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Old 12-09-2010, 07:02 PM   #1
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Questions about my Rubicon

Hi All,

I am new to this forum as I recently purchased a 2006 Wrangler Rubicon. I do not have a lot of knowledge regarding wranglers so I was hoping some of you can help me with a few questions. I apologize if these questions have been asked before. I performed a search and did not have much luck. Here goes...

1. After rollout, when shifting to 2nd, it's never as smooth as shifting into any other gears, ie(3rd to 4th-5th-6th). All other gears shift smoothly. No grinding or popping out, just a little rougher than any other shifts. Is this normal with the Rubicon tranny?

2. When in reverse at roughly 3-5MPH and I brake to stop and apply clutch, you can really feel the transmission going back into neutral (and even hear it). Is this something normal?

3. Anything I can know/learn about the Rubicon from people who know their stuff? Point me in the direction to look. I love this truck and these small things are just concerning me a bit.


truck has 58k on her.

Thanks you.

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Old 12-09-2010, 08:27 PM   #2
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No love?

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Old 12-09-2010, 08:53 PM   #3
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1. sounds like a syncro. the rubicon has the same tranny as any other jeep.

2. the transmission does not go into neutral when you press the clutch so im not real sure what you're talking about.
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Old 12-09-2010, 08:58 PM   #4
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Originally Posted by 6inarowmakesitgo View Post
1. sounds like a syncro. the rubicon has the same tranny as any other jeep.

2. the transmission does not go into neutral when you press the clutch so im not real sure what you're talking about.
1. So my 2nd gear syncro is no good?
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Old 12-09-2010, 09:18 PM   #5
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I know the Rubicon has the same tranny as my X. Its a 6-speed correct? I know there are known issues with the 1-2 shift. Mine grinds a bit if its cold and I dont go really slow or double clutch it. If you search you can find people that have solved the problem. And for the clutch issue mine also does the same thing....it kind of makes a clicking sound? Ive heard that is normal with our clutches.
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Old 12-09-2010, 09:28 PM   #6
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Quote:
Originally Posted by fjd24 View Post
1. So my 2nd gear syncro is no good?
that would have been my guess...

Quote:
Originally Posted by mjfitzner View Post
I know the Rubicon has the same tranny as my X. Its a 6-speed correct? I know there are known issues with the 1-2 shift. Mine grinds a bit if its cold and I dont go really slow or double clutch it. If you search you can find people that have solved the problem. And for the clutch issue mine also does the same thing....it kind of makes a clicking sound? Ive heard that is normal with our clutches.
...but this guy knows better than me about the merc tranny. i have the new venture.
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Old 12-09-2010, 09:37 PM   #7
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Quote:
Originally Posted by mjfitzner View Post
I know the Rubicon has the same tranny as my X. Its a 6-speed correct? I know there are known issues with the 1-2 shift. Mine grinds a bit if its cold and I dont go really slow or double clutch it. If you search you can find people that have solved the problem. And for the clutch issue mine also does the same thing....it kind of makes a clicking sound? Ive heard that is normal with our clutches.
Correct. 6 Spd. If there are known issues that makes me feel a little better. How have you solved the issue? Do you know where we can find info on how people solved the problem? It's not a HUGE deal but I just bought the truck 2 weeks ago. Didn't seem to notice it as much on the initial test drive. Thanks for the help guys.
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Old 12-10-2010, 12:55 AM   #8
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double clutching works for me.
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Old 12-10-2010, 01:24 AM   #9
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new fluid perhaps?
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Old 12-10-2010, 06:18 AM   #10
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Most of the time I start in 2nd. But yes if/when cold my first to 2nd shift, clicks a bit on the way in.

Try changing the fluid.
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Old 12-10-2010, 04:57 PM   #11
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1. If you have the stock tires on it, there's no need to start in 1st, use 2nd. Gear ratios for the NSG-370 are: 4.46, 2.61, 1.72, 1.25, 1.00, 0.84 for first through sixth. The jump from first to second is the largest; therefore, it is not as smooth.

2. What do you feel/hear? Are you shifting the lever into neutral when this occurs?
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Old 12-10-2010, 05:11 PM   #12
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Mine is a little hesitant going into 2nd or 3rd gear when its cold. I had forgotton about it until you mentioned it. It's either gonna get worse, therefore needing repair, or its gonna stay the same, no big deal. Now I've just forgotton about it, again.
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Old 12-10-2010, 07:40 PM   #13
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With the 6 speed rubicon, 1st gear is a creeper gear. It's for slow crawling off road. You're supposed to start off in second gear when you're on the street.

The cool thing is that when you're off road, you can put it in 4 low, put it in 1st, and just let the engine idle. It will creep forward at 0.5 mph and crawl over ANYTHING without you having to touch the gas.
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Old 12-10-2010, 09:29 PM   #14
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my 05 rubicon does the same thing. like some others do is start in second gear. or just take ur time and feather it into gear but the drivers behind you might not like that. i think its a problem with evry jeep with that tranny as far as all the research is did said
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Old 12-10-2010, 10:56 PM   #15
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if i start in first i skip second and go straight to third to eliminate the rough 1-2 shift.
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Old 12-10-2010, 11:40 PM   #16
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I also have the 06 wrangler. It is still rather rough into second, unless I shift at a higher RPM or speed. It works just doesn't feel right for a while. You'll get used to it.
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Old 12-11-2010, 12:38 AM   #17
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I have an '06 sport with the six speed, my problem was that it popped out of gear when I tried to place it into reverse. If that starts happening shift it into first, then reverse. That's all the help I got for you. Good luck new Jeeper!

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