Dodge Dakota Sport 2001 Service Manual page 1504

AN
AUTOMATIC TRANSMISSION - 42RE (Continued)
CONDITION
SHIFTS DELAYED OR
ERRATIC (SHIFTS ALSO
HARSH AT TIMES)
NO REVERSE (D RANGES
OK)
HAS FIRST/REVERSE
ONLY (NO 1-2 OR 2-3
UPSHIFT)
MOVES IN 2ND OR 3RD
GEAR, ABRUPTLY
DOWNSHIFTS TO LOW
POSSIBLE CAUSES
1. Fluid Level Low/High.
2. Fluid Filter Clogged.
3. Throttle Linkage Mis-adjusted.
4. Throttle Linkage Binding.
5. Gearshift Linkage/Cable
Mis-adjusted.
6. Clutch or Servo Failure.
7. Governor Circuit Electrical Fault.
8. Front Band Mis-adjusted.
9. Pump Suction Passage Leak.
1. Gearshift Linkage/Cable
Mis-adjusted/Damaged.
2. Park Sprag Sticking.
3. Rear Band Mis-adjusted/Worn.
4. Valve Body Malfunction.
5. Rear Servo Malfunction.
6. Direct Clutch in Overdrive Worn.
7. Front Clutch Burnt.
1. Governor Circuit Electrical Fault.
2. Valve Body Malfunction.
3. Front Servo/Kickdown Band
Damaged/Burned.
1. Valve Body Malfunction.
AUTOMATIC TRANSMISSION - 42RE
CORRECTION
1. Correct fluid level and check for leaks if
low.
2. Replace filter. If filter and fluid contained
clutch material or metal particles, an
overhaul may be necessary. Perform lube
flow test.
3. Adjust linkage as described in service
section.
4. Check cable for binding. Check for return
to closed throttle at transmission.
5. Adjust linkage/cable as described in
service section.
6. Remove valve body and air test clutch,
and band servo operation. Disassemble
and repair transmission as needed.
7. Test using DRB® scan tool and repair as
required.
8. Adjust band.
9. Check for excessive foam on dipstick
after normal driving. Check for loose pump
bolts, defective gasket. Replace pump
assembly if needed.
1. Repair or replace linkage parts as
needed.
2. Replace overdrive annulus gear.
3. Adjust band; replace.
4. Remove and service valve body. Replace
valve body if any valves or valve bores are
worn or damaged.
5. Remove and disassemble transmission.
Replace worn/damaged servo parts as
necessary.
6. Disassemble overdrive. Replace worn or
damaged parts.
7. Remove and disassemble transmission.
Replace worn, damaged clutch parts as
required.
1. Test using DRB® scan tool and repair as
required.
2. Repair stuck 1-2 shift valve or governor
plug.
3. Repair/replace.
1. Remove, clean and inspect. Look for
stuck 1-2 valve or governor plug.
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