Wiper Motor Armature End-Play; Wiper Motor Gear End-Plry; Wiper Motor Gear Box - Pontiac Grand Prix Service Manual

12A-10 1969
PONTLAC SERVICE MANUAL
Fig. 12A-12 Installing Gear and Drive Shaft
Depressed Park
WIPER MOTOR ARMATURE END-PLAY
DEPRESSED PARK ADJUST
1. Loosen adjusting screw lock nut and tighten or
loosen adjusting m e w as required until end of screw
barely touches end of armature.
2.
Back off set screw 1 /4 turn and tighten lock nut.
WIPER MOTOR GEAR END-PLRY
DEPRESSED PARK
-
ADJUST
1. Add or remove end-play washers as required to
obtain .006" minimum end-play.
WIPER MOTOR GEAR BOX
RECTANGULAR MOTOR
-
DISASSEMBLY AND
ASSEMBLY
1. Clamp crank arm in a vise and remove crank arm
THROUGH C A M
Fig. 12A.13 Assembling Washer Pump to Wiper
Depressed Park
retaining nut, arm, seal cap, retainer ring, and end
play washers. Fig. 12A- 14.
2. Drill out gear box cover staking p i n g a 1/4" drill
and remove cover from gear box.
CA UTZON: Mark ground strap location for reassembly
purposes.
NOTE: Screws, nuts and lockwashers for reassembling
cover to wiper are contained in a service repair package.
3. Remove washer pump 4 lobe cam, output gear and
shaft assembly, then slide intermediate gear and
pinion and pinion spring washer off shaft.
4. Remove terminal board and park switch assembly
as follows:
a. Unsolder motor leads from terminals.
b. D r i l l out rivets that secure terminal board and park
switch ground strap to cover.
NOTE: Screws and nuts for attaching a replacement
terminal board-park switch are included with
replacement assembly.
For reassembly, reverse steps 1 through 4 above except
as noted:
5. Reassembly of gear cover
-
be sure cover is located
properly over locating dowel pins and be sure to
reinstall ground strap.