Brush Spring Rectangular Motor; Exploded View Pump Assembly-Recess Park - Pontiac Grand Prix Service Manual

WINDSHIELD WIPERS
12A-13
BRUSH HOLDER
R E M O V E B R U S H SPRING F R O M S L O T
AND PLACE IT IN GROOVE A S SHOWN
1. Remove ratchet wheel, ratchet wheel dog, ratchet
pawl and spring.
2. To release' the plastic pump housing from the sheet
metal base,
pull
it
in
the direction toward the valve
end until the housing grooves clear the sheet-metal
base. Next, detach the assembly from the cam-follower
pin (Fig. 12A- 18).
PISTON
1. Remove valve.
Fig.
12-1 7 Brush Spring Rectangular Motor
VALVE
1. Note position of valve relative to the pump housing
for reassembly, then remove four screws that secure
valve to housing.
2. Remove housing-to-valve-body gasket and save for
reassembly.
2. Remove front of piston containing sea! from
housing.
3. Remove rear of piston and spring by turning
90"
to
separate from actuator plate.
To reassemble, reverse abow disassembly procedures.
RELAY
ARMATURE
RATCHET D O 0
PAWL
PISTON SEAL
ACTUATOR PLATE
Fig. 12A-18 Exploded View Pump Assembly-Recess Park