Chrysler RAM TRUCK 2500 1994 Service Manual page 385

8D - 28 IGNITION SYSTEMS
Fig 8 Crankshaft Position Sensor—8.0L ¥-10
Engine—Typical
SENSOR POSITIONED
FLUSH TO CYLINDER BLOCK
J948D-2
Fig. 9 Sensor Removal/Installation—8.0L ¥-10
Engine
CRANKSHAFT
POSITION
J948D-3
Fig. 10 Sensor O-Ring—8.0L ¥-10 Engine
INSTALLATION
(1) Apply a small amount of engine oil to the sen­
sor O-ring (Fig. 10).
(2) Install the sensor into the cylinder block with a
slight rocking action. Do not twist the sensor into po­
sition as damage to the O-ring may result.
CAUTION: Before tightening the sensor mounting
bolt, be sure the sensor is completely flush to the
cylinder block (Fig. 9). If sensor is not flush, dam­
age to the sensor mounting tang may result.
(3) Install the mounting bolt and tighten to 8 N*m
(70 in. lbs.) torque.
(4) Connect sensor wiring harness and lower the
vehicle.
ENGINE COOLANT TEMPERATURE SENSOR
WARNING: HOT, P R E S S U R I Z E D C O O L A N T CAN
C A U S E INJURY B Y S C A L D I N G . C O O L I N G S Y S T E M
MUST B E PARTIALLY DRAINED B E F O R E REMOV­
ING T H E C O O L A N T T E M P E R A T U R E S E N S O R . R E ­
F E R TO G R O U P 7, COOLING S Y S T E M .
R E M O V A L — 3 . 9 L V-6 O R 5 . W 5 . 9 L V-8 ENGINES
The engine coolant sensor is located i n the intake
manifold next to the thermostat housing (Fig. 11).
Fig. 11 Coolant Temperature Sensor—3.9L ¥-6 or
5.2/5.9L ¥-8 Engines—Typical
(1) Partially drain cooling system. Refer to Group
7, Cooling System.
(2) Disconnect electrical connector from sensor
(Fig. 11).
Engines w i t h a i r conditioning:When removing
the connector from sensor, do not pull directly on wir­
ing harness. Fabricate an L-shaped hook tool from a
coat hanger (approximately eight inches long). Place
the hook part of tool under the connector for removal.
The connector is snapped onto the sensor. I t is not
equipped with a lock type tab.
(3) Remove sensor from intake manifold.