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post #1 of (permalink) Old 07-03-2001, 02:03 PM
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AX15 Swap not working out

I have 88 Wrangler BA10. Swapped out for AX15 94 up external slave. Resurfaced flywheel, new pilot bushing, new clutch, new trhowout bearing and fork arm, new master/slave cylinder. Bolted everything together (t-case new input gear and JB Conver SYE) and the clutch does not release. Bled the slave three times (1 qt of fluid) and confirmed operation. Still depress clutch but it won't disengage. Sent back clutch for another one. Still no luck. I can't figure this out. Everything is new! When in gear with clutch pedal down, I tried to start Jeep and it want to surge forward. My clutch just won't disnegage! Any suggestions? Could the flywheel be different from 88 to 94? Would that matter? What type of donor vehicle can I get an automatic out of? Cherokee, Wranglers what years?

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post #2 of (permalink) Old 07-03-2001, 02:50 PM
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Re: AX15 Swap not working out

when I swapped out my tranny for the nv4500, I put in a centerforce clutch, and I had the same problem. my clutch was just sticking to the flywheel. I started it in gear, and drove down the road in 1st, I pushed in the clutck and gassed it.. then it broke free. (just make sure that you have a place to turn around if this doesn't work)

'94YJ,4cyl,33SX's,Locked F/R,NV4500,Soon to come:Wagoneer 44 Scout 44 & spools
post #3 of (permalink) Old 07-03-2001, 04:21 PM
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Re: AX15 Swap not working out

Sounds like the pilot bushing is too long. My older brother had this problem with his T-18 swap, he put it all together and it wouldn't disengage. The input shaft was jammed into the flywheel so hard it kept it engaged. He took it back out and cut about 1/8" off the end, then put it back in, and it worked normally.

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post #4 of (permalink) Old 07-03-2001, 04:47 PM
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Re: AX15 Swap not working out

i have the ax5 in my wrangler, with the external slave. i had to bleed mine by unbolting the slave from the bellhousing, and manually pushing the rod back in. i hammered away trying to bleed it with it hooked up for hours. no luck. i finally broke down and read the book. that is what worked for me, however, mine was an older external slave. i have heard that the 94 and up master, line and slave are one unit, and are prefilled with fluid and cannot be bled. any one else know.

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post #5 of (permalink) Old 07-05-2001, 08:21 AM
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Re: AX15 Swap not working out

The 94 up units do come prefilled, however I think it is still good idea to bleed them. They have a hole that needs to be drilled out (very small) and a special set screw that covers it up. I will try to drive it first to see if the first suggestion works. I know the slave is working properly because I have around 1.5" of throw. If all else fails, I will take another look at the pilot bushing. I just don't understand how that can effect the clutch disk. When I installed the pilot bushing, I seated it flush with the end of the crank.

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