How to complete the Drive Cycle for Jeep Cherokee XJ

Credit to Smogtips.com



A. Cold Start - In order to be classified as a cold start the engine coolant temperature must be below 122°F and within 11°F of the ambient air temperature at startup. Do not leave the key ON prior to the cold start or the heated oxygen sensor monitor may not run.


Knocking Noises

  1. Check Starter Bolts
  2. Check Flex Plate Bolts to make sure they are tight
  3. Check for cracks in the Flex Plate


  1. Bad Waterpump especially if it happens at high speed
  2. Worn fan clutch (if overheating at slow speeds) 
  3. Broken or missing fan shroud
  4. Clogged Radiator
  5. Use a 195 degree thermostat.   Don't use anything lower as you will get bad gas mileage.
  6. Air trapped in the upper radiator hose.   Disconnect and burp the system.

Troubleshooting your steering

Infamous Death Wobble

  1. Tires out of balance
  2. Improper tire pressure
  3. Worn tires or broken belts
  4. Bad Alignment
  5. Loose Trackbar bolts at frame or axle end
  6. Worn trackbar bushings
  7. Worn Tierod ends


  1. Loose or worn tie rod ends
  2. Bad alignment
  3. Loose trackbar
  4. Worn tires 
  5. Worn ball joints 

Pulsating steering wheel during turns

  1. Bad axle u-joints in front axle

Whining when turning 

    Chevy S10 Steering Box

    Some XJ owners swap out their steering boxes for a 2004 Chevy S10 steering box.

    1. Same fitment 
    2. Stronger

    S10 vs Durango Box

    1. S10 uses bearings vs Bushings 
    2. S10 comes with an extra bearing
    3. S10 is supposedly stronger than the Durango box


    Power Windows

    Power Windows Not Working

    1. Check the fuses
    2. If only one window doesn't work, its likely the Window Motor that needs to be replaced.

    Slow Power Windows

    If your window takes forever to roll up, lubricate your window tracks.

    XJ Window Parts List

    • 97 and up - 4 door

      • Driver Side front: