Jeep Cherokee 2000 Service Manual - page 1434
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.
10. Governor Valve Stuck.
10. Remove and inspect governor
components. Replace worn or damaged
parts.
11. Regulator Valve Stuck.
11. Clean.
12. Cooler Plugged.
12. Flush transmission cooler and inspect
convertor drainback valve.
21 - 134
AUTOMATIC TRANSMISSION—30RH
XJ
DIAGNOSIS AND TESTING (Continued)