Wiper Blade (R & R); Wiper Blade Element (R & R); Wiper Transmission Assembly (R & R); Wiper Motor - Pontiac Fiero 1988 Service Manual

WINDSHIELD WIPER SYSTEMS 8E2-7
G 3 5 2 6 7 - 8 E 1 E
Fig. 10 W i p e r / W a s h e r Multi-Function Lever
1
B( + )
B( + ) B( + ) B( + )
B( + )
B( + )
2
OV OV OV OV OV OV
3
B ( + )
0
B( + ) B( + )
B( + ) B( + )
4
OV OV OV OV
B( + )
OV
3 3 4 9
Fig. 11 Wiper and W a s h e r Multi-function Lever Test
(3/4") or minus 13 mm (1/2"). This checking
procedure should be done on a wet glass surface.
Adjustment
The only adjustment of the wiper arm(s) is to
remove the arm(s) from the serrated transmission
spindle shaft, rotate the arm(s) as required and reinstall
to transmission spindle shaft. Reinspect to ensure
proper blade out-wipe positon.
WIPER BLADE
4~*
Remove or Disconnect
Three methods are used to retain wiper blades to
wiper arms.
1. The first type blade uses an internal spring (Fig.
20). To remove wiper blade, press down on blade,
release spring and remove blade from arm.
2. The second type blade uses a press-type release
lever (Fig. 21). When release lever is depressed,
the blade assembly can be slid off the wiper arm
pin.
3. The third type blade uses an exterior spring (Fig.
22). To remove wiper blade, insert a screwdriver
under spring and then push downward on
screwdriver to raise spring. Blade can then be
removed from arm.
«•«- Install or Connect
• Install blades to the arm, insert blade over pin at
top of arm and press until spring retainer engages
groove in pin.
WIPER BLADE ELEMENT
Three methods are used to retain wiper blade
inserts to wiper blades.
1. One element uses a spring-type retainer on the
end of the blade (Fig. 21). To remove element,
insert and rotate a screwdriver as shown.
2. The second element (Fig. 20) is retained by tabs
on the blade housing. To remove element, bend
housing tip downward and pull element upward
and twist outward when housing tab and element
slot align. Slide element downward until all tabs
are removed through slot.
3. The third element (Fig. 22) is retained by tabs on
the blade housing. Pull housing backwards to
disengage tab; then slide element out of the blade
assembly.
WIPER TRANSMISSION ASSEMBLY
Fig. 23
|«-+| Remove or Disconnect
Remove shroud top vent grille and wiper arms.
Loosen (do not remove) drive link to crank arm
attaching nuts.
Disengage drive link from crank arm.
Remove transmission to cowl panel attaching
screws.
1.
2.
3.
4.
« • « Install or Connect
m To install, reverse removal procedure. Torque
attaching screws and nuts from 7 N-m (64 lbs.
In.).
WIPER MOTOR
Repairs can be made to the wiper motor cover
and pulse board only.
Remove or Disconnect
1. Loosen, do not remove, transmission drive link to
motor crank arm attaching nuts (Fig. 23). Then
detach drive link from motor crank arm.
2. Disconnect electrical leads.
3. Rotate motor up and outward to remove.
-•4- Install or Connect
1. Install motor by placing crank arm through
opening in body (Fig. 24).
2. Replace motor attaching screws and tighten to
5.5 N-m (48 lbs. in.).
3. Install transmission drive link to crank arm
(motor in park position - refer to Fig. 25).
4. Replace shroud top vent grille and wiper arms.
5. Check operation of wiper system.