AX-15 shifting troubles - JeepForum.com

 
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post #1 of 8 Old 07-10-2008, 12:56 PM Thread Starter
96cherokeeclass
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AX-15 shifting troubles

I recently got a new job in downtown dallas. My xj which has 5" of lift and 31's is not used to this city driving. I put 136 miles on her every day. Whenever the temp guage gets over 210 it becomes nearly impossible to shift from N to 1st. When sitting in traffic it's no fun to keep your foot burried in the clutch but thats what im stuck doing. When it gets this hot i also notice it being "sticky" when shifting into the other gears as well.
The other day while at a red light on an uphill slope i noticed that when 1st was engaged and the clutch pressed to the floor, if i let off the brake the jeep wouldn't roll back. At the next light, on level ground, i tested this again and the jeep crept foreward.

None of this is any good, Im thinking hood vents, trans cooler, hurst shifter (cause I want one and it might help), and replace trans fluid with high grade fluid (royal purple/lucas).

am i on the right track?
any idea why this is happening?


- 07 WK - CRD
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post #2 of 8 Old 07-10-2008, 06:03 PM
mattbred
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Most likely you need to replace your master or slave cylinder as the clutch is still engaged. Might want to ask a tranny shop about it if you don't have any experience.
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post #3 of 8 Old 07-10-2008, 09:07 PM
BrunoS
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exact same issue...the DOT3 fluid can't handle the heat, starts to boil after heavy a/c use and stuck in traffic with 85-95'F outside air temps in los angeles.

try switching to dot3/4 fluid with higher boiling point, in the clutch. simply bleed (easy on the 96 i've got) the clutch fluid with the new stuff. since dot 4/5 is fully synthetic, stick with the DOT3/4 stuff that is fully compatible with the DOT3 stock fluid.

Newly Painted! Emerald Green '96 XJ 4x4 4.0 HO 5-spd
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Drilled out Stock Airbox / Gauge Cluster Upgrade
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post #4 of 8 Old 07-11-2008, 07:23 AM Thread Starter
96cherokeeclass
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Quote:
Originally Posted by mattbred View Post
Most likely you need to replace your master or slave cylinder as the clutch is still engaged. Might want to ask a tranny shop about it if you don't have any experience.
about this time in '05 my clutch went out 3 days after i bought the jeep. The previous owner installed the wrong clutch plate... the fork got ground down to a nub, everything got torn up. I replaced everything under the pedal so i shouldn't need to replace these again so soon right? sorry i failed to mention this in my first post.


Bruno I hadn't thought about that, I'll be doing that tomorrow, but I was kinda hoping somebody would tell me the hurst shifter would fix it so I could justify getting one.

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post #5 of 8 Old 07-11-2008, 07:33 AM
MBJR9
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Quote:
Originally Posted by 96cherokeeclass View Post
Bruno I hadn't thought about that, I'll be doing that tomorrow, but I was kinda hoping somebody would tell me the hurst shifter would fix it so I could justify getting one.
Oh it will. The longer leverage to pivot ratio, slick chrome handle, and white shift knob will all disipate heat to provide a long term gain in purchasing the shifter ! Plus it look bad *** !

Trust me, I know how you feel. I want one too!

The XJ
1996 XJ Sport, 4.0L HO I6, AX15 5 Speed, NP231, Dana 30/35, Flareless

The Daily Driver
2004 Ram 1500, 5.7L Hemi V8, 545RFE 5 Speed Auto, NP241, Chrysler 8.0/Chrysler 9.25, 10mpg
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post #6 of 8 Old 07-11-2008, 08:36 AM
Ridin' Around
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Quote:
Originally Posted by 96cherokeeclass View Post
I recently got a new job in downtown dallas. My xj which has 5" of lift and 31's is not used to this city driving. I put 136 miles on her every day. Whenever the temp guage gets over 210 it becomes nearly impossible to shift from N to 1st. When sitting in traffic it's no fun to keep your foot burried in the clutch but thats what im stuck doing. When it gets this hot i also notice it being "sticky" when shifting into the other gears as well.
The other day while at a red light on an uphill slope i noticed that when 1st was engaged and the clutch pressed to the floor, if i let off the brake the jeep wouldn't roll back. At the next light, on level ground, i tested this again and the jeep crept foreward.

None of this is any good, Im thinking hood vents, trans cooler, hurst shifter (cause I want one and it might help), and replace trans fluid with high grade fluid (royal purple/lucas).

am i on the right track?
any idea why this is happening?
Try Amsoil fluid, the synthetics will definetly hold up to the heat better.
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post #7 of 8 Old 07-11-2008, 11:23 AM
JeepRide
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Use redline mtl tranny fluid works much better than regular gear oil.

98 xj 4.0L 231 / aw4 /8.25/3.55
31x10.50 a/t 3 inch bastard lift
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post #8 of 8 Old 07-11-2008, 02:10 PM Thread Starter
96cherokeeclass
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Yea ill be replacing the clutch and tranny fluid when i install my new hurst shifter (see thread "hurst shifter whoop!)

- 07 WK - CRD
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