Great Deals out of 922 listings starting at $5,477
Used Dodge Charger
33 Great Deals out of 903 listings starting at $5,495

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.