1998 Buick Lesabre Repair Question
Mileage: No information provided.
1998 Buick Lesabre Oil pressure too high
1998 Buick Lesabre 6 cyl Two Wheel Drive Automatic 98000 miles
I have my engine rebuilt 3000 miles ago. At that time my engine oil pressure went down into 0 but the engine oil level was full.
After engine rebuilt, the oil pressure was set at 80 (the original pressure was 40). The mechanic told me they changed a bigger bump and it is better than the old one.
after 3000 miles driving, I found that the oil pressure goes to 85 and some time reach 95!!!
But when i restart the car, the pressure will go back to 85 - 90.
During the 3000 miles driving, i never go faster than 80mph and I always keep my speed at 65 on freeway.
Asked by jdfmaxAnswer
Hi jdfmax, Welcome to 2carpros and TY for the donation
They probably put in a high volume pump in it-if it was me I'll change back to the OEM part oil pump-A typical engine oil pressure while idle should be 10-15psi and at part throttle should range between 30-45 psi -Your pressure is just too high, normally at 70psi the oil pressure relief valve should open-but who knows the pressure relief valve could be sticking/or not opening at all.
okay. I checked the auto parts.
Melling/Oil Pump Kit
For your 1998 Buick Lesabre 3.8L SFI OHV 6cyl
Is this stuff I need to change for my car??
This is your OEM part no. 6443570 on the fuel pump
okay. I searched and found this one. Could take a look at it?
http://www.autozone.com/autozone/parts/Airtex-Master-Fuel-Pump/_/N-8vcz2?counter=0&filterByKeyWord=6443570&fromString=search&fromType=oem&itemIdentifier=21822_0_0_&oemPartNumber=6443570
Does this one fit my car and the pressure will go back to 40?
The info I gave you earlier is inaccurate that's a fuel pump part no. Sorry my bad-I reverified it-
This is what were looking for: Oil pump OEM part no. 24505433