Flex Plate: Dumb Question

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10-22-2009, 09:49 AM

Hylander

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Model: Wagoneer

Flex Plate: Dumb Question

97 4.0
When Installing a new Flex Plate, does it have to be at a certian rotation.
Or just bolt up ?

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10-22-2009, 09:52 AM

Throttle Jockey

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Model: Cherokee

your fine just bolting it up. the new one should be balanced

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10-22-2009, 12:03 PM

ktmracer419

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they can only bolt in one position on 4.0's. the bolt holes are ever so slightly skewed

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10-22-2009, 06:42 PM

5-90

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Year: 1988

Model: Cherokee

Engine: AMC242

Exactly. One hole is "keyed" slightly out of pattern, so it should only fit the one way.

Use LocTite #242 (or equivalent) on the screws for the flexplate and the torque converter! Flexplate screws are 1/2"-20x5/8" with a "place" style head, and torque converter screws are M10-1.5x20m/m with a "place" style head (NB: standard hardware store replacements will not work. I've found high-quality replacement flexplate screws through ARP, but I haven't dug up torque converter screws yet...)