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Old 01-29-2012, 08:07 PM   #1
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Clutch help?

Turned corner today and jeep would no longer go into gear. Wont go into ANY gear while running but will go through the gears while shut off. Clutch goes to floor with very little resistance. Master Cylinder is FULL with NO leaks. External slave seems fine also and operates normally when depressing the clutch pedal. Any ideas on where I should start?

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Old 01-29-2012, 08:12 PM   #2
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i think its called a clutch positioning sensor..somethin like that..recognizes when the clutch it engaged and when its not..could be that...well wait..wouldnt start if it was that hmmm

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Old 01-30-2012, 12:47 AM   #3
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the master or slave could have failed internally letting fluid past the piston and not creating enough pressure to disengage the clutch
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Old 01-30-2012, 01:18 AM   #4
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Have your Wife / Girlfriend / significant other / Neighbor, or anyone for that matter.
Sit in the Vehicle, place it in Gear, (1st) and hold in the Clutch, while that's being
done, see if you can push the Vehicle, make it roll. That will give you a good Clue.
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Old 01-30-2012, 12:31 PM   #5
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Quote:
Originally Posted by Timberwolf View Post
the master or slave could have failed internally letting fluid past the piston and not creating enough pressure to disengage the clutch
x-2...
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Old 01-30-2012, 01:26 PM   #6
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Ok, I'll try the roll test when I get home today. As far as the Master and Slave, I held the slave piston tight while the GF pushed on the clutch slowly. The piston pushed extremely hard so I'm guessing it's operating normal. Also, the Master is full of fluid so I figured those parts were working normal. Thanks...
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Old 01-30-2012, 05:37 PM   #7
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Will NOT roll when in gear with clutch pedal pushed in. Slave?
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Old 01-30-2012, 05:45 PM   #8
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could be either or both, they both have the same amount of miles on them
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Old 01-30-2012, 07:20 PM   #9
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Quote:
Originally Posted by Wrangler06
i think its called a clutch positioning sensor..somethin like that..recognizes when the clutch it engaged and when its not..could be that...well wait..wouldnt start if it was that hmmm
My yj starts without having the clutch in, should I b worried about it it doesn't cause any problems I just make sure its out of gear when I start it when I don't push the clutch in most the time I push it in out of habit.
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Old 01-31-2012, 08:12 AM   #10
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Now I'm being told it's definitely the throw-out. Guess the trans is coming out...
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Old 01-31-2012, 09:30 AM   #11
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I had this happen to me a a couple months back. I still have the replaced parts in my yj. Mine was of the flywheel snapping and a few other parts. People kept telling me throwout too..
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Old 02-05-2012, 01:46 PM   #12
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Well it's not the slave cylinder. Just changed it and still does nothing.
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Old 02-05-2012, 01:49 PM   #13
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Well it's not the slave cylinder. Just changed it and still does nothing.
bled properly?

Were you having any issue shifting before this occured? grinding, popping out of gear?
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Old 02-05-2012, 05:16 PM   #14
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Could be the Throw out, that's what I thought happened to ours last spring, turned out that the fork attatched to the throw out snapped... either way you're gonna have to look inside...
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Old 02-05-2012, 05:21 PM   #15
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I had the same thing happen so I put new clutches and throw out and fixed everything then the fork in the tranny broke so I had to have it rebuilt. After 1400 bucks it drives perfect
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Old 02-05-2012, 05:24 PM   #16
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No matter what it is ur gonna have to drop the tranny so just replace everything BUT be careful u have to unplug the flywheel sensor its on top of the tranny and a pain to get to
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Old 02-05-2012, 05:25 PM   #17
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80 bucks for a lil sensor and ur jeep will no crank without it
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Old 02-05-2012, 05:41 PM   #18
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did you check to make sure the actual clutch peddal is attached to the upper pushrod under your dash? This happened to my former TJ once, the retaining pin popped out. A zip tie saved the day
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Old 02-05-2012, 05:47 PM   #19
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did you check to make sure the actual clutch peddal is attached to the upper pushrod under your dash? This happened to my former TJ once, the retaining pin popped out. A zip tie saved the day
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Old 02-05-2012, 07:17 PM   #20
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check clutch

It is easy to check the clutch disengaging if you can drive it. Just get it in a gear, lower the better, and accelerate, put in the clutch and let off the gas. If it coasts, the clutch is disengaging. If the motor brakes the vehicle, it isn't disengaging.

You can verify the clutch pedal height by where it relieves the braking from the engine.
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Old 02-23-2012, 05:30 PM   #21
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Well got it apart and it was just the clutch afterall. Clutch disks completely shot. Note to others: When you pull the slave cylinder to see if it's working, if there is fibrous hairs all over it.......you need a new clutch! $155 and 4 hours on your own.

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