Dodge RAM 1500 1998 Owner's Manual page 1850

DR
AUTOMATIC TRANSMISSION - 48RE (Continued)
CONDITION
DELAYED ENGAGEMENT
(FROM NEUTRAL TO
DRIVE OR REVERSE)
NO DRIVE RANGE
(REVERSE OK)
POSSIBLE CAUSES
1. Fluid Level Low.
2. Filter Clogged.
3. Gearshift Linkage Mis-adjusted.
4. Torque Converter Drain Back (Oil
drains from torque converter into
transmission sump).
5. Rear Band Mis-adjusted.
6. Valve Body Filter Plugged.
7. Oil Pump Gears Worn/Damaged.
8. Governor Circuit and Solenoid
Valve Electrical Fault.
9. Hydraulic Pressure Incorrect.
10. Reaction Shaft Seal Rings
Worn/Broken.
11. Rear Clutch/Input Shaft, Rear
Clutch Seal Rings Damaged.
12. Regulator Valve Stuck.
13. Cooler Plugged.
1. Fluid Level Low.
2. Gearshift Linkage/Cable
Loose/Misadjusted.
3. Rear Clutch Burnt.
4. Valve Body Malfunction.
5. Transmission Overrunning Clutch
Broken.
6. Input Shaft Seal Rings Worn/
Damaged.
7. Front Planetary Failed Broken.
AUTOMATIC TRANSMISSION - 48RE
1. Correct level and check for leaks.
2. Change filter.
3. Adjust linkage and repair linkage if worn
or damaged.
4. If vehicle moves normally after 5
seconds after shifting into gear, no repair is
necessary. If longer, inspect pump bushing
for wear. Replace pump house.
5. Adjust band.
6. Replace fluid and filter. If oil pan and old
fluid were full of clutch disc material and/or
metal particles, overhaul will be necessary.
7. Remove transmission and replace oil
pump.
8. Test with DRB scan tool and repair as
required.
9. Perform pressure test, remove
transmission and repair as needed.
10. Remove transmission, remove oil pump
and replace seal rings.
11. Remove and disassemble transmission
and repair as necessary.
12. Clean.
13. Transfer case failure can plug cooler.
1. Add fluid and check for leaks if drive is
restored.
2. Repair or replace linkage components.
3. Remove and disassemble transmission
and rear clutch and seals. Repair/replace
worn or damaged parts as needed.
4. Remove and disassemble valve body.
Replace assembly if any valves or bores
are damaged.
5. Remove and disassemble transmission.
Replace overrunning clutch.
6. Remove and disassemble transmission.
Replace seal rings and any other worn or
damaged parts.
7. Remove and repair.
21 - 147
CORRECTION