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  1. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    I changed the air control module in the throttle body. Now I can't get it to idol and back firing thru the throttle body.
  2. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    I tried disconnecting battery overnight
  3. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    Is it possible I could reset everything with a scanner
  4. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    No pinch that I can find yet but I do have a wire with an eyelet that's in the cluster of wires whit the cam sensor. Does it connect to the side of the head?
  5. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    Yes it's cables but it does it when there not connected and the butterfly does not open when I crank it. It just goes wide open
  6. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    Everything is hooked up and it's still wide open. Any ideas on this
  7. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    I got it together and all primed up. It started right up but wide open. I didn't have the breather on and the vacuum lines that connects to was unplugged. I'm hoping that's the reason. I disconnected the battery for the night. Gonna finish connecting things up in the morning.
  8. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    Thank you for your time and help
  9. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    I finally got all 6 pistons in and crank turning fine. I removed the Pistons and one of the bearings looked like a a brake rotor with no brake pads. It was a scar on the top of the crank journal that I didn't see. Lock down problem solved. I have one more question. How to spin the motor and get...
  10. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    I guess now I will boil the Pistons and try to get the pins out and start over
  11. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    Yes. I didn't no it mattered which way the rod went. The video tells me that the notches go opposite side of where the cam is. In other words noches to the driver's side and not the cam side.
  12. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    Just watched a video and come to find out the notch on the bearing goes away from the cam. So it appears mine are backwards. Mine are on cam side.
  13. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    I'm headed out now and check into it. I'll let you no in couple hours. Thanks again
  14. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    Thanks. I guess I'll go pull the Pistons back out
  15. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    If that's the case it should be the one I had the broken skirt on. Any tips on how to tell if it is out of round and would it be at the bearing or wrist pin?
  16. SRQ941

    Engine locking down on 2002 Grand Cherokee 4.0

    I got a 2002 Grand Cherokee 4.0. When I bought it it just sounded like a lifter tic. After a couple weeks I went to change the oil and what a surprise I got. 13 quarts of oil I drained out. Yep you read it right... 13. At the right amount the tic become a slap. I replaced the timing chain and...