HELP, CAN ANYONE TELL ME IF OR WHAT I CAN RULE OUT SOME POSABLE PROBLEMS. AFTER ABOUT 15 MIN. RUNNING TIME MY RIGHT SIDE LIFTER ARE SCREAMING UNTILL I GET OVER 2000RPM. MY OIL PRESSURE IS LOW. I WAS THINCKING ABOUT CHANGE OIL WEIGHT AND AND IF THAT DOESNT HELP OIL PRESSURE CHECK THE OIL PUMP AND SEE HOW BAD MY BAERINGS ARE. I WAS WONDERING IF THERE IS ANYTHING ELAS THAT WOULD BE CHEEPER TO CHECK OR THAT I MISSED THANKS

CSB 4X4S DAILY

what engine is it amc or chrysler ??? if it is amc than check the oil pressure relief spring in the oil pump housin if it is chrysler than i dont know good luck

jeep the first 4 wheel drive the only 4 wheel drive

Had the same problem with my AMC 401. Thanks to the guys on this bulletin board I got it all figured out. The oil pump gears wear out with time. This affects the "left" bank first. A cheap replacement is available from a few places. It is a complete rebuild kit, gears, spring and relief valve. The only thing missing is the gasket but any autozone or checker has these. I will try to find the email address of the guy I bought my kit from. It was $20 including shipping. I'll keep you posted. The procedure is real simple. Even if this does not solve the problem (it usually does) it is a cheap way to have a new oil pump! A temporary fix is running 20w-50.

If it can't be done from the seat of a Jeep, it don't need to get done!

The oil pump is in the aluminium timing cover so they wear relatively fast. Check all clearances between the gears and pump housing. A factory service manual describes it very well. Also, the thickness of the pump cover gasket is important. That sets the clearance at the end of the gears. Too thick and the oil will partially bypass the gears. In other words, don't make your own gasket out of gasket paper or silicone. Use the proper one.

Chris