Removing And Installing Return Lube; Installing Of The Pressure Plate; Installing The Rotor; Aligning And Installing The Pump Ring - Chevrolet 1991 Light Duty Truck Repair Manual

3B3-12 POWER STEERIN G
Remove return tube.
A. Five 5/8 Washers
B. One 9/16-12 Nut
C. One 9/16-12 Tap
Figure 36—Removing and Installing Return lUbe
— Inner surface of the pump ring (11) for scoring
or wear.
— Thrust plate (13) and pressure plate (7) for
wear on the plate surfaces.
— If heavy wear is present, or parts are faulty,
replace the entire rotating group.
2. Bearing (18). If the bearing is rough or loose,
replace it.
— Seal (16) for leakage, cracking, or swelling. If
so replace.
3. Driveshaft (17) for excessive burning or scoring.
— Bearing bore for excessive scoring or burning.
Install return tube.
74. Housing
75. Return Tube
F9276
3. Dowel Pin
4. O-Ring Seal
5. Pressure Plate Spring
Figure 38—Installation of the Pin, Seal and
Pressure Plate Spring
L. Mark Top of
Pressure Plate
. O-Ring Seal
6
7. Pressure Plate
Figure 39—Installing of the Pressure Plate
10. Rotor
M. The Counterbore
Faces Drive Shaft
End of Housing
Figure 40—Installing the Rotor
N. Housing Alignment
Indentations
P . Identification Marks
on Pump Ring
12. 0*Ring Seal
Figure 41—Aligning and Installing the Pump Ring
F2156
F2157
10
F2158