19 - 24
PUMP
POWER STEERING PRESSURE SWITCH (Continued)
REMOVAL
This switch is used only with 4.7L V-8 engine.
The power steering pressure switch is installed in
the power steering high-pressure hose (Fig. 6).
(1) Disconnect electrical connector from power
steering pressure switch.
(2) Place a small container or shop towel beneath
switch to collect any excess fluid.
(3) Remove switch. Use back-up wrench on power
steering line to prevent line bending.
INSTALLATION
This switch is used only with 4.7L V-8 engine.
(1) Install power steering switch into power steer-
ing line.
(2) Tighten to 14–22 N·m (124–195 in. lbs.) torque.
(3) Connect electrical connector to switch.
(4) Check power steering fluid and add as neces-
sary.
(5) Start engine and again check power steering
fluid. Add fluid if necessary.
PULLEY
REMOVAL
CAUTION: On vehicles equipped with the 4.7L, Do
not reuse the old power steering pump pulley it is
not intended for reuse. A new pulley must be
installed if removed.
(1) Remove pump assembly, (Refer to 19 - STEER-
ING/PUMP 4.7L - REMOVAL) OR (Refer to 19 -
STEERING/PUMP 5.2 L & 5.9L - REMOVAL).
(2) Remove pulley from pump with Puller C-4333
(Fig. 7).
INSTALLATION
CAUTION: On vehicles equipped with the 4.7L, Do
not reuse the old power steering pump pulley it is
not intended for reuse. A new pulley must be
installed if removed.
(1) Replace pulley if bent, cracked, or loose.
(2) Install pulley on pump with Installer C-4063-B
(Fig. 8) flush with the end of the shaft. Ensure the
tool and pulley remain aligned with the pump shaft.
(3) Install pump assembly, (Refer to 19 - STEER-
ING/PUMP 4.7L - INSTALLATION) OR (Refer to 19
- STEERING/PUMP 5.2L & 5.9L - INSTALLATION).
Fig. 7 Pulley Removal
1 - POWER STEERING PUMP DRIVE PULLEY
2 - SPECIAL TOOL C-4333
Fig. 8 Pulley Installation
1 - POWER STEERING PUMP DRIVE PULLEY
2 - SPECIAL TOOL C-4063–B
(4) With Serpentine Belts; Run engine until warm
(5 min.) and note any belt chirp. If chirp exists, move
pulley outward approximately 0.5 mm (0.020 in.). If
noise increases, press on 1.0 mm (0.040 in.). Be
careful that pulley does not contact mounting
bolts.
AN