Oil Pressure Drops

GMC C2500
Avatar
GAUCHOUSA
  • MEMBER
  • 2 POSTS
My GMC Sierra 2500 with 172.000 miles very well mabtain after a whiele running the oil pressure drops when is on automatic drive and if I put it on park pressure reseme and light go off.
Change the sending sensor and problems persist! ! !
Use oils 10 40 most of the time and change every 3.000 miles.
runs great but this light comming on?
Nov 10, 2007 at 3:31 PM
Advertisement
Avatar
RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Take the OSU out and hook up an oil pressure gauge and comeback with the readings.

Possible problems: Engine bearings/weak pump/clogged pick up screen/oil return galleries
Nov 10, 2007 at 5:19 PM
Avatar
GAUCHOUSA
  • MEMBER
  • 2 POSTS
[quote:f776254ef6="rasmataz"]Take the OSU out and hook up an oil pressure gauge and comeback with the readings.

Possible problems: Engine bearings/weak pump/clogged pick up screen/oil return galleries[/quote:f776254ef6]
I have same problem what is the best thing to do How to exchange the oil pump? is just drop of the oil pam or there more than this Please let me know also if is possible e-mail me gauchousa@hotmail.com
have a gmc 2500 V8 3.7 with 172.th miles
Thank You so very much Joe
Dec 18, 2007 at 9:28 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle