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New engine, no oil pressure

Discussion in 'Intermediate CJ-5/6/7/8' started by nickelndime66cj, Mar 8, 2009.

  1. Bob75CJ

    Bob75CJ Member

    Man, hope it was the gasket. Might want to order a new spring and ball just for the halibut. From the sound of it idle oil pressure wont be a problem.
     
  2. cobra5laddict

    cobra5laddict Member

    DO NOT use gasket sealant on the gasket between the oil pump adapter and the timing cover. this could be some of your problem as it may have blocked a oil passage or similar. in addition, the sealant actually changes the clearance between the adapter and the gears, thus changing the pressure.
     
  3. timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Very observant. I looked at the picture, and did not see it.

    No gasket cement here. The thickness of the gasket is critical to the operation of the oil pump.

    I presume you have removed the oil pressure relief piston (pretty sure it's a piston and not a ball) and its spring, and inspected the piston and bore?
     
  4. jinpdx

    jinpdx Member

    It is the piston type, not a ball.

    Check to make sure it slides smoothly its bore and is not in backwards. Seems to be a common occurance and will cause these symptoms.
     
  5. Thanks, Guys. I did check the spring and piston, I thought the piston slide smoothly. Its only $20 bucks at NAPA for a new gasket, spring and piston. I'm going that route this weekend, I'll let you guys know how I made out. Thanks again!