Dodge 2001 Ram 1500 Owner's Manual page 2127

21 - 492 AUTOMATIC TRANSMISSION - 46RE
AUTOMATIC TRANSMISSION - 46RE (Continued)
DIAGNOSIS AND TESTING - DIAGNOSIS
CHARTS
The diagnosis charts provide additional reference
when diagnosing a transmission fault. The charts
provide general information on a variety of transmis-
sion, overdrive unit and converter clutch fault condi-
tions.
CONDITION
HARSH ENGAGEMENT
(FROM NEUTRAL TO
DRIVE OR REVERSE)
DELAYED ENGAGEMENT
(FROM NEUTRAL TO
DRIVE OR REVERSE)
DIAGNOSIS CHARTS
POSSIBLE CAUSES
1. Fluid Level Low.
2. Throttle Linkage Mis-adjusted.
3. Mount and Driveline Bolts Loose.
4. U-Joint Worn/Broken.
5. Axle Backlash Incorrect.
6. Hydraulic Pressure Incorrect.
7. Band Mis-adjusted.
8. Valve Body Check Balls Missing.
9. Axle Pinion Flange Loose.
10. Clutch, band or planetary
component damaged.
11. Converter Clutch Faulty.
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.
The hydraulic flow charts in the Schematics and
Diagrams section of this group, outline fluid flow and
hydraulic circuitry. Circuit operation is provided for
PARK, NEUTRAL,
FOURTH, MANUAL FIRST, MANUAL SECOND,
and REVERSE gear ranges. Normal working pres-
sures are also supplied for each of the gear ranges.
1. Add Fluid
2. Adjust linkage - setting may be too long.
3. Check engine mount, transmission
mount, propeller shaft, rear spring to body
bolts, rear control arms, crossmember and
axle bolt torque. Tighten loose bolts and
replace missing bolts.
4. Remove propeller shaft and replace
U-Joint.
5. Check per Service Manual. Correct as
needed.
6. Check pressure. Remove, overhaul or
adjust valve body as needed.
7. Adjust rear band.
8. Inspect valve body for proper check ball
installation.
9. Replace nut and check pinion threads
before installing new nut. Replace pinion
gear if threads are damaged.
10. Remove, disassemble and repair
transmission as necessary.
11. Replace converter and flush cooler and
line before installing new converter.
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.
BR/BE
FIRST, SECOND,
CORRECTION
THIRD,