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  #1  
Old January 31st, 2018, 13:42
Tardis XJ's Avatar
Tardis XJ Tardis XJ is offline
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Smile AW4 Trans Yoke length

I have a '89 XJ, 4.0 mpi, AW4, NP 231, 4 door that I just replaced the Dana 35 rear axle, and it appears that the yoke on the transmission end of the drive-shaft is now just barely long enough to keep a seal (no fluid leak has been detected). Q, are there different lengths for the 27 spline AW4 transmission yoke? If so, who sells them? I'm already grateful for any help I receive here.
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Old January 31st, 2018, 19:29
lawsoncl lawsoncl is offline
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Re: AW4 Trans Yoke length

Quote:
Originally Posted by Tardis XJ View Post
I have a '89 XJ, 4.0 mpi, AW4, NP 231, 4 door that I just replaced the Dana 35 rear axle, and it appears that the yoke on the transmission end of the drive-shaft is now just barely long enough to keep a seal (no fluid leak has been detected). Q, are there different lengths for the 27 spline AW4 transmission yoke? If so, who sells them? I'm already grateful for any help I receive here.

You replaced the axle and now the driveshaft seems too short? Or was it too short to begin with? If it's a new problem, double check that the new axle is rotated properly and sitting in the correct position on the leaf springs. Did you swap in a newer D35 (the newer c-clip version has a rubber fill plug instead of a threaded metal one)?

There are at least two different length rear shafts, depending on the transmission and xfer case. The automatic trans is about 1" longer than the manual. Lifting the XJ can also require a longer shaft.
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Old February 11th, 2018, 12:00
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Tardis XJ Tardis XJ is offline
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Question Re: AW4 Trans Yoke length

Thanks for the info, but I asked about the YOKE LENGTHS and not the drive shaft lengths. I've seen longer length yokes for lots of different transmissions, just not for the AW4--I'm looking to find the length of the longest 27 spline yoke for the AW4. Do you know what length the longest yoke might be?
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Old February 16th, 2018, 13:36
Jim Malcolm Jim Malcolm is offline
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Re: AW4 Trans Yoke length

You sure you're not looking for a yoke for a NP231, not an AW4?

One from a YJ is what you're looking for. They're 1/2-3/4" longer, can't remember which. A SYE is the better choice.
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