Rectangular Motor Washer Pump; Solenoid Assembly; Ratchet Pawl; Ratchet Wheel - Pontiac Grand Prix Service Manual

12A-14
l%g
PONTIAC SERVICE MANUAL
RECTANGULAR MOTOR WASHER PUMP
-
DISASSEMBLY AND ASSEMBLY
To reassemble, reverse above disassembly procedures.
SOLENOID ASSEMBLY
-
RATCHET DOG (Fig 12A-19)
1. Remove the ratchet dog retaining screw. Hold the
spring loaded solenoid plunger in position and care-
fully lift the solenoid plunger assembly and ratchet
dog off the frame of the pump.
2. Separate the ratchet dog from solenoid mounting
plate as required.
RATCHET PAWL
1. Disconnect ratchet pawl spring.
2. Remove ratchet pawl retaining ring and slide
ratchet pawl off cam follower shaft.
RATCHET WHEEL
1. Follow step 1 under SOLENOID
-
RATCHET DOG
DISASSEMBLY.
2. Move-ratchet wheel spring out of shaft groove and
slide ratchet wheel off shaft.
PUMP AND ACTUATOR PLATE ASSEMBLY
1. Remove solenoid assembly
-
ratchet dog, ratchet
pawl and ratchet wheel as outlined in their respective
procedures.
2. To separate the pump and pump actuator plate
from the frame, pull the pump housing in the direction
of the arrow until the grooves in the housing clear the
frame. Then remove the actuator plate from the
.
ratchet wheel and cam follower shafts.
RATCHET D O G
+GROOVES BOTH SIDES
Fig. 12A-19 Exploded View Washer Pump-Rectangular Motor