Dodge 2001 Ram 1500 Owner's Manual page 2131

21 - 496 AUTOMATIC TRANSMISSION - 46RE
AUTOMATIC TRANSMISSION - 46RE (Continued)
CONDITION
STUCK IN LOW GEAR
(WILL NOT UPSHIFT)
CREEPS IN NEUTRAL
BUZZING NOISE
SLIPS IN REVERSE ONLY
POSSIBLE CAUSES
1. Throttle Linkage Mis-adjusted/
Stuck.
2. Gearshift Linkage Mis-adjusted.
3. Governor Component Electrical
Fault.
4. Front Band Out of Adjustment.
5. Clutch or Servo Malfunction.
1. Gearshift Linkage Mis-adjusted.
2. Rear Clutch Dragging/Warped.
3. Valve Body Malfunction.
1. Fluid Level Low
2. Shift Cable Mis-assembled.
3. Valve Body Mis-assembled.
4. Pump Passages Leaking.
5. Cooling System Cooler Plugged.
6. Overrunning Clutch Damaged.
1. Fluid Level Low.
2. Gearshift Linkage Mis-adjusted.
3. Rear Band Mis-adjusted.
4. Rear Band Worn.
5. Overdrive Direct Clutch Worn.
6. Hydraulic Pressure Too Low.
7. Rear Servo Leaking.
8. Band Linkage Binding.
CORRECTION
1. Adjust linkage and repair linkage if worn
or damaged. Check for binding cable or
missing return spring.
2. Adjust linkage and repair linkage if worn
or damaged.
3. Check operating pressures and test with
DRB scan tool, repair faulty component.
4. Adjust Band.
5. Air pressure check operation of clutches
and bands. Repair faulty component.
1. Adjust linkage.
2. Disassemble and repair.
3. Perform hydraulic pressure test to
determine cause and repair as required.
1. Add fluid and check for leaks.
2. Route cable away from engine and bell
housing.
3. Remove, disassemble, inspect valve
body. Reassemble correctly if necessary.
Replace assembly if valves or springs are
damaged. Check for loose bolts or screws.
4. Check pump for porous casting, scores
on mating surfaces and excess rotor
clearance. Repair as required. Loose pump
bolts.
5. Flow check cooler circuit. Repair as
needed.
6. Replace clutch.
1. Add fluid and check for leaks.
2. Adjust linkage.
3. Adjust band.
4. Replace as required.
5. Disassemble overdrive. Repair as
needed.
6. Perform hydraulic pressure tests to
determine cause.
7. Air pressure check clutch-servo operation
and repair as required.
8. Inspect and repair as required.
BR/BE