Jeep Wrangler 1997 Manual page 998

21 - 92 TRANSMISSION AND TRANSFER CASE
DIAGNOSIS AND TESTING (Continued)
CONDITION
SLIPS IN LOW GEAR D
ONLY, BUT NOT IN 1
POSITION
GROWLING, GRATING OR
SCRAPING NOISES
DRAGS OR LOCKS UP
WHINE/NOISE RELATED TO
ENGINE SPEED
DIAGNOSIS CHART (CONTINUED)
POSSIBLE CAUSES
6. Low Hydraulic Pressure Due to Worn
Pump, Incorrect Control Pressure
Adjustments, Valve Body Warpage or
Malfunction, Sticking Governor, Leaking
Seal Rings, Clutch Seals Leaking, Servo
Leaks, Clogged Filter or Cooler Lines
7. Rear Clutch Malfunction, Leaking
Seals or Worn Plates.
8. Overrunning Clutch Worn, Not
Holding (Slips in 1 Only).
Overrunning Clutch Faulty.
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.
CORRECTION
6. Perform hydraulic and air pressure
tests to determine cause.
7. Air pressure check clutch-servo
operation and repair as required.
8. Replace Clutch.
Replace overrunning clutch.
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.
TJ