20 Most Recent 2000 Jeep Grand Cherokee Questions & Answers


You need to pressure test the cooling system. Unless you had the heads magnafluxed or inspected very carefully, there could be minute cracks causing the problem.

This is the #1 problem with any engine where boiling takes place due to the expansion power that steam has the capability of producing.

The cylinder walls could also have cracks in them, there could also be a freeze plug that is leaking slightly, causing the engine to overheat as it can't build the proper pressure.

sometimes it's a better move to get a low mileage used motor, than to attempt to repair one that has high mileage and this type of suspected damage.

good luck

2000 Jeep Grand... | Answered on Sep 30, 2018


Since you have already changed everything that you have, I can not think of anything new that might cause your Jeep to overheat. Are you going by the meter in your vehicle or doing separate temperature measurements? I had a defective temperature gauge that caused me to chase my tail till I did separate measurements.

2000 Jeep Grand... | Answered on Sep 30, 2018


Are you sure the radiator fan is kicking on?

That vehicle has a known problem with fan relays....

2000 Jeep Grand... | Answered on Sep 30, 2018


The smell is way to much fuel in the exhaust and the catalytic converter is overwhelmed, it will overheat and quite possibly start the truck on fire if you don't fix the over fueling problem.

2000 Jeep Grand... | Answered on Sep 30, 2018


grab a hanes book my bumper on mine flung off like sling shot on my 96 it had plastic pegs held it on see if yours the same get the hanes book it helpfull

2000 Jeep Grand... | Answered on Aug 24, 2018


Sounds like the blend door actuator. It separates the driver and passenger side from getting air on the AZC system. Here are some instructions on replacing it:
The passenger side blend door actuator is used on all models equipped with Automatic Zone Control (AZC). This actuator is located on the front of the HVAC housing to the right of the floor panel transmission tunnel and cannot be removed from the passenger compartment without instrument panel or HVAC housing removal.

NOTE: This procedure is for AZC Systems (Passenger side only).

  1. Disconnect and isolate the battery negative cable.
  2. Remove the glove box door. See: Body and Frame\Interior Moulding / Trim
  3. Remove the lower I/P glove box door surround panel.
  4. Remove the dash assembly. See: Body and Frame\Interior Moulding / Trim\Dashboard / Instrument Panel\Service and Repair\Instrument Panel Assembly
  5. Remove the HVAC assembly. See: Housing Assembly HVAC\Service and Repair
  6. Unplug the wire harness connector from the blend door actuator.
  7. Remove the 2 screws that secure the blend door actuator to the HVAC housing.
  8. Remove the blend door actuator from the HVAC housing.
INSTALLATION - AZC (Passenger side only)


  1. In stall the blend door actuator on the HVAC housing and tighten the two mounting screws to 2.2 Nm (20 in. lbs.).
  2. Plug in the wire harness connector to the blend door actuator.
  3. In stall the HVAC unit into the vehicle. See: Housing Assembly HVAC\Service and Repair
  4. Install the instrument panel assembly into the vehicle. See: Body and Frame\Interior Moulding / Trim\Dashboard / Instrument Panel\Service and Repair\Instrument Panel Assembly
  5. Evacuate the HVAC system.
  6. Recharge the HVAC system.
  7. Connect and the battery negative cable.
Hope it helps! If you need more, just send me an email at familyguy77351 at yah I wil be glad to finish helping you with more detail.

2000 Jeep Grand... | Answered on Jun 18, 2018


I want to say thank you for the info, you saved me money and aggravation. Second it took mea little while to figure out what contact I was looking for. So I would like to provide a little more detail to make it easier for others in the future.


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2000 Jeep Grand... | Answered on Mar 08, 2018


Try squeezing as you pull, be gentle

2000 Jeep Grand... | Answered on Jan 30, 2018


I have seen jeep TPS - throttle position sensors cause a surge like you describe , but not with injector circuit code's . The PCM - engine computer controls the injectors by supplying a PWM - pulse width modulation ground . Checking the electrical circuits for those injector's would be the thing to do . Do you know how to test electrical circuit's ? Plus checking the drivers (transistors ) inside the PCM should be done . Could be a wiring or computer problem or even those injectors could be failing .
How to Check Fuel Injector Resistance with Multimeter
How to test fuel injector circuit with basic tools open control wire

2000 Jeep Grand... | Answered on Jan 01, 2018


Rather then guessing an just replacing parts , have a qualified repair shop hook up A/C manifold gauges an check the system . Can tell you what's wrong in just min.
(it is only blowing slightly cool air. I suspect it is the orifice/expansion tube and want to know if I can change it out myself or reair it.)
Don't suspect , that's guessing . test don't guess . Are the A/C pipes going in through the fire wall cold ,have ice on them when A/C is on ?

2000 Jeep Grand... | Answered on Dec 29, 2017


You probably have a poor earth on a rear light cluster, if you can find the earth wire ( often goes to the body close to the lamp) that will be the problem and it will need cleaning or a new terminal putting on.

2000 Jeep Grand... | Answered on Dec 16, 2017


I would say the alternator. The fluctuations when it is running indicate that the regulator inside the alternator is worn out. The overheating is probably because the cooling fan is not running fast enough or at all.

2000 Jeep Grand... | Answered on Dec 16, 2017


HI my name is Elizabeth and a lot of problems with a Jeep Grand Cherokee 97 \\\\\\\\\\\\\\\\\\6 cylinder 4x4 First the mecanic said it was the fuel pump and a sensor it worked for a days or so then it started dieing again on the road now he says its the pc \please Help

2000 Jeep Grand... | Answered on Dec 15, 2017


Your only problem friend, is the temperature sending unit/sensor. Upon cold start, this sensor wil tell the computer to go into cold start mode putting a bit more fuel in and raising the idle a bit to keep it running when cold without using the throttle. Replace that sensor and your good to go. Makes sense, right?

2000 Jeep Grand... | Answered on Dec 07, 2017


You just go to the link I attached I'm sure you will get the solution of your problem
2000 Jeep Grand Cherokee

2000 Jeep Grand... | Answered on Dec 04, 2017


it is as hard as it looks, the book says to take it to the dealer,

2000 Jeep Grand... | Answered on Nov 30, 2017

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