Windshield Washer Disassembly And Assembly - P-Models - GMC G Service Manual

8A-46 CAB ELECTRICAL
WINDSHIELD WASHER
DISASSEMBLY AND ASSEMBLY —
P-MODELS
M Remove or Disconnect (Figure 56)
1. Washer pump cover.
2. Ratchet dog retaining screw (89).
3. Solenoid assembly (90) and ratchet dog (88) off the
pump frame (97).
• Hold the spring loaded solenoid plunger (91) in
position while lifting the solenoid assembly.
4. Ratchet pawl spring (93).
5. Ratchet pawl retaining "E" ring (95).
6. Ratchet pawl (98) from the cam follower Upper Pin
(94).
7. Ratchet wheel spring (99) out of the shaft groove.
8. Ratchet wheel (92) from the shaft.
9. Pump and actuator plate assembly.
• Pull the pump housing away from the drive cam
until the housing grooves (100) clear the frame.
• Lift the cam follower (96) from the ratchet wheel
and cam follower shafts.
10. Four valve assembly screws (85).
11. Valve assembly (86) from the pump housing.
h 4] Install or Connect (Figure 56)
1. Valve assembly (86). To the pump housing (87).
• Be sure that the seal between the pump hous­
ing and the valve plate is properly positioned in
the pump housing and valve plate grooves
100
( ).
• Be sure that the triple seal is properly installed
between the valve body and the pipe assembly.
2. Four valve assembly screws (85).
3. Pump (87) and cam follower (96) assembly to the
frame (97).
4. Ratchet wheel (92) to the shaft.
5. Ratchet wheel spring (99) into the shaft groove.
6. Ratchet pawl (98) onto the cam follower upper pin
(94).
7. Ratchet pawl retaining "E" ring (95).
8. Ratchet pawl spring (93).
9. Solenoid assembly (90) and ratchet dog (88) on the
pump frame (97).
• Hold the spring loaded solenoid plunger (91) in
position while installing the solenoid assembly.
10. Ratchet dog retaining screw (89).
11. Washer pump cover.