Transmission Problem? - Jeep Compass Forum
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post #1 of 27 Old 10-18-2006, 04:09 AM Thread Starter
 
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Transmission Problem?

At certain speeds, 5 - 25 and around 40 if I back off the gas completely for a few seconds and then accelerate there is a notiecable "jerk" in the drive-line. Has any body else experienced this? The dealer called Chrysler and they said it was normal. I drove another new vehicle at the dealer and the same drive-line "jerk" was there but to a much lesser degree.[/b]
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post #2 of 27 Old 10-18-2006, 04:39 AM
 
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I get a similar "jerk". Since everything is electronically controlled, I figured that it was normal.
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post #3 of 27 Old 10-18-2006, 04:57 AM Thread Starter
 
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Transmission Problem? - Additional Information

2007 Jeep Compass Sport 4x4 CVT.

The dealer also stated that Chrysler said it was the torque converter "locking up". Then upon acceleration... the "jerk" in the drive-line.

I agree that everthing is computer controlled and therein lies the hope that a re-flashing of the computer will fix the problem.
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post #4 of 27 Old 10-18-2006, 05:46 AM
 
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Torque converter? I don't think there is one in a CVT.
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post #5 of 27 Old 10-18-2006, 08:45 AM Thread Starter
 
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Torque Converter

The following is a quote from an article about the CVT2 transmission in the Dodge Caliber. I assume this is the same CVT2 used in the Compass -

Chrysler Group's CVT2 contributes a 6-8 percent improvement in fuel economy compared with a traditional four-speed automatic transmission. Eliminating upshifts allows the transmission to engage the torque converter clutch almost immediately when accelerating and to keep it engaged throughout speed changes. This eliminates torque converter slippage common in stepped transmissions and results in more efficient operation, especially during city driving
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post #6 of 27 Old 10-18-2006, 11:38 AM
 
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Re: Torque Converter

Quote:
Originally Posted by tripletransit
The following is a quote from an article about the CVT2 transmission in the Dodge Caliber. I assume this is the same CVT2 used in the Compass -
From my understanding, they are basically the same vehicle, so it makes sense...
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post #7 of 27 Old 10-27-2006, 08:07 PM Thread Starter
 
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Just Returned From The Dealer

The transimission was checked out with the following result:

1. All computer readouts indicate the transmission is functioning well.
2. The transmission tech said he observed the transmission to be operating correctly when driving the compass.
3. The transmission tech did acknowledge the jerk in the transition from decleration to acceleration at certain speeds.
4. The tech called Chrysler and they said they are aware of it as other owners have complained.
5. The service writer thinks that at some later date a re-flash of the computer will be issued to correct the problem but could not say when.
6. At this ponit, it seems to be a software only problem.
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post #8 of 27 Old 10-28-2006, 05:00 AM
 
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Re: Just Returned From The Dealer

Quote:
Originally Posted by tripletransit
5. The service writer thinks that at some later date a re-flash of the computer will be issued to correct the problem but could not say when.
6. At this ponit, it seems to be a software only problem.
I've noticed the issue just very very slightly.
But with the way the tranny works, I could see it being a software issue.

Never thought I would have to do a software patch for a car LOL
lets just hope it's not like World of warcraft, where they have to issue a patch, to fix the patch, to fix the other patch..etc..etc
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post #9 of 27 Old 10-28-2006, 05:38 AM
 
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One thing I noticed....

I had disconnected the battery when I installed my overhead DVD player. Now the "jerk" seems to be almost non-existent. It really wasn't bad before. It was just "different" from a regular automatic tranny. But now the "jerk" is a lot less noticable. You might want to disconnect your battery for 15 mins and see if that helps.
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post #10 of 27 Old 10-28-2006, 12:52 PM Thread Starter
 
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Disconnect Battery

Great idea disconnecting the battery! I will give that a try.

A few days before I brought the car in for service the jerk seemed to be lessening. I brought this to the tech's attention and he said the computer controlling the CVT is a learning computer. He said it will change the way the CVT works accoring to my driving habits and that it was possible that this learning ability could reduce the jerking.
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post #11 of 27 Old 10-30-2006, 04:42 AM
 
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Re: Disconnect Battery

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Originally Posted by tripletransit
he said the computer controlling the CVT is a learning computer.
skynet?? /lol
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post #12 of 27 Old 04-10-2007, 09:18 PM
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I noticed that jerk too. I assumed it was part of the CVT. It's really noticable on mine. Anytime I take my foot of the gas you can feel it. It's almost like I have to continually put my foot on the gas to prevent it.

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post #13 of 27 Old 04-11-2007, 02:17 AM
 
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12,200+ km on the Compass and I still have a bit of a jerk. It's not really bad, but noticeable. I'm not worried about it.
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post #14 of 27 Old 04-11-2007, 02:41 PM
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The way I understand it, as I was told, is that yes, it is all computer controlled, and it is a learning computer, but the dealer explained to me that I am not supposed to feel the transmission shift, which I don't, except when I let my foot off the gas, so only in de-celeration, are you going to feel it. I get a little jerk just letting off the gas, but nothing I feel concerned about. I was also told that this is normal.





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post #15 of 27 Old 04-11-2007, 08:20 PM
 
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i only feel the "jerk" at around 30mph, and usually when i first start it up
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post #16 of 27 Old 04-21-2007, 08:22 PM
 
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Our Compas was a Dec. 21, 06 build date. There is no jerk of any kind. However if we floor it and it gets to 6,000 rpm it does not move to the next belt pully or what-ever, I have to let off on the gas so it will move to then next shift. Anyone else have this?



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post #17 of 27 Old 04-22-2007, 02:13 AM
 
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Quote:
Originally Posted by farout
Our Compas was a Dec. 21, 06 build date. There is no jerk of any kind. However if we floor it and it gets to 6,000 rpm it does not move to the next belt pully or what-ever, I have to let off on the gas so it will move to then next shift. Anyone else have this?



farout
Yes, I believe mine does the same thing. It seemed to be happening just once in a while but now I notice it almost every time I drive it. I haven't noticed any jerk either.
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post #18 of 27 Old 04-25-2007, 04:03 PM
 
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I had swung by the dealership yesterday actually and was talking about this. It's got to do with how the belts work for the tranny. Think about if you had a belt running forward on two gears. if all of the sudden you wanted to change the direction of the momentum, it would physically have to stop for a split second, then change direction: the 'jerk'.

I notice a slight one when I'm braking. If I ease off the brake even slightly, I notice a little jerk, or slip. Freaked me out at first, but then got used to it.
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post #19 of 27 Old 05-25-2007, 03:20 AM
 
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Re: Transmission Problem?

Quote:
Originally Posted by tripletransit
At certain speeds, 5 - 25 and around 40 if I back off the gas completely for a few seconds and then accelerate there is a notiecable "jerk" in the drive-line. .[/b]
This jerk you are speaking of, my compass at low speeds 5-25 after you have been off the gas for a few and just tap the gas. The compass launches you and its like the rpm's hang high for a bit mabe 4 -6 seconds. almost feels like a sticky throttle. only has 3500 miles on it. then from dead stop has a noticable hesitation and has stalled completly twice. any one else had this?
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post #20 of 27 Old 05-25-2007, 03:41 AM
 
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I don't believe the jerhing is one bit within normal function of the CVT II. This should be investageted by a thec. who knows what he is doing.
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post #21 of 27 Old 05-25-2007, 11:56 PM
 
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ok, I first found this site to see what compass owners were saying beforw my wife and i made the purchase. I found it very helpful and for that i owe a big debt.
the reason i asked about the jerk or lunge or what ever it is you wish to call it is my wife was pulling into a parking spot at our local store. as she pulled into the lot she allowed the compass to idle thru the lot she found a parking spot next to the building she tapped the gas and then it happened. by it i am talking about the lunge it put her up over the curb and into the building. so after we take care of all the legal police reports insurance info you know all that. we take the car to the dealer we made the purchase from. I talked to the service manager over the phone he was nice but you could hear in his voice when i said the compass leaped forward when you just touch the gas and thats whatcausedthis you could just feel him rolling his eyes. he responded with I have yet to hear of any issues with that on the compass. But today as they have the compass and had a chance to look at it i called him left a message he called me back in good time and told me that there is a number of t.s.b's (technical service bullitens) out for just this issue. How you can go from none to a number of i'll never know. But they had to reflash the computer or reprogram it again however you want to say it.
should i feel that i should not have to pay this deductable? My insurance is going to go up $100.00 + a year. because they knew about this but chose not to tell anyone. I have very mixed feelings about this.
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post #22 of 27 Old 05-31-2007, 04:06 AM
 
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Just got the compass back from the dealer and the informed me of a tsb #18-031-07
here is a link that describes the bulletin... you have to register to see it. If you don't want to register, contact me and i will e mail the form to you. you have to goto the dealer and ask for this work to be done they will not offer it.
http://www.caliberforumz.com/attachm...5&d=1177786251
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post #23 of 27 Old 09-06-2015, 02:42 AM
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Finally fixed

I have been battling with the factory on my 2012 Compass for two and a half years and FINALLY got the transmission replaced and problems solved. The vehicle has always had a "whine" in the trans when it gets warm. After about 6 months I started experiencing the trans temp light coming on and the governor slowing me to a stop. This has gotten more frequent as time went on. I had it in the dealership many times starting about 2 years ago. First they told me it was because I had to do the $50 60,000 mile trans service. I got it done at a local shop for $200. The factory isn't going to sell me an overpriced service before they perform the warranty work they know is due. So after that, the factory told the dealer they needed to pull the code from the car. There has never been a code, even when the light is on. On the 4th or 5th time at the dealer, I pulled in with the light on and the trans singing loud. They hooked up and said there was no code. The factory has said each time that the vehicle is acting as designed. There is no problem. And that I am driving the vehicle "too fast" making the light come on. I asked them to define "too fast". They never did. For me to get home, there is a mountain pass I drive up with an elevation change from 1000 feet to 4500 feet in about 10 miles. Parts of it are steep. (Cajon Pass in southern CA). It got where I could not make it up the pass, no matter how gingerly I drove, without the light coming on. This doesn't seem to me to be "as designed". The service manager at Victorville Motors eventually told me not to come back with this issue anymore because they have spent too much of their time and can't get the factory to approve it. I spoke to an attorney but didn't get warm and fuzzies that I had a case and didn't want attorney fees to eat up more cash. Finally this car as involved in an accident and when I got it back I noticed a knew problem. When you put the car in Drive, it would sometimes not move and would have to shift back to neutral and then to drive again. I told the body shop the history and that there has been a long transmission problem and I didn't want to be dishonest trying to pin all of that on this accident, but that this seemed to be a new issue. The body shop took it to Victorville Motors and they were able to get the factory to approve the trans replacement. I got the car back this week and have put some hard miles on it up and down the pass and it never whined. Never heated. Drove and shifted perfectly. I don't know if this is helpful to anyone else, but wanted to put the whole history out there as it seems this trans issue is common in the Compass and it seems it is common for the factory to deny the warranty and not fix it. I will never buy another Chrysler product because of this. If anyone wants to contact me for more details, I'd be glad to help in any way I can. [email protected]
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post #24 of 27 Old 09-08-2015, 01:03 PM
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A lot of similarity with my CVT. It took me over a year and a half to get mine replaced. It was terrible to drive even as a new vehicle because of the defective CVT. I was also told it was normal. Different symptom but YES JEEP DOES DENY warranty service unless forced to especially on higher ticket parts. They dismiss it as normal and codes don't show up for every problem. That's a fact and all they seem to rely on. It has to be broken before they feel the obligation. It moves and you can drive it good luck.

That's why when I wanted to replace my old Jeep Grand Cherokee 2002. I got a Hyundai Sante Fe AWD. A great vehicle which I enjoy driving. Jeep lost a long term customer as a result of the quality and treatment of the Compass experience. The build quality is horrible. Constant dealer visits for repairs throughout the warranty period. Laughable at times as they threw parts at it so many times.

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post #25 of 27 Old 10-04-2015, 03:50 PM
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People in this thread are talking about the "jerk" at lower speeds/RPMs than I'm noticing. I have a 2008 Compass 2.4L and at highway speeds, when I take my foot off the gas to decelerate, I get this jerk. I'm scared it's the transmission, but I'm going to disconnect the battery and see if that helps.

I've got 110k miles on it and did do the 60k transmission flush and fill. At low speeds/RPMs it's fine.

Is my problem more likely a transmission issue? (Say it isn't so!)
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post #26 of 27 Old 10-06-2015, 06:59 PM
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Quote:
Originally Posted by OhioLaurel View Post
People in this thread are talking about the "jerk" at lower speeds/RPMs than I'm noticing. I have a 2008 Compass 2.4L and at highway speeds, when I take my foot off the gas to decelerate, I get this jerk. I'm scared it's the transmission, but I'm going to disconnect the battery and see if that helps.

I've got 110k miles on it and did do the 60k transmission flush and fill. At low speeds/RPMs it's fine.

Is my problem more likely a transmission issue? (Say it isn't so!)

Hey OhioLaurel,

How long have you been feeling this “jerk,” in your vehicle when decelerating from high way speeds? I would advise you to bring this issue to the attention of your local certified FCA dealership. If the behavior is easy to replicate, the dealer should be able to diagnose your vehicle. If you would like me to look into this further, please private message me your VIN and servicing dealer.
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post #27 of 27 Old 10-11-2015, 04:17 PM
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Quote:
Originally Posted by OhioLaurel View Post
People in this thread are talking about the "jerk" at lower speeds/RPMs than I'm noticing. I have a 2008 Compass 2.4L and at highway speeds, when I take my foot off the gas to decelerate, I get this jerk. I'm scared it's the transmission, but I'm going to disconnect the battery and see if that helps.

I've got 110k miles on it and did do the 60k transmission flush and fill. At low speeds/RPMs it's fine.

Is my problem more likely a transmission issue? (Say it isn't so!)
I'm getting the vibration more now and when its hot it doesn't seem to want to pull at 40 or 50 mph but the rpm's are around 6000
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