Jeep 1996 Grand Cherokee Service Manual - page 1161
CONDITION
POSSIBLE CAUSES
CORRECTION
11. Pump Suction Passage Leak.
11. Check for excessive foam on dipstick
after normal driving. Check for loose
pump bolts, defective gasket. Replace
pump assembly if needed.
NO REVERSE (D
RANGES OK)
1. Gearshift Linkage/Cable Misadjusted/
Damaged.
1. Repair or replace linkage parts as
needed.
2. Park Sprag Sticking.
2. Replace overdrive annulus gear.
3. Rear Band Misadjusted/Worn.
3. Adjust band; replace.
4. Valve Body Malfunction.
4. Remove and service valve body.
Replace valve body if any valves or
valve bores are worn or damaged.
5. Rear Servo Malfunction.
5. Remove and disassemble
transmission. Replace worn/damaged
servo parts as necessary.
6. Direct Clutch in Overdrive Worn
6. Disassemble overdrive. Replace worn
or damaged parts.
7. Front Clutch Burnt.
7. Remove and disassemble
transmission. Replace worn, damaged
clutch parts as required.
HAS FIRST/REVERSE
ONLY (NO 1-2 OR 2-3
UPSHIFT)
1. Governor Valve, Shaft, Weights or
Body Damaged/Stuck.
1. Remove governor assembly and clean
or repair as necessary.
2. Valve Body Malfunction.
2. Repair stuck 1-2 shift valve or
governor plug.
3. Front Servo/Kickdown Band
Damaged/Burned.
3. Repair/replace.
MOVES IN 2ND OR 3RD
GEAR, ABRUPTLY
1. Valve Body Malfunction.
1. Remove, clean and inspect. Look for
stuck 1-2 valve or governor plug.
DOWNSHIFTS TO LOW
2. Governor Valve Sticking.
2. Remove, clean and inspect. Replace
faulty parts.
3. Governor Circuit (RE Only) Electrical
Fault.
3. Test using DRB and repair as
required.
NO LOW GEAR (MOVES
IN 2ND OR 3RD GEAR
ONLY)
1. Governor Valve Sticking.
1. Remove governor, clean, inspect and
repair as required.
2. Governor Circuit (RE Only) Electrical
Fault.
2. Test with DRB and repair as required.
3. Valve Body Malfunction.
3. Remove, clean and inspect. Look for
sticking 1-2 shift valve, 2-3 shift valve,
governor plug or broken springs.
4. Front Servo Piston Cocked in Bore.
4. Inspect servo and repair as required.
5. Front Band Linkage Malfunction
5. Inspect linkage and look for bind in
linkage.
NO KICKDOWN OR
NORMAL DOWNSHIFT
1. Throttle Linkage Misadjusted.
1. Adjust linkage.
2. Accelerator Pedal Travel Restricted.
2. Verify floor mat is not under pedal,
repair worn accelerator cable or bent
brackets.
21 - 22
TRANSMISSION AND TRANSFER CASE
ZJ
DIAGNOSIS AND TESTING (Continued)