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Jeep Grand Cherokee Maintenance and Repair



  • paulepaule Posts: 382
    Wow, AAMCO told him he needed his transmission rebuilt. I didn't see that one coming...........
    Your friend is smart for getting a second opinion.
    Did the techs at AAMCO tell him what the codes were? That may point to why the MIL is coming on.
  • clj1clj1 Posts: 2
    I will definitely find out and get back to you...he's losing it over this one, was completely shocked!!
  • 02jeep02jeep Posts: 1
    Just was going to post a message and see what people thought about my Jeep. I got the jeep in December of 04. I have had to take it in once to get the sway bar bushings replaced. It has 69000 on it and i was just wondering if there is anything i need to look out for in the near future or if there is anything i should replace before it leads to a bigger problem.
  • vonspreckvonspreck Posts: 1
    I've had the same problem with my 97 JGC Laredo. I've tried many of the same things and still had the problem come back. Really curious if anybody knows anything about this. :confuse:


  • jholtjholt Posts: 1
    i have a 1995 jgc and when i am going about 45-55 mph and let off the gas or apply the brakes i get a knocking, shaking, shimmy from the front end. I dont know what it is. i just had the tie-rod ends replaced but still have the same problem.
  • paulepaule Posts: 382
    Search back a few pages and you'll get some advice on the shimmy. The agreed upon MOST possible source is your steering stabilizer (a horizontally mounted shock absorber on your front axle). Steering stabilizers are cheap (around $40 or so) and pretty easy to replace. I'd start there.
  • paulepaule Posts: 382
    I looked at my jeep and I don't see how you can get to the latch except from outside the vehicle. Maybe you can get in there with a screwdriver or try to use what's left of the handle to get it to open.
    I can't see any other way of doing it.
  • flanniganflannigan Posts: 1
    My A/C recently stopped working. I don't think its a freon issue because it seems like it happened all at once (i.e., worked fine one day then stopped blowing out cold air). I had a number of fuses that needed to replaced and thought that might be the issue. However, I haven't been able to find the appropriate fuse. The car blows air out and when the A/C button is pushed its light comes on. However, the air temperature/flow doesn't change at all. Seems like some sort of switch isn't working or something. Any help/suggestions would be appreciated.
  • mstoverinkmstoverink Posts: 22
    It looks like several people have found a fix for this and I was wondering if anyone took any pictures of the the drain hose. I was able to find a picture of it in my Haynes manual, but the picture is taken from under the car looking up at the firewall and there are several things removed when the pic was taken. I can't find any view of that area of the firewall from the engin bay or under the car so if someone has a picture from inside the car it would be a big help. Also, I think/hope it's the same problem...mine is not leaking into the front passanger floor board, it's leaking out of the floor vent into the back passanger side floor board. I assume the problem is still that the same drain tube is clogged, but in my case maybe there is no crack or hole in it. I would just like to have a better idea of exactly what and where this hole needs to be drilled into to remove any blockages. Any help is greatly appreciated and if you have pictures please email them to me at or if you want to post them on the net please let me know where. Thanks.
  • pepster3pepster3 Posts: 1

    I bought by Jeep Grand Cherokee in Oct '04, and shortly after I noticed this. I thought it was nothing, but it continues.

    When I'm on the highway, between 65-75MPH, I'll notice the Engine Revs suddenly drop by about 500RPM (from above 2K to below 2K). The vehicle seems quite sluggish and underpowered when this happens, and it doesn’t stop until I accelerate enough to upshift the transmission, or slow down to below around 60MPH. While it's in this RPM dip, the engine makes a noise like a low whine... It's difficult to describe. If the radio is on or the AC is on above medium, you won't hear it.

    Recently it's been doing this more often, and I'm getting sick of it. I asked the dealer to take a look when I brought it in for regular maintenance, and they gave me some BS about the front bug deflector vibrating and making the noise. I usually cruise at around 68MPH on the highway, so this problem is a constant nuisance.

    What can I Try/Check?
  • If the firewall drain is clogged, water can rise in the box to the point where the next 'drain' is into the duct to the rear footwell. This is how I first discovered trouble in mine ('97 grand). The a/c drain is indeed into the frame, and I put a 3/4" hole into the top of the frame, about 4" fwd of the firewall, thru which can be manipulated a rod to [try to] clear the drain. Presently I have water appearing on the inside surface of the firewall, in vicinity of the drain, which is wetting the carpet and insulation. No real fix in sight short of teardown or putting an inspection hole/alternate drain on the inboard side of the evap.drain sump.
  • um....that 4" dimension is not critical. more like wherever you can conveniently get a drill/holesaw and then pass a nearly-horizontal rod to the drain. 3"-4" is a fair range.
  • xscoutxscout Posts: 141
    Check to see if your compressor clutch is engaging. The "inside" of the compressor pulley should turn as well as the outside when the A/C is turned on. If not, you are not getting current through the wires that connect right behind the pulley. Buying a manual is well worth it (around 15 dollars) when trying to track down electrical problems, but the clutch not engaging and thus not pumping freon is likely the end result of your problem.
  • I have a Jeep CGL 2001. recently the memory module for the seat, mirrors and radio has become erratic!!

    There are times when it ignores the the key fob unlock controller and stays set in the wrong driver mode.

    Also, intermittantly, the set switch on the driver door does not operate to program the two driver positions, or the buttoms will work but in a haywire mode, ie you may press the set button only to have the seat change ot driver 1, then press the driver 1 button, only to have the seat change to driver 2 etc.

    So basically the memory options are all over the place.

    I have tried disconnecting the battery for 30 mins in the vain hope of the memory repowering into a stable condition.... to no avail.

    Am now at a loss as to where to go (besides the dealer) as cannot identify if there is an intermittant connection problem or is the memory module (CA$ 349.00) defective.

    Any suggestions please???

  • mdaddimdaddi Posts: 2
    I have a 1994 JGC 4.0 with major overheating problems. It overheats when I put on the air conditioning. It also overheats in “stop and go” traffic… with the air-conditioning off.

    I changed the thermostat. That did not solve the problem. I changed the water pump and that too did not solve the problem. I changed the rad and that did not solve the problem.

    Recently I changed the head gasket but that too did not solve the problem.

    I am driving around with it WITHOUT the thermostat and while it seems to be UNDERCOOLING- when I stop with the air-conditioning on, it starts to over heat, although not as quickly as before.

    I am desperately seeking any advice as to WHAT could be the problem. Any advice appreciated.

  • doctredoctre Posts: 1
    I too have the same problem :cry: . Mine is in a 96 JGC. Anyway photos of the fixes that all have provided could be shown? Love my JGC. It has 108,000 on it and runs like a little champ. Gets great gas mileage also. Just wish that the water would drain outside and not onto the passenger side floorboards (front and back). BTW - this is a great place to find answers for problems.....Doc
  • xscoutxscout Posts: 141
    This may sound a little obvious, but are you sure there is nothing blocking the airflow through the radiator? A clogged A/C coil in front of the radiator could do this. Also, when you changed the water pump did you put new hoses on? Lower hoses usually have a wire coil inside that keeps them from collapsing from the suction of the water pump. Next time the Jeep is warmed up look underneath and make sure the hose is not collapsed. One last thought, how do you know it is overheating? Is it showing the symptoms of overheating or is that just what the gauge says? If it is just the gauge maybe the problem is the gauge!
  • 59tg59tg Posts: 1
    I have A 98 5.9 GC, the prob. is that when the jeep is cold it shifts kind of hard, and also late as the jeep warms up it tends not to shift at all "stuck in 1st". I have already replaced the VSS and the result is the same when the Jeep sits awhile it will shift, not the greatest but it will shift, as it warms up thought it won't shift at all.
    Could it be a problem with the PCM or maybe a solenoid? Any help would be greatly appreciated.
  • mdaddimdaddi Posts: 2
    Thanx xscout for the reply.

    Last thing-first. When I changed the pump there was a spring in the bottom hose and I left it there. But I will check to make sure the hose is not collapsing when it's hot.

    I will also check to make sure there is nothing blocking the rad.

    In regard to the "clogged A/C coil" located in front of the rad that might be the cause. First time I am hearing about it and so I will definitely check it out.

    Thanx very much for the advice and help. I'll tell you the results.
  • kaden4kaden4 Posts: 2
    I have a 97 JGC Laredo, the same thing happened mid-summer to mine. I took it in to have it charged and they said they didn't see any leaks. It worked for about a month then same thing. I took it back in and they said it would cost about $300.00 because there was a small leak, and I needed a accumulator hose assembly because you can't buy just the hose. I may be incorrect about the part needed, it was last summer. But take it in to be serviced and checked for a leak. Also, I haven't had mine fixed yet, but I was at a wrecking yard looking for parts and talked to the owner about it, and he told me to make sure and not turn on the a/c button anymore while it is not working properly because that would cause further damage. ( not sure about that though) I have also noticed that the air in my vehicle seems warm and muggy when I have just the fan on even with the air to cool. I don't know how much help this will be.
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