Jeep Wrangler 1997 Manual - page 998
DIAGNOSIS CHART (CONTINUED)
CONDITION
POSSIBLE CAUSES
CORRECTION
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
6. Perform hydraulic and air pressure
tests to determine cause.
7. Rear Clutch Malfunction, Leaking
Seals or Worn Plates.
7. Air pressure check clutch-servo
operation and repair as required.
8. Overrunning Clutch Worn, Not
Holding (Slips in 1 Only).
8. Replace Clutch.
SLIPS IN LOW GEAR
9
D
9
ONLY, BUT NOT IN 1
POSITION
Overrunning Clutch Faulty.
Replace overrunning clutch.
GROWLING, GRATING OR
SCRAPING NOISES
1. Drive Plate Broken.
1. Replace.
2. Torque Converter Bolts Hitting Dust
Shield.
2. Dust shield bent. Replace or repair.
3. Planetary Gear Set Broken/Seized.
3. Check for debris in oil pan and repair
as required.
4. Overrunning Clutch Worn/Broken.
4. Inspect and check for debris in oil
pan. Repair as required.
5. Oil Pump Components Scored/
Binding.
5. Remove, inspect and repair as
required.
6. Output Shaft Bearing or Bushing
Damaged.
6. Remove, inspect and repair as
required.
7. Clutch Operation Faulty.
7. Perform air pressure check and repair
as required.
8. Front and Rear Bands Misadjusted.
8. Adjust bands.
DRAGS OR LOCKS UP
1. Fluid Level Low.
1. Check and adjust level.
2. Clutch Dragging/Failed
2. Air pressure check clutch operation
and repair as required.
3. Front or Rear Band Misadjusted.
3. Adjust bands.
4. Case Leaks Internally.
4. Check for leakage between passages
in case.
5. Servo Band or Linkage Malfunction.
5. Air pressure check servo operation
and repair as required.
6. Overrunning Clutch Worn.
6. Remove and inspect clutch. Repair as
required.
7. Planetary Gears Broken.
7. Remove, inspect and repair as
required (look for debris in oil pan).
8. Converter Clutch Dragging.
8. Check for plugged cooler. Perform
flow check. Inspect pump for excessive
side clearance. Replace pump as
required.
WHINE/NOISE RELATED TO
ENGINE SPEED
1. Fluid Level Low.
1. Add fluid and check for leaks.
2. Shift Cable Incorrect Routing.
2. Check shift cable for correct routing.
Should not touch engine or bell housing.
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TRANSMISSION AND TRANSFER CASE
TJ
DIAGNOSIS AND TESTING (Continued)