1973 OPEL 1900 crank

WINDSHIELD WIPERSlE- 39
Figure 1 E-4 Removing Wiper Arms-GT
wiper transmission and drop wiper transmissions
from defleCtor panels. See Figure lE-4.3. Remowscrews from left and center deflector pan-els. See Figures lE-5 and 6.
Figure
l$-5 Removing Screws from Left Deflector
I
Pa%?1
. .;Figure
lE-6 - Removing Screws from Center Deflector
Pall-Z!14. Remove center deflector panel. Remove left de-
flector panel together with wiper motor and com-
plete wiper linkage. See Figure lE-7.
Figure
lE-7 - Removing Left Panel, Motor and Linkage
5. Remove nut and lockwasher from wiper motor
shaft and remove complete wiper linkage.
6. Install in reverse sequence, checking all parts for
wear. Replace any worn parts.
WIPER MOTOR OVERHAUL
Removal of Wiper Motor1. Remove the wiper motor to crank arm attaching
nut, this is done from the inside of vehicle. The nut
is located on inner side of cowl, just above the steer-
ing column. See Figure lE-1.
2. Pull crank arm off motor drive shaft.
3. Remove three (3) wiper motor attaching screws.
See Figure lE-8.
Figure 1 E-8 Wiper Motor Attaching Screws
4. Remove motor from cowl.
5. Remove wiper motor electrical connector from
motor.

1 E- 421973 OPEL SERVICE MANUAL
Figure 1 E-l 7 Solder Positive Brush Lead to Brush
Holder
9. Install motor housing over armature so that large
drain hole on housing is facing downward when
mb-tor assembly is installed in car.
InSert angle brackets
into motor housing and tighten attaching screws. Be
sure to reseal angle brackets to motor housing after
retaining screws are tightened.
10. Connect assembled motor with an ammeter and
adjust end play of armature shaft grid drive gear. To
do so, turn in the respective adjusting screw until the
current consumption increases. Then back off adjust-
ing screw
l/2 turn. Secure driven gear adjusting
screw with lock nut and armature adjusting screw
with paint. See Figures lE-18 and lE-19.
Installation1. Connect wiper motor electrical connector to mo-
tor.
2. Place wiper motor in position on cowl and secure.
Torque attaching nuts 14 to 17 in.lbs.
3. Place crank arm on motor drive shaft and torque
nut as follows: Bosch and SWF, 70 to 87 imlbs. and
Siemans, 122 to 139 in.lbs.Figure 1 E-l
8 Adjusting Armature End Play
Figure
lE-19 Adjusting Driven Gear End Play
4. Check the position of the windshield wiper blades
for proper position after the crank arm is attached.
See Figure lE-3 for the proper distance the blades
should be from the windshield molding in the park
position.

WINDSHIELD WIPERSlE-43SPEhFlCATlONS
IGENEPAL SPECIFICATIONSiRated Voltage .
..__.,,,.,,,......................................,.,,... ~ __..__...__...._..................................... 12 VDC
,Test Voltage ___..................................................,...................,..,..................................... 13 VDC
Current Draw (Amps)
;No Load_, Low Speed
..__...__..__..,_,,..,,,.,,,,..,....................,,.................................................................. 1.5
I Hieh
SDeed .___,,...,,..,,._.._..............,...............................,,,..,,,.............................................. 2.2lLock:d
’
:Low Speed ___.,._,,,..,,,....................................,,.........,,..,,,.,,,,..................,,,........................... 16
,
High Speed . . . . . . . ..___.._........................................................................................................... 17
~Minimum Commutator Diameter __.................,,,,........................................................... .86 in.
‘Brush Spring Pressure
:New Brush
. . . . . . .._...__...................................................................................... 6.35 to 8.47 oz.Used Brush
..__,,,...,,.,,..................,...............................,,.,,,,.,,....................... 3.5 oz. minimum‘MinimumBrushLength
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24in.The windshield wiper motor instead of field coils has a permanent magnet
(oxide magnet). This motor design is sturdier and consumes less current.TORQirE SPECIFICATIONS
‘CrankArmtoMotorDriveShaft. . . . . . . . . . . . . . . . . . . . . . . . . .70to87in.lbs.iper Motor to Cowl
,
,.,,,.,,,,..,,............,..,,.,,.........................................14 to 17 in.lbs.

2F-241973 OPEL SERVICE MANUAL
ROOF AND SUN ROOF
CONTENTS
,.,Subject
DESC,RIF?TION AND OPERATION: (Not Applicable)
DIAGNOSIS: Sun Roof Diagnosis
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE AND ADJUSTMENTS:Sun Roof Height Adjustment
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . .
MAJOR REPAIR:
Removal and Installation
Sun Roof Panel andFrame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . .
Velvet Strip and Weather Strip. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RearGuides andCables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . .
Drive Pinion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water DrainHoses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . .
Luggage Rack. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS: (Not Applicable) Page No.
2F-24
2F-26
iF-27
2F-29
2F-29
2F-30
2F-31
2F-3i
DIAGNOSIS
SUN ROOF DIAGNOSIS
_ -
CONhTlONPAUSEI~C~RRECTI~X~
Sun roof does not operate
Transporter cable lengths
parallel. equal.Close sun roof, slide sun roof
frame to rear, remove.crank
handle
and cable crank. Check
that sun roof bears against sun
roof opening velvet strip and
that lifter’ portion of rear lifter
guides is positioned approximately
90 degrees to guide rails.
Turn
cable crank fully clockwise and
reinstall into cable box.
Transporter cables damaged
or worn. Replace cables. Both cables
must be replaced if either one
is damaged or worn.

ROOF AND SUN ROOF2F-27
not the case, take off crank handle and cable crank
(see Figure 2F-4) and physically reposition lifters to
be approximately 90 degrees to guide rails and to
contact guide stops. Rotate cable crank to its fully
clockwise limit alad reinstall.
Figure 2F-4 Sun Roof Cranking Handle and CableCrank2. Open sun roof until rear lifters lay in a horizontal
position (see Figure
2F-5), loosen lifter pin nut and
turn lifter pin adjusting screw accordingly to lower
or raise lifter pin in slot of lifter.3. Hold lifter pin adjusting screw down and tighten
lifter pin nut.
4. Recheck operation of sun roof and note that lifter
contacts stop when lifter is approximately 90 degrees
to guide rail.
Pull sun roof frame forward and reattach to sun roof
panel.
MAJOR REPAIRREMOVAL AND INSTALLATION OF SUN ROOF
PANEL AND SUN ROOF FRAME
Removal of Sun Roof Panel1. Open sun roof to half open position and pry loose
sun roof frame from sun roof panel (see Figure
2F-1).2. Push detached sun roof frame toward the rear
until it contacts car roof stop.
NOTE: If difficulty is encountered when pushing
sun roof frame rearward due to the frame hooking
into sun roof panel, close sun roof panel completely
and then proceed to push sun roof frame toward rear
of car.
3. Close sun roof panel and then open it approxi-
mately one turn of operating crank.
4. Remove one of two screws holding each of front
Figure
2F-5 Lifter Pin Adjusting Screw
Figure ZF-6 Swinging Front Guide Inboard

2F-281973 OPEL SERVICE MANUAL
guides to height adjustment rings, loosen second
screw (see Figure 2F-6), and swing guides away from
guide rail.
NOTE: When swinging front guides inboard, be
careful not to change position of height adjustment
rings. It is suggested that the position of the height
adjustment rings be marked with a pencil prior to
loosening of front guide attaching screws.
5. Retighten remaining screw holding front guide in
position to prevent height adjustment rings from
turning.
6. Turn lifter guide tension springs 90 degrees in-
board and pull lifters out of sun roof panel brackets
(see Figure
2F-7).Figure
ZF-7 Pulling Rear Lifter Guide out of Sun RoofPanel BracketNOTE: Do not loosen lifter pin nut as this will
change height adjustment on rear of sun roof.
7. Lift out sun roof panel.
Installation of Sun Roof Panel1. Install sun roof panel onto guide rails and locate
panel evenly in stin roof opening.
2. Reposition front guides in original position on
guide rails. Be sure that they squarely contact guide
rails and are not cocked.
NOTE: To achieve proper clearance of front guides
to guide rail, the guides should lightly touch edge ofdshould have a clearance of no
3. Reconnect
riar lifter guides onto sun roof panel
brackets and reposition tension spring as shown in
Figure
2F-3.4. Crank sun roof fully closed and check that the rear
lifters are at approximately 90 degrees with respect
to guide rails and contact guide stops (see Figure
2F-3). If adjustment is required remove crank handle
and cable crank (see Figure 2F-4) and physically
reposition lifters to position described above. Rotate
cable crank to its fully clockwise limit and reinstall.
5. Pull sun roof frame forward and reattach to sun
roof panel.
6. Open and close sun roof several times and recheck
for smoothness of operation.
Removal of Sunlpoof Frame1. Remove sun roof panel.
2. Crank rear lifter guides to furthermost rear posi-
tion.
3. Remove screws securing upper corner plates in
position and lift out upper corner plates (see Figure
2F-8).Figure 2F-&Removing Upper Corner Plates
4. Remove scretii securing left und
r@t guide rai1%lift up front ends
of- guide rails and msert wedge
under forward g&de rail ends. Slide out sun roof
frame.

ROOF AND SUN ROOF2F-29Installation of Sun Roof Frame1. Slide sun roof frame into lower slot of guide rails,
position fully rearward and reattach guide rails to
roof.NOTE: Be sure guide rail retainers at rear of guide
rails are positioned with their dowels in bores of roof
frame.2. Install upper corner plates and secure in place..
3. Install sun roof panel.
REMOVAL AND INSTALLATION OF VELVET STRIP
ON SUN ROOF OPENING, AND VELVET STRIP AND
WEATHERSTRIP ON REAR OF SUN ROOF PANEL
Removal of Velvet Strip on Sun Roof Opening1. Fully open sun roof.
;2. Carefully pull off velvet strip using solvent to dis-
solve cement. Clean area thoroughly before installing
new velvet strip.
Installation of Velvet Strip On Sun Roof Opening1. Cut away for a distance of 1.5 inch the velvet
material on velvet strip that will be on the outside
when strip is cemented in positioAlso cut off to
this dimension the plastic cord i
not cut away velvet material on
1strip which is to be cemented
2. Using
nitrile vinyl trim adhesive (3M Vinyl Trim
Adhesive, Permalastic Viny1 Trim Adhesive or
equivalent) apply sparingly to both sun roof opening
and side of velvet strip to be cemented.
3. Immediately install new velvet strip and position
so that upper edge of velvet strip is flush with car
roof.4. Clean off excess cement being careful not to con-
tact velvet strip.
Removal of Velvet Strip and Wea’therstrip on Rear
of Sun Roof Panel1. Remove sun roof panel.
2. Carefully detach weatherstrip and velvet strip
from sun roof panel using solvent as required todisdolve cement. Thoroughly clean area before in-
stalling new velvet strip and weatherstrip.
Installing Velvet Strip and Weatherstrip On Rear
of Sun Roof Panel1. Using
nitrile vinyl trim adhesive (3M Vinyl Trim
Adhesive Permalastic Viny1 Trim Adhesive or
equivalent) apply sparingly to vertical and horizontal
contact areas at rear of sun roof panel (see Figure
2F-9) and also to side of velvet strip which will touch sun
roof panel.
REAR OF SUN ROOF PANEL
ICAR ROOF
VELVET STRIP
II
,/ WETRSTRIP 1APPLY CEMENT TO HORIZONTAL AND
VERTICAL SURFACES,TO BOTH SIDES
OF VELVET STRIP AND TO SIDE AND
BOTTOM OF WEATHERSTRIP2F-9
Figure
ZF-9 Installing Velvet Strip and Weatherstrip
on Rear of Sun Roof Panel
2. Immediately install new velvet strip and position
so that top edge of velvet strip is flush with sun roof
panel.
3. Apply cement to outboard edge of velvet strip and
to top and bottom contact surfaces of weatherstrip,
and install weatherstrip in position.
4. Clean off excess cement being careful not to con-
tact velvet strip.
5. Install sun roof panel.
REMOVAL AND INSTALLATION OF REAR GUIDES
AND CABLE
Removal of Rear Guides and Cable
1. Remove sun roof panel.
2. Crank rear lifter guides fully rearward and then
remove crank handle and cable crank.

2F-301973 OPEL SERVICE MANUAL
3. Unscrew and remove upper and lower corner
plates (see Figure 2F-8).4. Unscrew and remove left and right upper cable
shields ans pull cable ends out of cable box.
5. Pull cable and rear lifter guides out of leftand
right guide rails.
Installation of Rear Guides and Cable1. Check both cables for wear or damage. If eigher
cable is defective, replace both cables.
2. Check pinion on cable crank (see Figure
2F-IO) for
wear or damage. If replacement of pinion is required,
also replace both cables.
Figure ZF-10 Cable Crank3. Install cables and rear lifter guides into guide rails
and work cables inward until they hit stops.
4. Unscrew and lift off cable box cover (see Figure
2F- 1 I).5. Insert cable ends into cable box and locate cable
ends in respective lower cable shields.
6. Install cable box cover, right and left upper cable
shields and right and left upper corner plates.
7. Temporarily install cable crank and crank handle.
Crank rear lifter guides to closed position. Remove
cable crank and crank handle.
8. Install sun roof panel and reposition frontguides
to original position on guide rails. Be sure frontFigure
ZF-1 1 Cable Box
guides squarely touch guide rails and are not cocked:
Also be sure sun roof panel is not cocked and is
evenly located in opening.
NOTE: To achieve proper clearance of front guides
to guide rail, the guides should lightly touch the edge
of guide rails and should have a clearance of no more
than 0.02 inch.
9. Reconnect rear lifter guides onto sun roof panel
brackets and reposition tension spring as shown in
Figure
2F-3.10. Push sun roof panel forward so that it contacts
roof panel velvet strip and manually raise rear lifters
to their 90 degree position. Sun roof panel will now
be fully closed.
11. Rotate cable crank to its limit in a clockwise
direction and reinstall.
NOTE: Be sure that drive pinion of cable crank
meshes with spirals of cable.
12. Reinstall cable crank and crank handle.
13. Pull sun roof frame forward and reattach to sun
roof panel.
14. Open and close sun roof several times to recheck
forsmoothness of operation.
REMOVAL AND INSTALLATION OF DRIVE PINION
Removal1. Position sun roof in fully closed position and take
off crank handle and cable crank.