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  1. F

    Cooling fan turns off and on when ac is on

    And by switch you mean?
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    Cooling fan turns off and on when ac is on

    I just got it recharged at a shop last week, when it's running with the AC on the compressor clutch stays going, the fan is the only thing doing the off on off on, however I just touched one of my ac hard lines and it was cold from the freon going through it, I touched the other ac line and it...
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    Cooling fan turns off and on when ac is on

    Nothing stating this issue
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    Cooling fan turns off and on when ac is on

    2001 jeep Cherokee, I notice engine temps creeping up to 220 with ac on, I checked cooling fan when ac is on and it turns on but only stays on for 7 seconds then turns off again, then turns on for 7 seconds then turns off again over and over ONLY with the AC on, when the AC is off the cooling...
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    P0720 code won't go away

    *FIXED* I checked the mail side of the pigtail and the output sensor wire was still taped from the p.o but the wires were broken on the inside. Appreciate the help
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    P0720 code won't go away

    4.88 gears on 35x12.50x15 tires
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    P0720 code won't go away

    2001 jeep Cherokee 4.0l, I'm getting a p0720 code, I replaced both input and output speed sensor on the side (green sensors) of the transmission with sensors I know work and I'm still getting the code, I checked the wiring and it appears to be together all the way through, as well as any relays...
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    3rd camshaft+lifter replacement, tapping noise at 2500-3000 rpm

    @unclewolverine, how would i go about diagnosing the rod knock directly? And as far as the flexplate, the first time i had the cam failure i decided to replace to camshaft bearings as well because i knicked them pulling the cam out so i removed the trans and had the flexplate out and it was...
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    3rd camshaft+lifter replacement, tapping noise at 2500-3000 rpm

    Purchased a reman stock 4.0l long block from a reputable source at the beginning of this year. Had a shop install it, 500 miles later the camshaft+ lifters took a shit (when i removed them you can clearly see damage to the lifters and camshaft lobes) so i replaced them with a stock melling...
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    Cam+ lifter change now rocker arms wont bolt down

    Ok how would i measure for correct pushrod length?
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    Cam+ lifter change now rocker arms wont bolt down

    I still have the shims it came with! Hopefully those will work, heres what i found though i got my pushrod and measured it,it measures to 9.625 (9-5/8") and the oem is 9.639 is that my issue?
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    Cam+ lifter change now rocker arms wont bolt down

    Thats what i thought but my understanding is those pushrods were fine before i change cam and lifters and if the cam and lifters are oem then there is something else wrong and it isnt the pushrod length but like the guy said after you., the correct stuff might have not been used. When the engine...
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    Cam+ lifter change now rocker arms wont bolt down

    I was thinking exactly what you are saying right now. So i have a pushrod with me now that came with the engine and i looked up the specs for a melling pushrod (same brand of my new cam and lifters) im gonna measure and see the difference
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    Cam+ lifter change now rocker arms wont bolt down

    Yea i felt them sit in place also i can see them fully seated inside the lifter. Im not sure what to do now, nobody knows the issue. Should i just find shorter pushrods?
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    Cam+ lifter change now rocker arms wont bolt down

    I did not, i was thinking of buying another one instead of taking off the head to compare the lifters. They are correct part number(melling part #jb2011) New melling mc1377 camshaft Intake lift:0.408 Exhaust lift:0.414 And the stock oem camshaft specs for my year is the same
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    Cam+ lifter change now rocker arms wont bolt down

    I bought a reman longblock 4.0l in oct 2020, and just last month the cam+ lifters went bad due to not being broken in correctly so i bought a brand new stock replacement cam+lifter set from melling kit # mc1377 for my 2001 xj. Now that i have the head back on, all the pushrods even at their...
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    Bad thrust bearing or?

    I checked there is about 1/4" of play
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    Bad thrust bearing or?

    Ok i have a dial indicator would i just mount it to bellhousing then set the tip against the flexplate and move it back and forth ? What is a "ok" amount of tolerance?
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    Bad thrust bearing or?

    A couple days ago my vehicle starting making a loud knocking noise coming from inbetween bellhousing and engine. The knocking increases with rpm in all gears (park,neutral,1,2,3,d) the only Time it gets quiet is right when it shifts to 4th gear.i checked out torque converter and flexplate for...
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    Random Stalling issue

    Well it's been a couple days now, and no problems whatsoever so it was a bad sensor
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