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    HELP 4.0 Engine Install (5-90, others)

    I just put a 1995 4.0 into my 93 Cherokee......I had the motor mounts aligned and the 4 engine mounting bolts on the trannie tightened....I cannot get the flywheel / converter bolt holes to align....Have spent hours on this...... Now I have the trannie mounts disconnected as well as the two...
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    Motor Mount Help !!

    I just swapped the engine in my 1993 Cherokee 4.0 and replaced the motor mounts as preventative maintenance. The drivers side mount is installed, aligned and bolted loosely. However, I cannot get the passenger side mount to line up no matter how hard I try. The hole appears to be 1/4-3/8 inch...
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    87 Comanche 4x4 86K Miles - Value??

    I live in Northern Cal and am 'thinking about' selling my 87 Comanche 4x4 5 speed 4.0, 7 foot box, 86K orig miles, w/cap, Dana 44 rear, mild death wobble...Minimal rust, good paint, garage kept until recently....Rarely used, this is why I am considering selling it... I am the second owner, my...
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    Timing Chain HELP !!

    I am rebuilding a used Jeep 4.0 and was told the motor was a 1993....I purchased a replacement timing set which had a 'single' chain.....But when I ripped it apart, the motor had a double chain but I installed the 'single' chain kit in it.....However, I just ran the numbers off of the block and...
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    Freeze Plug question

    I am rebuilding a 93 4.0 and have removed the freeze plugs. I purchased some 2 inch plugs from NAPA and prior to installation coated them very lightly with permatex. However, it seems like I can merely push them into the block flush using my fingers without banging them in???? If I really try...
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    Pump the oil thru a new engine

    I am rebuilding a Jeep 4.0.....How do you pump the oil thru the engine before you start it.......It appears that the oil pump is hooked up to the distributor and the cam.......So if you spin the distributor, you are turning the oil pump AND the cam which is turning the engine over.....Therefore...
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    1993 Jeep 4.0 Timing Chain Help

    The procedure whereby you need to count '15 pins' to ensure the timing chain is installed properly. Is this applicable to 4.0's with a single or a double chain? My 1993 4.0 has a double chain and it seems impossible to have the timing correct using the '15 pin' alignment rule. The auto parts...
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    Thermostat 180 or 195? 4.0

    My 93 XJ runs on the hot side like everyone elses. I am going to put a 3 row radiator in it. However, I was also thinking about putting a 180 degree thermostat in it instead of a 195. Has anyone noticed any problems passing emissions and/or decreased gas mileage with the 180?
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    Front U-Joint/ Wheel Bearing Question

    While doing a brake job on my 93 XJ (4.0 Auto 137K Miles), I rotated the front wheels with the BRAKE CALIPERS & PADS OFF and both wheels made a ta..ta..ta sound.....Could not tell if it was coming from the hub or the universals....Is this normal for a 4x4 or should the wheels spin perfectly...
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    Front U-Joint / Wheel Bearing Question

    While doing a brake job on my 93 XJ (4.0 Auto 137K Miles), I spun the front wheels with the BRAKE CALIPERS & PADS OFF and both wheels made a ta..ta..ta sound.....Could not tell if it was coming from the hub or the universals....Is this normal for a 4x4 or should the wheels spin perfectly quiet...
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    AW4 Slipping?

    When my Xj is cold, from a stop while in drive the trannie slips for a about a second or so. ie...I press on the gas the motor revs up then the truck suddenly kicks into drive and takes off....When the truck is warm this no longer occurs....Also, no other problems with the trannie.....fluid is...
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    93 XJ 4x4 Front Axle question

    While doing a brake job on my 93 XJ (4.0 Auto 137K Miles), I spun the front wheels with the BRAKE CALIPERS & PADS OFF and both wheels made a ta..ta..ta sound.....Could not tell if it was coming from the hub or the universals....Is this normal for a 4x4 or should the wheels spin perfectly quiet...
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    93 Cherokee Transfer Case Question

    I just drained the fluid out of my transfer case......Only 3/4 of a quart came out.....The 'peramex' sealant used to seal the case appears to have deteriated....Is it possible to just pull the axles and remove the covers and reseal them while leaving the case in the vehicle?.....Thanks much
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    Backup Lights / NSS - AX4

    My backup lights come on only when I wiggle the shift lever while in reverse. Do I need to clean the NSS or just merely adjust it? Thanks much
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    3rd stop light

    My 93 Cherokee does not have a 3rd stop light. What year did they begin to use them?
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    Door Hinge Problem

    The upper door hinge on my XJ has separated from the body. I do not have a welder or a rivetor (required to install the Chrysler repair kit). Could I just drill two 1/4 holes thru the hinge plate, thru the A-pillar and put bolts thru the holes and use nuts & washers on the inside of the A-pillar...
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    62MM Throttle Body

    Apparently, the stock Throttle Body on a 91-95 4.0 is 60mm. However, the opening on the intake is 62mm. Has anyone had their throttle body bored out to 62mm? Do you notice any increased power and/or change in fuel economy?
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    Floor Board HELP

    I just pulled the carpets on my 93 Cherokee and I have some pretty big holes in my floor boards that I was not aware of (until now) as well as lots of rust. I plan on keeping this truck for a while and will be moving out of state. Therefore, I am thinking that I should have the floor boards...
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    Any known issues with 4.0 4x4 Automatic's??

    I just bought a 93 Cherokee 4.0 4x4 with an automatic for $825. I am rebuilding the motor since the existing one has a rod knock w/136K miles (It appears that the previous owner was hard on this vehicle). Are there any things which typically fail on the 4.0 automatics which I should replace...
  20. G

    93 Cherokee, Drivers Door will not open

    I have the door panel off...have pulled on every lever I can reach and the door will not open....the handle from the outside will not open it either...you cannot lock/unlock with the door key....Any tips on how to fix/resolve?? Thanks much
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