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Jeep Grand Cherokee



  • tuggajbtuggajb Posts: 646
    do you change it yourself?
    if so you could have installed the filter wrong has to be installed right
    if you have the 45rfe trans you put the o ring seal on the oil pump then install filter (don't install on filter put on pumppick up) also did you use the right trans fluid? atp type 3 plus or atf type 4 (not dextron Repeat not dextron)
  • I have no idea if I am in the right forum, but I need some help. I bought a 2007 JGC Overland February 11, 2007. As of right now, my Overland is back at the dealer for the 4th time because of the check engine light coming on. Every time I take it in, they tell me that the problem "is the O2 sensor, but it can't be that because we have already replaced it" they keep the car from either 2 days to 7 days and then return it to me. Of course the light is off, but within 2-4 weeeks, the light is on again and back to the dealer I go....... This time, I am dealing with the service manager at the dealer, and a letter will be going direct to corporate back East (I believe) Does anyone have any thoughts??? :lemon:
  • farmer52farmer52 Posts: 61
    Has anyone installed a brake controller on a 2005 Grand Cherokee? I have the factory installed trailer towing package. Is there a connector under the dash? If so, does a Dodge connector work? If no connector, where are the wires located? TIA
  • Has anyone experienced transmission slippage around 70 mph? It seems to slip in and out of overdrive. The transmission works fine shifting through the lower gears and works fine. The fluid level is good and the fluid color is pink (not burnt). Can anyone recommend a solution other than getting the transmission rebuilt? I would like to avoid this expense if possible. Is it necessary to replace the filter when changing the transmission fluid or just go with one of those flushes recommended by the oil change vendors? Any suggestions are appreciated. Thanks in advance.
  • tidestertidester Posts: 10,059
    You may want to give Grand Cherokee Transmission Problems a try.

    tidester, host
    SUVs and Smart Shopper
  • enegmaenegma Posts: 7
    Check when the slipping takes place. Under load when towing and at lower speeds. When it is cold at 70 miles per hour or hot at 70 miles per hour. Does climate affect in anyway? Below 50 degrees F or above 80 degrees? You need to pay close attention to when it happens. Your statement leaves out the conditions when you experienced the problem. Verify this first.

    Then depending on your mileage and whether you are towing a boat on a regular basis, yes changing the fluid and filter is the best idea. Even flushes require a filter change. Do that second.

    Then if it still occurs....

    Your problem could be the Transmission control switch or sensor that talks to the computer in your vehicle. If it is intermittent(electrical connection) or temperature sensitive(i.e. only slipping when transmission is running hot or cold, or when transitioning from cold running to warm running to normal operating temperature)it could cause the problem your having. However you will need a dealer or transmission shop to verify it. Dusty road conditions, vibration, water, sandy conditions could make the connections intermittent. The transmission control switch is usually located under the vehicle mounted to the transmission housing. If it does not do it at low speeds, have a mechanic check for loose connections or even shorted wiring harness that could be touching the engine chassis.

    Talk to a mechanic about the issue using my recommendations and write down what you observe. Then that will give him a better idea of where to look. Chances are your transmission will not need to be rebuilt. This is just 2007.You model year was built in 2004. Transmission don't go out in 3 years. If your vehicle has something is really wrong. :lemon: I hope what I have stated helps. :)
  • This condition occurs during regular driving on the streets or freeways at anytime the speed gets above the range where it should shift into overdrive (55 ~ 65mph). The slipping is only in and out of overdrive after the car has warmed up (normal operating temp). The average outdoor temp range is 55 - 75 this past week when the problem began.

    I've read a few other experiences where the transmission filter should be changed and the "O" ring installed properly. Is anyone familiar with this solution?
  • enegmaenegma Posts: 7

    Yes, there are two seals or O-Rings for the overdrive piston in your transmission. If they are worn they need to be replaced. Since the speed range you mentioned between 55-75 will engage the overdrive, this is a area that could cause the problem. The short answer is to service the Overdrive Clutch Unit. That will require the transmission to be removed and this unit removed to be rebuilt. Inside this unit it has many seals and O-Rings that affect the overdrive unit. Here is the list:

    Overdrive Clutch-Clutch Pack Worn- rebuild of clutch pack
    Overdrive Piston or Seal malfunction-Either a worn piston or seal(Transmission must be disassembled)
    Overdrive Piston-Retainer Bleed Orifice worn (Transmission must be disassembled)
    Overdrive Shift valve,Timing Valve or accumulator malfunction- Valve body has worn accumulator seals requires overhaul of valve body

    Only two conditions require the transmission to be disassembled. Either way it is not going to be cheap.

    I would replace the filter and fluid immediately and drive under the same conditions you mentioned as see if that corrects the problem. :confuse: If not then the other issues need to be explored further. :sick:
  • Can someone tell me what all the differences between the 07 and 08 nav are? other than the hard drive.
  • verdugoverdugo Posts: 2,282

    Search is your friend. The above page has the changes for 2008.

    And as a bonus it won't get my post deleted :)
  • I will never get why people reply "use google", "search is your friend", "why do you want to do that". If you don't know the answer then don't reply. I already spent some time searching and then I thought the answer will probably be better from an actual owner.
    I am looking for a comprehensive comparisons between the two nav systems. One is hard drive based, the other is not, what else? I have seen nav systems that all they do is nav and I have seen some that will give you info about the car, control the temperature, etc.

    So I want to know, is it worth spending the money on an 08 with nav if nav is a very important feature to me? or will the 07 with nav do just fine for me?
  • verdugoverdugo Posts: 2,282
    There is a very good website that is dedicated only to the WK Jeep. When I was buying, I found it by searching on google. My previous post got deleted, so I won't mention the site again.

    Only you can decide if it's worth it or not. For me it was.

    MyGig navigation and bluetooth is very cool (and free at the moment due to a Jeep promotion). The hard drive should be faster than the DVD version. Plus you can upload your own songs. However, I never used the 07 Navi.

    The HID lights were a must for me, so the 07 was not even an option. For you the lights might not be as important.

    The interior is supposed to be nicer in the 08s than in the 07s. I didn't see the 07, but I quite like the 08.

    Finally, I got the new generation 4.7L, which is more powerful and more efficient than the 07.

    For me, it was a no brainer decision to go with the 08. For you? I have no idea. You can't go wrong either way.
  • Thanks for the reply, much more helpful :-)

    Does the bluetooth (the other must have feature for me) interact with the navigation screen at all?
    Is the 4.7L e85 always or do you have to request it like that? On the old jeep I think you had the option for it not to be e85 at no cost which I never understood why wouldn't you want it to also do e85 if it was the same cost.
  • verdugoverdugo Posts: 2,282
    As I found out the hard way, the E85 option is not available in all states. Very very small print on the Jeep website says that "* Flexible-fuel engine not available in CA, VT, NY, MA, ME, RI, CT and PA. " I'm in CA. It's standard in the rest of the states.

    Yes, the bluetooth interacts with the navigation screen. When you look up POI, it has an option to call. Is that what you meant?
  • Wow thats odd, I'll have to make sure I don't buy the car in any of those states.

    I guess now I have to read to see what people have been getting as price for the limited trim with nav, towing, 4x4. I am hoping to get it close to invoice before the rebates, we'll see.
  • I am strongly considering a 2008 GC Limited. However, I know that they have had a long running problem with front brake rotors warping. Does anyone know if this problem still exists?

  • verdugoverdugo Posts: 2,282
    That's exactly the car I factory ordered. I got invoice minus $3000 rebates and free MyGig. Several dealers were willing to match that price and there was no trade involved.

    I've heard of several people in other forums (which shall not be mentioned here :-) for $500 under invoice.
  • verdugoverdugo Posts: 2,282
    I am strongly considering a 2008 GC Limited. However, I know that they have had a long running problem with front brake rotors warping. Does anyone know if this problem still exists?

    The latest brake recall didn't affect the 08s. And it was just b/c some rotors were manufactured with weak materials. As far as I know there was no warping involved in the recall.
  • kmausskmauss Posts: 74
    Hello! I am a single lady who has always owned sedans, and is contemplating a switchover some time in the next year or two to an SUV for several reasons -- hauling capacity, bad weather driving and because I've gotten to like the feeling of sitting up higher while driving. Part of me has always secretly wanted a Jeep. However, I have had two radically different sets of experiences - not personal, just friends and family. My brother has a Jeep Wrangler he bought new in 1977 and still has to this day. The poor thing has almost 250,000 miles on it, and still putts along. On the other hand, I've had two cousins and a friend who have bought Jeeps (all Cherokees, I think ) and have sworn NEVER AGAIN because they've had nothing but problems. I have heard the same sorts of things in passing from many other people.

    It seems that people either have the Jeep that will run absolutely forever with no big issues, or they have a nightmare, and nothing in between. Am I exaggerating or not understanding the issue? I would LOVE to have a vehicle that if maintained well, I could just depend on for about the next 15 years.

    What say you, Jeep Cherokee owners? Is it a matter of good maintenace, or is it a matter of luck what you end up with? Was there a run of a few bad years and the bugs are ironed out? Is it certain models?

    Not looking at trading vehicles any time soon, just considering all my options. Info and opinions appreciated!

    Many thanks! :)
  • verdugoverdugo Posts: 2,282
    HI there. Reliability has improved quite a bit. The latest generation (WK) came out on 2005. buying a first year models are always a bad idea -- regardless of the car.

    I have a 2008 and not only has it been very reliable, it's been a great pleasure to drive. They have lifetime powertrain warranty.

    There's going to be a redesign in 2010. Not sure how different it will be from today's model because of gas prices, etc. If you like the current one, you might want to pull the trigger for a 2009 at the latest. Remember, don't buy a first year model :)

    Best of luck. It is an awesome SUV. My only regret is not getting the Quadradrive II (I "just" have Quadratrack II).

    Feel free to ask any questions. And don't rely on my opinion. Do your research. Oh, and as a bonus it's an awesome time to get a great price on one right now.
  • kmausskmauss Posts: 74
    Thank you Verdugo! I would probably be looking at next year at the earliest -- it wouldn't financially make sense right now no matter how good the deals are. I'm only a little over a year into a 3 year lease, so I'd be eating a good chunk of very low lease payments. I got caught by surprise last spring -- I had a car that was having major problems and I had to make a fast decision or spend a ton of money, so I didn't have much time to do any kind of research or even test driving. :sick: So having the luxury of a car under warranty and VERY low payments, I want to take full advantage of the time to look around and make sure when I trade again, I get exactly what I want.

    By the way, that Lifetime Powertrain Warranty -- how good is it? How much does it cover? It sounds good in theory, but if it doesn't cover some major 'stuff' that can go wrong, what's it worth?

    Anyway, thanks again and hope to hear from other owners. Much appreciated! :)
  • My 2003 jeep seems to be doing the same thing. Did you ever find out what the problem was? No one has been able to help, check engine light has just come on. Auto Zone could not tell me anything, no code showed up on computer.
  • verdugoverdugo Posts: 2,282
    By the way, that Lifetime Powertrain Warranty -- how good is it? How much does it cover? It sounds good in theory, but if it doesn't cover some major 'stuff' that can go wrong, what's it worth?

    It covers everything related to the drive train. It is only applicable to the first owner, you can't transfer it when you sell the car. It requires a free inspection every 5 years.

    Check this out.
  • I'm considering buying a used 2005 grand Cheroke, the car has been kept immaculate, serviced regularly,but it has 95,000 miles on it. Are jeeps known to run long after 100,000? I'm looking at it to be my daughters first car so it needs to be dependable. any input would be appreciated!!
  • trek87trek87 Posts: 49
    I have a '98 GC with 142K. Still runs like new, but I've been pretty religious about preventative maintenance. I won't drive anything else in the snow.

    Good luck.
  • tuggajbtuggajb Posts: 646
    have 2000 jgc has 193000 miles and no prob service my self
  • mikeyp53mikeyp53 Posts: 55
    I have a Grand Cherokee 2004 with V8. Still under 7/70 warranty for drivetrain. Chrysler has never quibbled about my two warranty issues, steering cloumn and front differential. Make sure you keep you repair bills and you are fine. You need to show your repair/maintenance records for the 5 year inspection. Real question is when they go bankrupt, how long is a lifetime?
  • When trying to exit the car the key gets stuck in the ignition. The key will start the car, and then stop the car, but won't come out of the ignition. It is stuck in the position just before the accessories are turned on.
  • I had the same thing happen on my 4th day of ownership, then a locksmith told me to remove the rubber cover over the shifter's button you press to shift gears. It gets stuck and won't completely go into park so the key won't come out. So simple. But worth the $25 the locksmith charged to come out.
  • Well finely, I have a problem with my WJ, it wont start'' at all ''LOL''' really, :sick: My old manual said if you dont hear the fuel pump then check the relays and fuse's and if your pretty confedient, that's not it replace the fuel pump, Well I checked and re- checked , and replace the fuel pump, and that's still not it'' I found the right colored wire's to the fuel pump and jumped it, at the relay box'' or ''PDC''' and tryed to start it, Well theres to many things going on here ! . Theres no code's, no guage's and I thought for sure at least'' I could here it start . there's no fire'' So now it look's like, the PCM I need some help
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