Dodge RAM 1500 1998 Owner's Manual page 2090

DR
OIL PUMP (Continued)
1 - PUMP HOUSING
2 - SEAL
3 - OIL FILTER SEAL
CONVERTER CLUTCH REGULATOR VALVE
The converter clutch regulator valve is used to con-
trol the hydraulic pressure supplied to the back (ON)
side of the torque converter clutch.
TORQUE CONVERTER LIMIT VALVE
The torque converter limit valve serves to limit the
available line pressure to the torque converter clutch.
STANDARD PROCEDURE - OIL PUMP VOLUME
CHECK
Measuring the oil pump output volume will deter-
mine if sufficient oil flow to the transmission oil
cooler exists, and whether or not an internal trans-
mission failure is present.
AUTOMATIC TRANSMISSION - 45RFE/545RFE
Fig. 99 Oil Pump Reaction Shaft
4 - SEAL RING (5)
5 - REACTION SHAFT SUPPORT
6 - PUMP VALVE BODY
Verify that the transmission fluid is at the proper
level. Refer to the Fluid Level Check procedure in
this section. If necessary, fill the transmission to the
proper level with Mopar ATF +4, Automatic Trans-
mission Fluid.
(1) Disconnect the To cooler line at the cooler
inlet and place a collecting container under the dis-
connected line.
CAUTION: With the fluid set at the proper level,
fluid collection should not exceed (1) quart or inter-
nal damage to the transmission may occur.
(2) Run the engine at 1800 rpm, with the shift
selector in neutral. Verify that the transmission fluid
temperature is below 104.5° C (220° F) for this test.
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