ELECTRICAL-BODY AND CHASSIS 12-45
Fig.
61 - Wiper Motor and Linkage — Chevelle
to cowl (one side), remove transmission from under
dash.
4.
To install new transmission, reverse above
procedure.
NOTE:
Check and replace gasket if necessary.
Use waterproof cement to seal screw holes.
WIPER MOTOR ASSEMBLY
REMOVAL AND INSTALLATION
Chevrolet and Comoro (Fig. 59 and 60) .
1.
Make certain motor is in park position.
2.
Disconnect washer hoses and electrical connectors
from assembly.
3.
On Chevrolet models, remove plenum chamber side
cover and loosen huts retaining drive rod ball stud
to crank arm.
4.
Remove three motor retaining bolts and motor. On
Camaro models, pull wiper motor assembly from
Fig.
63 - Wiper Motor Removal — Chevy II
cowl opening and loosen nuts retaining drive rod ball
stud to crank arm.
5. Check sealing gaskets at motor and retaining bolts,
replace as necessary.
6. Position motor assembly to cowl and install retain-
ing bolts. On Camaro models, attach crank arm to
transmission rod.
CAUTION: Motor assembly must be in the
park position prior to installation to cowl. Do
Fig.
62 - Wiper Transmission Removal --. Chevy II
Fig.
64 - Non-Depressed Park Wiper
CHEVROLET CHASSIS SERVICE MANUAL
ELECTRICAL-BODY AND CHASSIS 12-47
1
1
Fig.
66 - Washer Pump - Attach Screws
WIPER MOTOR ASSEMBLY
DISASSEMBLY
Gear Box (Fig. 65}
1.
For wipers equipped with a washer pump, remove
the two washer pump mounting screws (fig. 66) and
lift pump off washer.
2.
Remove washer pump drive cam as required (fig.
67).
The cam is pressed on the shaft but can be
4-LOBE CAM
WASHER PUMP DRIVE
(PRESS FIT)
BRUSH HOLDER
REMOVE BRUSH SPRING FROM SLOT
AND PUCE IT IN GROOVE ASSHOWN
Fig.
68 - Releasing Brush Spring Tension
wedged off by using two screw drivers between cam
and plate.
3.
Clamp crank arm in a vise and remove crank arm
retaining nut.
CAUTION: Failure to clamp crank arm may
result in stripping of wiper gears*.
4.
Remove crank arm, seal cap, Tru-Arc retaining
ring, and end-play washers.
NOTE:
Seal cap should be cleaned and re-
packed with a water-proof type grease before
reassembly.
5. Drill out gear box cover retaining rivets, remove
cover from gear train.
Fig.
67 - Washer Pump Drive Cam
Fig.
69- End Play Wave Washer Installation
CHEVROLET CHASSIS SERVICE MANUAL
