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View Full Version : ALWAYS 80 LBS OF OIL PRESURE

IRA51
05-08-2007, 10:17 PM
ANYONE KNOW WHERE THE OIL PRESURE SENDING SWITCH IS LOCATED ?
f5fstop
05-09-2007, 12:01 AM
Rear, on left side of the top of engine block.
IRA51
05-09-2007, 12:04 AM
Just like a Chevy, thanks .
IRA51
05-10-2007, 04:00 PM
changed it and it now idles at 40lbs and rises to 60 at about 4000 rpm's useing 10/30 Mobil 1 syn oil normal driveing it reads about 45lbs .I also rebuilt the gage cluster with all new stepper motors . seams to me the gage is not all that accurate . the presure seams a little high with 10/30 oil. typical of GM of this vintage(2003)the gage clusters fail at about 75000 miles .easy repair just pull out the cluster and have it rebuilt for $175.00 changeing the oil presure sender was a bigger job and took longer .