GMC 1982 Light Duty Truck Service Manual page 166

2D-4 BODY
Front End
W indshield W ip e r s ..........................................................2D-4
G love B o x .........................................................................2D-5
R ear View M ir r o r s ..........................................................2D-5
Body G lass
W indshield G lass ............................................................2D -6
Stationary Body G la s s ................................................. ..2D -9
Doors
A d ju s tm e n ts .....................................................................2D -9
F ront Side D o o r ............................................................ ..2D-10
R e p la c e m e n t.............................................................. ..2D-10
H i n g e s ......................................................................... ..2D-10
V en tilato r.......................................................................2D-11
W indow and R egulator .......................................... ..2D-12
L o cks, H andles, R o d s ............................................ ..2D-14
W e a th e rs trip ............................................................ . 2D-15
R ear Side D o o r s ............................................................ ..2D-15
R e p la c e m e n t.............................................................. ..2D-15
Fig. 2D-7~Windshield Wipers
W INDSHIELD WIPERS
W indshield wiper units on all models are of the two-
speed electric type. A single wiper motor unit, m ounted to
the left side of th e dash
c o m p artm en t, pow ers both w iper arm s. T he w iper arm
operating link rods and pivot m ountings on these models are
located in the outside air inlet plenum cham ber.
A rm A djustm ent
To adjust sweep of blades, turn on wipers and note
sweep of arm s. If necessary, remove one or both arm s as
follows:
O N VEHICLE SERVICE
C-K M O D E L S
I N D E X
FRONT END
panel inside the engine
H in g e s ......................................................................... ..2D-15
S tationary G lass . . ................................................... ..2D-15
W indow and R egulator .......................................... ..2D-17
L ocks, H andles, R o d s ............................................ ..2D-17
W e a th e rs trip .............................................................. ..2D-18
R ear D oors
A d ju s tm e n ts .....................................................................2D-18
L o ck s, H andles, Rods . . : .......................................... ..2D-18
H in g e s ................................................................................2D-18
E n d g a te s ................................................................................2D-20
T ailgates................................................................................ ..2D-26
R em ovable Top (U tility) ...................................... .............2D-27
Seat Belts ..............................................................................2D-29
Seats .................................................................................... ..2D-29
Body M ounting ..................................................................... ..
A pplique P r o c e d u r e s ..........................................................2D-30
A dhesive Body Side M o ld in g s ........................................2D-30
Pull outer end of arm away from glass which will trip
lock spring at base of arm and release spring from undercut
of pivot shaft. W hile holding arm in this position, pull
outw ard on cap section at base of arm to remove arm . A rm
can be reinstalled in any one of several positions due to
serrations on pivot shaft and in arm cap. See figure 2D-7.
W ip er A rm Pivot Shafts and Linkage
Rem oval
1. R em ove w indshield w iper arm s from pivot shafts.
Procedure for rem oving arm s is explained previously
under "A rm A d ju stm en t".
2. Remove cowl ventilator grille.
3. Remove two nut and lock w asher assemblies from the
connector link to motor drive arm via the plenum access
hole.
4. Remove two screws from each transm ission pivot shaft
assembly to windshield fram e. Remove wiper linkage
and transm ission from plenum.
Installation
1. Place wiper linkage and transm ission into position.
Secure assem bly with two screws at each transm ission.
2. A ttach end of cross rod to drive arm of motor assembly.
Secure rod.
3. Before installing wiper arm s or cowl ventilator grille,
operate wiper motor m om entarily which should rotate
pivot shafts to park position.
4. Install arm s, grille and shafts.
2D-30