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Jeep Grand Cherokee Maintenance and Repair



  • kipkkipk Posts: 1,576

    You done good. :)

    We left the thermostat out and ran some Prestone Cleaner ( Safe for all metals)through the system for about 20 minutes. . Drained and refilled with clear water 3 times. After the engine was good and cool we filled with clear water and started the engine, and let it run with the drain out and the bleed valve open while feeding water into the radiator, until the draining water was perfectly clear. It took quite a while to get the water clear. Just wanted to get all the cleaner out.

    Installed the thermostat correctly, used a 50/50 mixture of Prestone and the gauge sits just under 210 degrees when warm. Like it is supposed to do.

    FWIW, I'm not crazy about using cleaners in aluminum radiators, but this just seemed to really need it.

    Thanks so much for your help.

  • n0otron0otro Posts: 12
    Is there a fuel sensor on a 4.0L 1996 Jeep Grand Cherokee Laredo?

    Occasionally when I turn the car on, the fuel gauge will read Empty and it will give me the ding to signal that it's time to fill up. The problem is, there is definitely some gas in the car, and generally if you turn the car off, and turn it back on, it will give you the correct reading about how much gas is left.

    I've just changed the oxygen sensor, the throttle position sensor, the Idle air control valve, and the ECM for a multitude of different problems(stalling), so it shouldn't be any of these parts.

    What could the problem be?
  • torneytorney Posts: 3
    driver side window closed on its own as i was driving and now i get no response from any of the controls on the driver side door. controls on the other doors work as well as the remote control. is there a relay switch or fuse that controls the driver side door only
  • rwengrrwengr Posts: 177
    My jeep is a 97. The fuses should be listed inside your owner's manual and there should be a fuse for this function. I believe the fuse is for all power window/door lock modules. You will have to double check.

    Assuming I am right, blown fuse cannot be reason because passenger door works. There is a microprocessor based control module inside your driver door. My recollection is that it cannot be repaired. It has to be replaced as an assembly. This type of part is typically available at a salvage yard local or on the Internet.

    If you work on it yourself, be carefull when you disconnect the wiring harness. The connector will probably be difficult and if you pull on the wires you may damage the connector. Rubber gloves might make it easier to pull on it with your fingers and disconnect (-) of the battery before you work on it.
  • dlt2dlt2 Posts: 1
    My jeep was running fine on Saturday but yesterday when I went to drive it it wouldn't start. The motor tries to turn over but it won't ignite. Now of the gauges are working either. Hooked it to a battery charger and it still will not start any ideas?

  • My kids entered my car thru the tailgate. They unlocked the doors from the inside and the alarm went off. This has happened before, and I did what the manual said, use the key on the driverside door to open and the alarm went off. This time, that didn't happen. What do I do. I don't have a remote start, just the key. Please please help. Thanks!
  • steverstever Posts: 52,683
    Try putting the key back in the door and turning it back and forth twice (or more).
  • wpatterswpatters Posts: 54
    I have had this happen and once you open the door insert the key in the ignition and turn it on. Do not have to start it.
  • I have the same issue with no remote too... I just open the door & start the truck... That usually does it. +<:?)
  • I tried a few things that I read online and nothing seems to work. The security light stays on but the engine won't stay on. I guess I'll have it towed to my mechanic down the street. Bummer though, car maintenance wasn't in my budget this month!. Oh well.
  • I have to replace the radiator in my 96 Grand Cherokee. Any ideas on how difficult this is? It seems to be an easy fix but any help would be appreciated. Thanks!
  • tuggajbtuggajb Posts: 646
    when light stays on the key bfob has not been read

    if you have a bunch of other keys on your key ring remove them and see i that dont work
  • Apparently there is a problem with the cylinder lock on the drive side door. In order to disable the alarm and start the car, all I had to do was use the key in the passenger door. Just and FYI in case anyone has the same problem. Would have been nice if the dealership could have told me this.
  • I also have a 99 JGC abd i found the broken black wire you mentioned here. I also spliced a longer peace or wire and soldered it insulated it with shrinkwrap and electrical tape. No change nothing works still, windows etc.... Did it short and fry something else now. I'm stumped!
  • Hello,
    I have a 2000 jgc with the part time light ON, I try moving the shift to all other positions and set it back in 2wd position and the light still ON, is any way to check if the car is really runing in 4wd part time don't matter if it is set to 2wd or see if the problem is just the part time switch?

    Thank you for any information.
  • smokebeesmokebee Posts: 30
    Jack the rear wheels about an inch clear of the driveway. Crank her up put her in drive. If 4 wheel is on the front wheels will pull her off the jacks. Good luck--use care
    S Swann
  • rwengrrwengr Posts: 177
    It could be the switch, but in my opinion, it is much more likely the cable is out of adjustment or the lever is not connected properly to the cable. Why ?

    I have a 97 2wd with similar problem but with 2wd shift lever. The indicators on the shift lever don't line up. Moving the lever moves an orange plastic dial which is visible through cover with marks. No light, but mine is so far off you can barely see indicator when it is in Park. In your case moving the lever causes mechanical movement of the switch which turns on the light. Same concept. I bought my Jeep in 2000 and I guess over the years the cable stretches.

    I looked at the cable adjustment procedure for mine and concluded it was not worth it. You have to dismantle the shift lever box. The cable from the shift lever goes into the top of the transmission. Using jack stands, it's hard to see up there while laying on your back. In my opinion, you really need a lift.

    The info above should help you begin your investigation even if I am not 100% accurate. My apologies if I am way off target on this, but I would expect the switch to fail (i.e. light does not come on) if the problem was the switch.
  • I recently had a blowout and had 4 new tires installed on my 1999 Grand Cherokee, Laredo. The tire place installed 245/75/R16--later I noticed that the previous tires were 245/70/R16. They assured me it would make no difference. Anybody disagree? Thanks much.
  • tuggajbtuggajb Posts: 646
    wont hurt the tire is about halfinch wider at the tread should look better than the old ones have same size on my 2000 grand
  • Thanks for the advice. You are right, they do look better. Another question--while putting on the spare, my jack broke. Actually, the 2-inch metal piece that fits into the jack, at the end of the crank handle, snapped. Any idea where to get another?
  • :) Is there any special brand or type of anti-freeze recommended for this vehice's coolant?
  • I replaced the wiper switch (on steering column) and still didn't fix delay not working problem. You mentioned a "module" ???

    Thanks again
  • Wipers work fine on 'low', 'high' and 'wash' settings, but not on 'delay' setting(s). Wiring is okay and I (first) replaced the switch on the column but that didn't resolved problem.
    Anyone know whether it might be the 'Ignition Pulse Module' or the 'wiper motor'? I hear there's a circuit inside the motor that controls the 'parking' (including during
    delay cycles).

  • My brake light has gone out a few times...i had the bulb replaced and it worked for a couple of weeks. Now the brake light is out again and when i replaced it it caused the tai light to go out as well. I'm not sure if it's a short or a manufactural problem but i have seen several jeeps with the tail light out. what should i do?
  • tuggajbtuggajb Posts: 646
    go to jeep and replace the bulb holders as the get hot in use and loose there spring contact pressure cost bout 8.00 to 10.00 bucks have replaced all mine
  • you were right on paid 586.00 for ring n pinon plus seals and bearings included I installed new axles n cv joints also 130.00 for parts 75.00 for new brakes n rotors on the front just took for test drive and front left tire seems to be trying to grab at highway speeds herd a squeal like brakes locked up any ideas?
  • tuggajbtuggajb Posts: 646
    take it back to where you hade brakes installed could have a (caleter) hanging up and draging
  • you mean caliper thanks for your help I will take to shop tomorrow
  • :confuse: Alright everybody. I really need help. My 95 JGC isn't starting. I've had a few people say that they think it's not getting any spark. Anyone have any ideas about what else it could be? The plugs, wires, and cap are all new. All the relays are fine. HELP!!!!
  • If it makes no attempt to start, you might try putting a timing light on it, crank it, and look for a spark indication. If you get a spark, the next is fuel. Fuel pump should be audible for a second or 2 back at the tank after turning the key to run. A fuel pressure check is more conclusive but you need "stuff" to make that test.
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