Dodge Ram Truck 1500-2500-3500. Manual — part 1690
10. Install the TRS selector plate (1) onto the valve
body and the manual valve.
11. Position the detent spring (2) onto the valve body.
12. Install the screw to hold the detent spring (2) onto
the valve body. Tighten the screw to 4.5 N·m (40
in. lbs.).
13. Install new clutch passage seals (3) onto the
valve body, if necessary.
14. Install the solenoid and pressure switch assembly
onto the valve body.
15. Install the bolts (1) to hold the solenoid and pres-
sure switch assembly onto the valve body. Tighten
the bolts to 5.7 N·m (50 in. lbs.). Tighten the bolts
adjacent to the arrows cast into the bottom of the
transfer plate first.
21 - 692
AUTOMATIC TRANSMISSION - 45RFE/545RFE - SERVICE INFORMATION
DR/DH
INSTALLATION
1. Check condition of seals on valve body and the
solenoid and pressure switch assembly. Replace
seals if cut or worn.
2. Place TRS selector plate in the PARK position.
3. Place the transmission in the PARK position.
4. Lubricate seal on the solenoid and pressure switch
assembly connector with petroleum jelly.
5. Position valve body in transmission and align the
manual lever on the valve body to the pin on the
transmission manual shift lever.
6. Seat valve body in case and install one or two
bolts to hold valve body in place.
7. Tighten valve body bolts alternately and evenly to
12 N·m (105 in. lbs.) torque.
CAUTION: The primary oil filter seal MUST be fully
installed flush against the oil pump body. DO NOT
install the seal onto the filter neck and attempt to
install the filter and seal as an assembly. Damage
to the transmission will result.
8. Install a new primary oil filter seal in the oil pump
inlet bore. Seat the seal in the bore with the butt
end of a hammer, or other suitable tool.
9. Place replacement filter (1) in position on valve
body and into the oil pump.
10. Install screw to hold filter to valve body. Tighten
screw to 4.5 N·m (40 in. lbs.) torque.
11. Connect the solenoid and pressure switch assem-
bly connector.
12. Install oil pan. Tighten pan bolts to 12 N·m (105 in. lbs.) torque.
13. Lower vehicle and fill transmission with Mopar
T
ATF +4.
14. Check and adjust gearshift cable, if necessary.
DR/DH
AUTOMATIC TRANSMISSION - 45RFE/545RFE - SERVICE INFORMATION
21 - 693
AUTOMATIC TRANSMISSION - 48RE - GAS - ELECTRICAL
DIAGNOSTICS
TABLE OF CONTENTS
page
page
AUTOMATIC TRANSMISSION - 48RE - GAS -
ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
P0711-TRANS TEMP SENSOR, NO TEMP
RISE AFTER START (GAS) . . . . . . . . . . . . . 695
P0712-TRANS TEMP SENSOR VOLTAGE
TOO LOW (GAS) . . . . . . . . . . . . . . . . . . . . . 700
P0713-TRANS TEMP SENSOR VOLTAGE
TOO HIGH (GAS) . . . . . . . . . . . . . . . . . . . . . 706
P0720-LOW OUTPUT SPEED SENSOR -
RPM ABOVE 15 MPH (GAS) . . . . . . . . . . . . 714
P0740-TORQ CON CLU, NO RPM DROP AT
LOCKUP (GAS) . . . . . . . . . . . . . . . . . . . . . . 720
SOLENOID/TRANS RELAY CIRCUITS . . . . . 724
P0748-PRESSURE SOL CONTROL/TRANS
RELAY CIRCUITS (GAS) . . . . . . . . . . . . . . . 731
P0751-O/D SWITCH PRESSED (LO) MORE
THAN 5 MINUTES . . . . . . . . . . . . . . . . . . . . 739
P0753-TRANS 3-4 SHIFT SOL/TRANS
RELAY CIRCUITS (GAS) . . . . . . . . . . . . . . . 742
P0783-3-4 SHIFT SOL, NO RPM DROP AT
LOCKUP (GAS) . . . . . . . . . . . . . . . . . . . . . . 750
(GAS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 754
TARGET @ 35 - 40 PSI (GAS) . . . . . . . . . . . 759
P1757-GOV PRESS ABOVE 3 PSI IN GEAR
WITH 0 MPH (GAS) . . . . . . . . . . . . . . . . . . . 767
VOLTS TOO LOW OR HIGH (GAS) . . . . . . . 774
P1763-GOVERNOR PRESSURE SENSOR
VOLTS TOO HI (GAS) . . . . . . . . . . . . . . . . . 780
P1764-GOVERNOR PRESSURE SENSOR
VOLTS TOO LOW (GAS) . . . . . . . . . . . . . . . 787
P1765-TRANS 12 VOLT SUPPLY RELAY
CONTROL CIRCUIT (GAS) . . . . . . . . . . . . . . 792
(GAS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 799
PRE-DIAGNOSTIC TROUBLE SHOOTING
PROCEDURE - 48RE GAS . . . . . . . . . . . . . . 804
TRANSMISSION VERIFICATION TEST VER -
1 (GAS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 805
AUTOMATIC TRANSMISSION - 48RE - GAS - ELECTRICAL
DIAGNOSTICS
DIAGNOSIS AND TESTING
21 - 694
AUTOMATIC TRANSMISSION - 48RE - GAS - ELECTRICAL DIAGNOSTICS
DR/DH
P0711-TRANS TEMP SENSOR, NO TEMP RISE AFTER START (GAS)
DR/DH
AUTOMATIC TRANSMISSION - 48RE - GAS - ELECTRICAL DIAGNOSTICS
21 - 695
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