Calling all AX-15 experts - JeepForum.com
 
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post #1 of 4 Old 07-12-2007, 08:09 AM Thread Starter
rwcook49
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Calling all AX-15 experts

Here's my question/dilema.

I had my AX-15 rebuilt when I was doing my engine swap. I have just never really been happy with the shifting.

Basically the symptoms are that when I'm shifting with 3500 rpm or more, I can feel and hear the synchronizers engaging gear to gear. They're not grinding, but I can feel it through the shifter and can even hear it with my loud exhaust.

If I double clutch or shift under lower revs, this does not happen and it shifts smoothly.

When I took it back to the tranny shop where I had it rebuilt the guy told me that since I'm running full synthetic (Royal purple synchromax) I will have noisier shifts and that it's shifting normally.

So my question is: Am I just paranoid? How noisy is noisy with synthetic? I've typically been of the mind that even with light oils you shouldn't be hearing the syncrhos.

Any thoughts?


'90 YJ, 4.0L, Old Man EMU, 2.5" Body, 33" BFG A/T, ARB front and rear, 4.56 gears, Superwinch 9.0c, Mastercraft rubicon seats
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post #2 of 4 Old 07-12-2007, 08:47 AM
rustywrangler
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It sounds normal. I typically don't shift higher than 3200 RPM's just to be nice to the tranny.


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post #3 of 4 Old 07-12-2007, 09:00 AM
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I don't rev it that high to shift unless I'm in four low. And it sounds about right. Synthetic is noisey it seems. I put royal purple in after my rebuild and it makes the tranny whine a little. All in all it seems about normal. Nothing wrong with bein paranoid though. I think we all are sometimes, especially with driveline components.

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post #4 of 4 Old 07-12-2007, 09:52 AM Thread Starter
rwcook49
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Thanks for the feedback guys. I'm heading up wheelin this weekend and didn't want it to detonate on me.

Thanks again.

Bob

'90 YJ, 4.0L, Old Man EMU, 2.5" Body, 33" BFG A/T, ARB front and rear, 4.56 gears, Superwinch 9.0c, Mastercraft rubicon seats
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