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Thread: flexplate change...how hard, or how much?

  1. #1
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    Default flexplate change...how hard, or how much?

    96 4.0 4x4 with AW4 auto. 93,000 miles. Sick and tired of the rocks-in-a-can rattling coming from the flexplate/torque converter. Bolts are tight on the plate, can't seem to see any cracks, so I'm guessing there way up there around the center, or it's a bad torque converter. Either way, I need it fixed. I'm sure it's not good to keep driving it like this. So...is this a do-able job for me in the garage with hand/air tools? Or how much would it likely be if I found a mechanic that works on the side to do it? Any experience with this?
    God Rocks!

  2. #2

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    To change the flex plate, you must seperate the trans from the block, unbolt the converter, then unbolt the flexplate from the crankshaft.

    Sorry boss, no easy way around that.
    Pat
    95 XJ 94 Mustang GT 90 Ninja 750R

  3. #3
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    Default

    yep, you'll probably have to pull the motor out. PITA, i just did it did a swap, took 9 long actual working days. extra hands help out a bunch. be patient and keep up with every thing and label any connection you take loose.

  4. #4

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    Nah, you can get to it without pulling the motor. All you have to do is pull the trans.

    It isn't TOO bad for the above average shadetree mechanic.
    Pat
    95 XJ 94 Mustang GT 90 Ninja 750R

  5. #5

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    If you have a tranny jack it's fairly easy. For someone who knows what they are doing and has the proper tools, figure 4-6 hours.

  6. #6
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    Default

    make sure you have an E-12 torx socket

  7. #7

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    9 DAYS??????

    I swapped a torque converter/transmission/t-case on Saturday, with one other person helping me. Started at 10:00am, and we were done by 6:00

    It would have taken another 30 minutes to unbolt the flex plate and bolt up a new one, but I wanted to re-use the one originally on my motor.

    Its not that bad. But like the stam just said, make sure you have alot of extensions and a E-12 external torx. And a transmission jack if you go that route.
    '99 WJ '04 Front, Limited 4x4 V8, 2" BB, 18" Sahara Wheels
    '86 MJ X/MJ project.

  8. #8

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    Quote Originally Posted by smartazz19 View Post

    It would have taken another 30 minutes to unbolt the flex plate and bolt up a new one, but I wanted to re-use the one originally on my motor.
    30 minutes to take out and replace 6 bolts?

  9. #9

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    BTW - this is a bad flexplate Started hearing noises a couple months ago and during a high RPM ravine climb it gave up. (999 flexplate modified for an AW4)


  10. #10

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    Quote Originally Posted by chuckp View Post
    30 minutes to take out and replace 6 bolts?

    take the 6 bolts out... walk to fridge, take a break with a few of my ice cold friends. lift the new flexplate and replace 6 bolts

    ya 30 minutes sounds right..
    '99 WJ '04 Front, Limited 4x4 V8, 2" BB, 18" Sahara Wheels
    '86 MJ X/MJ project.

  11. #11
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    Default

    hmmmmm......got a floor jack, basic tools. so, unbolt tranny, lower it, remove plate/change, put back together. sound right? can I get to all the bellhousing bolts to remove the tranny from underneath?
    God Rocks!

  12. #12

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    Take off driveshafts
    Disconnect the wiring harnesses from the tranny
    Remove the exhaust
    Remove the cps from the bellhousing
    Remove the starter
    remove the dust shield
    remove the 4 convertor bolts
    disconnect the tranny lines
    Remove the 4 bellhousing bolts
    remove the crossmember
    Pull the tranny back

    Easy as Pie

  13. #13
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    cool- that's what I needed- "tranny removal for dummies". Thanks. -guess I know what I'm doin on my days off!
    God Rocks!

  14. #14
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    Default

    9 days for a motor swap. thanks for being arrogant. i mentioned this in my reply.

  15. #15

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    is the flex palte a dealer part

  16. #16
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    Default

    Should be able to get the flex plate from just about any auto store.
    1986 Jeep Comanche ~120000 miles
    Long Bed, 5.7L V8, AX15, NP231, Dana 30HP/Chrysler 8.25 27 Spline
    Custom 8" lift (homemade 3-link front, Rusty's 8.5" coils, SOA rear with adjustable IronMan4x4 shackles), 33x12.5R15 MTR's, Roll Bar, Recessed Winch...Much more on the ironing board

    1992 Jeep Comanche 171369 miles
    Short Bed, 4.0L I6 HO, AX15, NP231, Dana 30HP/Dana 35

    ...RIP...
    1990 Jeep Cherokee XJ 207774 miles
    4.0L L6, AW4, NP231. Dana 30HP/Dana 44
    Tom Woods SYE and Drive Shaft, Rusty's 8.0" Long Arm Suspension Lift, 36/13.5R15 Super Swamper IROK's, Dana 30HP Front: 3.55 gears, Dana 30 Diff Guard, 5x4.5" with adapters to 5x5.5", Dana 44 Rear: 4.56 gears, Ox Locker, disc brake conversion, 5x5.5"

  17. #17

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    name that auto store>.. It seems its unavalble from autozone and napa

  18. #18
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    Quote Originally Posted by LifteDLife97 View Post
    name that auto store>.. It seems its unavalble from autozone and napa

    what year xj?

    try www.rockauto.com

  19. #19

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    its a 97. but rock ouato no good.. had to go to dealer. 90 bucks aint bad..

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