Jeep cherokee 2000 Service Manual page 1047

XJ
DIAGNOSIS AND TESTING (Continued)
CONDITION
GROWLING, GRATING OR
SCRAPING NOISES
DRAGS OR LOCKS UP
WHINE/NOISE RELATED
TO ENGINE SPEED
TORQUE CONVERTER
LOCKS UP IN SECOND
AND/OR THIRD GEAR
HARSH 1-2 OR 2-3
SHIFTS
POSSIBLE CAUSES
1. Drive Plate Broken.
2. Torque Converter Bolts Hitting
Dust Shield.
3. Planetary Gear Set Broken/
Seized.
4. Overrunning Clutch Worn/Broken.
5. Oil Pump Components Scored/
Binding.
6. Output Shaft Bearing or Bushing
Damaged.
7. Clutch Operation Faulty.
8. Front and Rear Bands
Misadjusted.
1. Fluid Level Low.
2. Clutch Dragging/Failed
3. Front or Rear Band Misadjusted.
4. Case Leaks Internally.
5. Servo Band or Linkage
Malfunction.
6. Overrunning Clutch Worn.
7. Planetary Gears Broken.
8. Converter Clutch Dragging.
1. Fluid Level Low.
2. Shift Cable Incorrect Routing.
Lockup Solenoid, Relay or Wiring
Shorted/Open.
Lockup Solenoid Malfunction.
AUTOMATIC TRANSMISSION—30RH
CORRECTION
1. Replace.
2. Dust shield bent. Replace or repair.
3. Check for debris in oil pan and repair as
required.
4. Inspect and check for debris in oil pan.
Repair as required.
5. Remove, inspect and repair as required.
6. Remove, inspect and repair as required.
7. Perform air pressure check and repair as
required.
8. Adjust bands.
1. Check and adjust level.
2. Air pressure check clutch operation and
repair as required.
3. Adjust bands.
4. Check for leakage between passages in
case.
5. Air pressure check servo operation and
repair as required.
6. Remove and inspect clutch. Repair as
required.
7. Remove, inspect and repair as required
(look for debris in oil pan).
8. Check for plugged cooler. Perform flow
check. Inspect pump for excessive side
clearance. Replace pump as required.
1. Add fluid and check for leaks.
2. Check shift cable for correct routing.
Should not touch engine or bell housing.
Test solenoid, relay and wiring for
continuity, shorts or grounds. Replace
solenoid and relay if faulty. Repair wiring
and connectors as necessary.
Remove valve body and replace solenoid
assembly.
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