Installation; Oil Pump Removal; Disassembly; Cleaning - Dodge Intrepid Service Manual

LH
OIL PRESSURE SWITCH (Continued)
(5) Unscrew oil pressure switch from fitting (Fig.
108).
Fig. 108 OIL PRESSURE SWITCH
1 - OIL PRESSURE SWITCH
2 - OIL COOLER FITTING
3 - ELECTRICAL CONNECTOR

INSTALLATION

(1) Apply Mopar Thread Sealant to the switch
threads.
(2) Install oil pressure switch to fitting (Fig. 108).
(3) Hold oil cooler fitting with a wrench and
tighten oil pressure switch.
(4) Connect electrical connector (Fig. 108).
(5) Lower vehicle.
(6) Start engine and check for leaks.
(7) Check engine oil level and adjust as neccessary.
OIL PUMP
REMOVAL
It is necessary to remove the oil pump body to ser-
vice the oil pump rotors.
The oil pump pressure relief valve can be serviced
by removing the oil pan. (Refer to 9 - ENGINE/LU-
BRICATION/OIL PRESSURE RELIEF VALVE -
REMOVAL)
(1) Drain the cooling system. (Refer to 7 - COOL-
ING - STANDARD PROCEDURE)
(2) Remove the radiator fan. (Refer to 7 - COOL-
ING/ENGINE/RADIATOR FAN - REMOVAL)
(3) Remove the accessory drive belts. (Refer to 7 -
COOLING/ACCESSORY DRIVE/DRIVE BELTS -
REMOVAL)
(4) Remove the timing belt. (Refer to 9 - ENGINE/
VALVE TIMING/TIMING
SPROCKETS - REMOVAL)
(5) Remove the crankshaft sprocket. (Refer to 9 -
ENGINE/VALVE TIMING/TIMING
AND SPROCKETS - REMOVAL)
(6) Remove the oil pan. (Refer to 9 - ENGINE/LU-
BRICATION/OIL PAN - REMOVAL)
(7) Remove the oil pickup tube.
(8) Remove the oil pump fasteners. Remove pump
and gasket from engine (Fig. 109).
Fig. 109 OIL PUMP - REMOVAL/INSTALLATION
1 - OIL PUMP
2 - GASKET

DISASSEMBLY

(1) To remove the relief valve, proceed as follows:
(2) Remove cotter pin. Drill a 3.175 mm (1/8 inch.)
hole into the relief valve retainer cap and insert a
self-threading sheet metal screw into cap.
(3) Clamp screw into a vise and while supporting
oil pump body, remove cap by tapping oil pump body
using a soft hammer. Discard retainer cap and
remove spring and relief valve (Fig. 110).
(4) Remove oil pump cover screws, and lift off
cover.
(5) Remove pump rotors.
(6) Wash all parts in a suitable solvent and inspect
carefully for damage or wear (Fig. 111).

CLEANING

(1) Clean all parts thoroughly in a suitable sol-
vent.

INSPECTION

(1) Disassemble oil pump. (Refer to 9 - ENGINE/
LUBRICATION/OIL PUMP - DISASSEMBLY)
(2) Clean all parts thoroughly. Mating surface of
the oil pump housing should be smooth. Replace
pump cover if scratched or grooved.
ENGINE 3.5L 9 - 155
BELT/CHAIN AND
BELT/CHAIN