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Old 02-12-2011, 03:02 PM   #1
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Jeep Clutch Mystery. Need help

Okay, here's the problem that has had me stumped for months. Sometimes my jeep won't start when I turn the key. All the electrical comes on. To get it to turn over I have to repeatedly slam the clutch pedal to the floor as hard as I can while turning the key. It eventually turns over. Before you answer, I already overrode the clutch pedal fail safe. To be clear, that means that under normal circumstances, I can start my 2000 TJ without pressing the clutch in at all. But when this problem occurs, I still have to smash my clutch pedal to the floor. I disabled the clutch override by inserting a fuse into the appropriate override slot in the fuse box. Anyone have any suggestions on what I could try next, or if there is another clutch switch I don't know about?
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Old 03-07-2012, 07:20 PM   #2
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bump.. similar problem happened\is happening to me now. HELP

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Old 03-07-2012, 07:36 PM   #3
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Will be interested to see where this one goes. I would figure if the override was activated then the clutch wouldn't have any bearing on whether the Jeep would start or not.
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Old 03-08-2012, 12:20 AM   #4
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so this is what's been going on with my scenario...

Specs:
2005 Rubicon Unlimited
2"RE Lift w\teraflex tummy tuck on 33x12.50R15.. TB spacer and flowmaster.


I'm new to jeeps, just converted from land rovers (thank god) and my jeep, (bought from Mt.Zion Offroad in Dover PA, 77XXX miles) is my first manual vehicle. that said, I'm actually pretty good at using a clutch given my experience riding quads, dirtbikes and occasionally having to steal my buddies ride to grab a pack of smokes or something.. (so I'm not worried that it was my newb shifting at all.)

After about two weeks of buying my rig I realized that something just wasn't right, and it wasn't just the temp variations given this crazy weather we've been having in the northeast.. upshift from 1st to 3rd, mostly 3rd to 4th was "choppy" and felt like it grinded 3-5 teeth per shift without any noticable "grinding" sound (I just had the doors and sunrider mostly topless today).

After some research here and elsewhere I decided that my tranny fluid probably needed changing and a little bit of lucas. (although I'm not sure how it does with the NSG370 and all.. any thoughts on that? searching's proven inconclusive and I tend to lucas everything I can)

This morning I was warming the engine up as I always do out of habit from owning my Disco and I noticed a rattling sound sort of like when you hear a jap 4 banger's exhaust manifold heatsink come loose, and something just didn't "feel" right about the sound.. so, I pushed in the clutch a little bit and the sound definitely responded proportionally to the amount of clutch depression.. so I figured what the hell, and didn't think *that* much of it.. so whatever, went out did some errands, and on my last stop I literally shut the engine for 5 mins, got back in, turned the key and nothing. Did the key dance, no faults to be found. Checked the fuses, they were all good to go.. grounded the CPPS, nothing. Did the clutch override fuse trick, nothing. So...

I jumped the starter straight from the battery, no response. Autozone, 15 minutes and a new starter and relay. Installed both, still nothing. Jumped the starter again and but it was just spinning, the solenoid engaged (I think, well 98.4% sure)...... no idea what to do now in DIY terms, and thank god it's still under a 3k warranty from Mt. Zion...

Any thoughts?


\\I apologize for the lengthy explaination, I just figure it's better to write like i'm talking to other people, instead of a faceless cloud of knowledge
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Old 03-09-2012, 12:49 PM   #5
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Bump.. Where's Jerry?!?
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Old 03-09-2012, 12:58 PM   #6
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Quote:
Originally Posted by mmoscatelli View Post
so this is what's been going on with my scenario...

Specs:
2005 Rubicon Unlimited
2"RE Lift w\teraflex tummy tuck on 33x12.50R15.. TB spacer and flowmaster.


I'm new to jeeps, just converted from land rovers (thank god) and my jeep, (bought from Mt.Zion Offroad in Dover PA, 77XXX miles) is my first manual vehicle. that said, I'm actually pretty good at using a clutch given my experience riding quads, dirtbikes and occasionally having to steal my buddies ride to grab a pack of smokes or something.. (so I'm not worried that it was my newb shifting at all.)

After about two weeks of buying my rig I realized that something just wasn't right, and it wasn't just the temp variations given this crazy weather we've been having in the northeast.. upshift from 1st to 3rd, mostly 3rd to 4th was "choppy" and felt like it grinded 3-5 teeth per shift without any noticable "grinding" sound (I just had the doors and sunrider mostly topless today).

After some research here and elsewhere I decided that my tranny fluid probably needed changing and a little bit of lucas. (although I'm not sure how it does with the NSG370 and all.. any thoughts on that? searching's proven inconclusive and I tend to lucas everything I can)

This morning I was warming the engine up as I always do out of habit from owning my Disco and I noticed a rattling sound sort of like when you hear a jap 4 banger's exhaust manifold heatsink come loose, and something just didn't "feel" right about the sound.. so, I pushed in the clutch a little bit and the sound definitely responded proportionally to the amount of clutch depression.. so I figured what the hell, and didn't think *that* much of it.. so whatever, went out did some errands, and on my last stop I literally shut the engine for 5 mins, got back in, turned the key and nothing. Did the key dance, no faults to be found. Checked the fuses, they were all good to go.. grounded the CPPS, nothing. Did the clutch override fuse trick, nothing. So...

I jumped the starter straight from the battery, no response. Autozone, 15 minutes and a new starter and relay. Installed both, still nothing. Jumped the starter again and but it was just spinning, the solenoid engaged (I think, well 98.4% sure)...... no idea what to do now in DIY terms, and thank god it's still under a 3k warranty from Mt. Zion...

Any thoughts?


\\I apologize for the lengthy explaination, I just figure it's better to write like i'm talking to other people, instead of a faceless cloud of knowledge
Holy thread Hijack Batman! How about posting this question as your own and not hijacking the OP's?
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Old 03-16-2012, 12:47 PM   #7
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i figured it'd keep the clutter down ha
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Old 03-16-2012, 01:33 PM   #8
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Quote:
Originally Posted by jeepjones View Post
Holy thread Hijack Batman! How about posting this question as your own and not hijacking the OP's?
The OP posted in December of last year and was never responded too, mmoscatelli brought the thread back to life.

If the interlock has been bypassed then it is not the clutch. There is something else going on.
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Old 03-16-2012, 05:08 PM   #9
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Try some more searches here. I've seen that problem mentioned several times but can't remember the solution. My memory is going...but I do remember my senior discount at ihop!

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