2003 DODGE RAM sensor

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Page 2106 of 2895

DODGE RAM 2003  Service Repair Manual TRANSMISSION
TEMPERATURE SENSOR
DESCRIPTION
Transmission fluid temperature readings are sup-
plied to the transmission control module by the ther-
mistor (Fig. 266). The temperature readings are used

Page 2125 of 2895

DODGE RAM 2003  Service Repair Manual BOOST VALVE
The boost valve (Fig. 289) provides increased fluid
apply pressure to the overdrive clutch during 3-4
upshifts (Fig. 290), and when accelerating in fourth
gear. The boost valve also serves

Page 2126 of 2895

DODGE RAM 2003  Service Repair Manual (12) Lower valve body, rotate valve body away
from case, pull park rod out of sprag, and remove
valve body (Fig. 292).
DISASSEMBLY
CAUTION: Do not clamp any valve body component
in a vise. This practi

Page 2127 of 2895

DODGE RAM 2003  Service Repair Manual (8) Turn valve body over and remove screws that
attach overdrive/converter solenoid assembly to valve
body (Fig. 295).
(9) Remove solenoid and harness assembly from
valve body (Fig. 296).
(10) Remove

Page 2137 of 2895

DODGE RAM 2003  Service Repair Manual CLEANING
Clean the valve housings, valves, plugs, springs,
and separator plates with a standard parts cleaning
solution only. Do not use gasoline, kerosene, or any
type of caustic solution.
Do not imm

Page 2138 of 2895

DODGE RAM 2003  Service Repair Manual Valve body bores do not change dimensionally with
use. If the valve body functioned correctly when new,
it will continue to operate properly after cleaning and
inspection. It should not be necessary t

Page 2146 of 2895

DODGE RAM 2003  Service Repair Manual (20) Install solenoid assembly and gasket. Tighten
solenoid attaching screws to 8 N´m (72 in. lbs.)
torque.
(21) Verify that solenoid wire harness is properly
routed (Fig. 342). Solenoid harness must

Page 2147 of 2895

DODGE RAM 2003  Service Repair Manual (15) Check and adjust front and rear bands if nec-
essary.
(16) Connect solenoid case connector wires.
(17) Install the transmission range sensor.
(18) Install oil pan and new gasket. Tighten pan
bolt