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  1. JPNinPA

    Bad brake booster or something else?

    Any luck yet? Never look down on anyone unless you are helping them up - Jesse Jackson
  2. JPNinPA

    Do you guys change your oil plug washer?

    This kind Never look down on anyone unless you are helping them up - Jesse Jackson
  3. JPNinPA

    Do you guys change your oil plug washer?

    Replace when leaking. Some vehicles have crush washers there and need to be changed to keep from leaking. Never look down on anyone unless you are helping them up - Jesse Jackson
  4. JPNinPA

    Power Steering pump I.D. Help

    You could have used the manufacturer and part number to look up in the Amazon. Never look down on anyone unless you are helping them up - Jesse Jackson
  5. JPNinPA

    I have a 3.8 jku 2011. And I want to do the 3.6 fan convention. Any suggestions about aev or Novak?

    I converted my TJ to electric fan. Here is what i learned. 1) cfm is what matters. Not enough and you will overheat. 2) pulling not pushing. 3) pulling through the entire radiator by having a shroud that a. Fits the entire radiator. b. Is flush with the fan. c. Has no gaps to pull air from...
  6. JPNinPA

    Bad brake booster or something else?

    At the risk of sounding crazy….you don’t have anything in the way of the brake pedal that may stop movement??? As a test (without driving) can you remove the vac line and use a pump to pull a vac on the booster. Start the vehicle and test the brake. Reduce the vac and test the brake. If you...
  7. JPNinPA

    Bad brake booster or something else?

    I wouldnt think air in the abs would lock up the pedal it woukd make it spongy as the air is let into the system. https://youtu.be/nQRnKyVyMuQ?si=kTU8F3dU_fNzJc3Z Never look down on anyone unless you are helping them up - Jesse Jackson
  8. JPNinPA

    2004 Jeep Grand Cherokee crank wont start

    Fuel pressure should be 49.5 +/-5 and should be steady across 700-5000 rpm. Not that this is your no start cause. Just the ckp has a paper gasket. On 00-06 TJ the 4.0 has an issue with ODPA weRing the CAM gear. The CPS sits on the ODPA Never look down on anyone unless you are helping...
  9. JPNinPA

    Power Steering pump I.D. Help

    https://www.rockauto.com/en/catalog/jeep,1987,cherokee,4.0l+242cid+l6,1179716,steering,power+steering+pump,7380 Never look down on anyone unless you are helping them up - Jesse Jackson
  10. JPNinPA

    2004 Jeep Grand Cherokee crank wont start

    Injectors you should hear/feel tick when you place a screwdriver on the back of the injector, Fuel pressure? Fuel pump fuses or relay? Pics of spark plugs? Clean TB and IAC. Check IAC and TBS connections. Any codes??? When you replaced the CPS snd CKP did you use OEM. Others can be bad out...
  11. JPNinPA

    Bad brake booster or something else?

    Verify check valve is working and your vac line actually is pulling vac. You don’t have 2 check valves do you? If you were able to bleed the brakes there shouldn’t be an issue with the master… but gi ahead and replace it if you want. Never look down on anyone unless you are helping them up...
  12. JPNinPA

    Bad brake booster or something else?

    You tube https://youtu.be/QaUPC8TjzWA?si=H1BzSGuMGZOIcr5I Never look down on anyone unless you are helping them up - Jesse Jackson
  13. JPNinPA

    Bad brake booster or something else?

    When you press the brake there are two motions. One is the piston pushing out of the caliper and inner pad into the rotor. The second is the outer part of the caliper sliding into the rotor. This creates a pinch to the rotor. If the slides are dry and or frozen only one side is gripping. You...
  14. JPNinPA

    Bad brake booster or something else?

    Vac looks ok. What changed you said you idled at or above 1k rpm? What you describe first pump stiff second solid but not stopping still sounds like a crimped hard line or failing rubber line. When you bleed it, it bleed normal? No slow flow?? Never look down on anyone unless you are...
  15. JPNinPA

    Bad brake booster or something else?

    Describe what you mean by “tested” all the calipers. Never look down on anyone unless you are helping them up - Jesse Jackson
  16. JPNinPA

    Bad brake booster or something else?

    Sry been traveling. So when you bleed the brakes do you do the pump and hold method? If so do you see the caliper clamping the pads to the rotor? Did you grease the slide pins? Does this symptom occur when bleeding? Did all wheels bleed the same? None were slower or more pedal resistance to...
  17. JPNinPA

    Bad brake booster or something else?

    Sorry i didn’t think of this earlier. Vac bleeders often pull/draw/suck so hard it pulls air around the threads of the bleeder into the caliper that it looks like you have air in the lines. I use the siphon bottle to catch the fluid that is pumped out. Never look down on anyone unless you...
  18. JPNinPA

    Bad brake booster or something else?

    I see it this way. You must be able to stop and steer before you could go. So redoing the brakes is a good investment. I’ve done it several times to get good touchy brakes. Never look down on anyone unless you are helping them up - Jesse Jackson
  19. JPNinPA

    Bad brake booster or something else?

    You dont need/want to empty the system just exchange the fluid. Siphon the old fluid out of the reservoir. Fill with new fluid. Then go to your driver side, closest tire, open the bleeder valve and push the piston flush to the caliper. This pushes out most of the old fluid. Shut the valve and...
  20. JPNinPA

    Bad brake booster or something else?

    It is not about the fluid in the reservoir. It’s about what’s in the lines in the caliper. You cannot see water in the fluid because it mixes the fluid. Brake fluid should be swapped out completely every few years because it was moisture. Yes, it’s still could be your break. But you should idle...
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