1999 Grand Cherokee Trans Question!
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Model: Cherokee
1999 Grand Cherokee Trans Question!
Okay so i bought the jeep about a week ago. When its cold it has trouble shifting from 2nd to 3rd. It will rev up to almost 3-4k and then i have to let off to get it to shift. It will do this (only from 2nd to 3rd) for the first 10-15 mins of driving. Once its warmed up it shifts fine, all oil levels are okay im just new to these and dont know where to start. Any help is appreciated!
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Location: plymouth, oh
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Year: 1996
Model: Grand Cherokee
Engine: 5.2
got this out of the service manual: (i would check in the order listed)
SHIFTS DELAYED OR
ERRATIC (SHIFTS ALSO
HARSH AT TIMES)
1. Fluid Level Low/High. 1. Correct fluid level and check for leaks
if low.
2. Fluid Filter Clogged. 2. Replace filter. If filter and fluid
contained clutch material or metal
particles, an overhaul may be necessary.
Perform lube flow test.
3. Throttle Linkage Misadjusted. 3. Adjust linkage as described in service
section.
4. Throttle Linkage Binding. 4. Check cable for binding. Check for
return to closed throttle at transmission.
5. Gearshift Linkage/Cable Misadjusted. 5. Adjust linkage/cable as described in
service section.
6. Governor Valve Sticking. 6. Inspect, clean or repair.
7. Governor Seal Rings Worn/Damaged. 7. Inspect/replace.
8. Clutch or Servo Failure. 8. Remove valve body and air test
clutch, and band servo operation.
Disassemble and repair transmission as
needed.
9. Governor Circuit (RE Only) Electrical
Fault.
9. Test using DRB and repair as
required.
10. Front Band Misadjusted. 10. Adjust band.
ZJ TRANSMISSION AND TRANSFER CASE 21 - 21
DIAGNOSIS AND TESTING (Continued)
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.
SHIFTS DELAYED OR
ERRATIC (SHIFTS ALSO
HARSH AT TIMES)
1. Fluid Level Low/High. 1. Correct fluid level and check for leaks
if low.
2. Fluid Filter Clogged. 2. Replace filter. If filter and fluid
contained clutch material or metal
particles, an overhaul may be necessary.
Perform lube flow test.
3. Throttle Linkage Misadjusted. 3. Adjust linkage as described in service
section.
4. Throttle Linkage Binding. 4. Check cable for binding. Check for
return to closed throttle at transmission.
5. Gearshift Linkage/Cable Misadjusted. 5. Adjust linkage/cable as described in
service section.
6. Governor Valve Sticking. 6. Inspect, clean or repair.
7. Governor Seal Rings Worn/Damaged. 7. Inspect/replace.
8. Clutch or Servo Failure. 8. Remove valve body and air test
clutch, and band servo operation.
Disassemble and repair transmission as
needed.
9. Governor Circuit (RE Only) Electrical
Fault.
9. Test using DRB and repair as
required.
10. Front Band Misadjusted. 10. Adjust band.
ZJ TRANSMISSION AND TRANSFER CASE 21 - 21
DIAGNOSIS AND TESTING (Continued)
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.
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