Jeep Wrangler 1997 Manual - page 993
DIAGNOSIS CHART
CONDITION
POSSIBLE CAUSES
CORRECTION
HARSH ENGAGEMENT
FROM NEUTRAL TO DRIVE
OR REVERSE
1. Fluid Level Low
1. Add Fluid
2. Throttle Linkage Misadjusted
2. Adjust linkage - setting may be too
long.
3. Mount and Driveline Bolts Loose
3. Check engine mount, transmission
mount, propeller shaft, rear spring to
body bolts, rear control arms,
crossmember and axle bolt torque.
Tighten loose bolts and replace missing
bolts.
4. U-Joint Worn/Broken
4. Remove propeller shaft and replace
U-Joint.
5. Axle Backlash Incorrect
5. Check per Service Manual. Correct
as needed.
6. Hydraulic Pressure Incorrect
6. Check pressure. Remove, overhaul
or adjust valve body as needed.
7. Band Misadjusted.
7. Adjust rear band.
8. Valve Body Check Balls Missing.
8. Inspect valve body for proper check
ball installation.
9. Axle Pinion Flange Loose.
9. Replace nut and check pinion
threads before installing new nut.
Replace pinion gear if threads are
damaged.
10. Clutch, band or planetary
component Damaged.
10. Remove, disassemble and repair
transmission as necessary.
11. Converter Clutch (if equipped)
Faulty.
11. Replace converter and flush cooler
and line before installing new converter.
DELAYED ENGAGEMENT
FROM NEUTRAL TO DRIVE
OR REVERSE
1. Fluid Level Low.
1. Correct level and check for leaks.
2. Filter Clogged.
2. Change filter.
3. Gearshift Linkage Misadjusted.
3. Adjust linkage and repair linkage if
worn or damaged.
4. Rear Band Misadjusted.
4. Adjust band.
5. Valve Body Filter Plugged.
5. Replace fluid and filter. If oil pan and
old fluid were full of clutch disc material
and/or metal particles, overhaul will be
necessary.
6. Oil Pump Gears Worn/Damaged.
6. Remove transmission and replace oil
pump.
7. Hydraulic Pressure Incorrect.
7. Perform pressure test, remove
transmission and repair as needed.
8. Reaction Shaft Seal Rings
Worn/Broken.
8. Remove transmission, remove oil
pump and replace seal rings.
9. Rear Clutch/Input Shaft, Rear Clutch
Seal Rings Damaged.
9. Remove and disassemble
transmission and repair as necessary.
TJ
TRANSMISSION AND TRANSFER CASE
21 - 87
DIAGNOSIS AND TESTING (Continued)