1973 OPEL GT-R roof

2F-261973 OPEL SERVICE MANUALMAINTENANCE AND ADJUSTMENTSADJUSTING HEIGHT OF SUN ROOF PANEL
Adjust height of sun roof as follows:
1. Opel sun roof to half open position and pry apart
sun roof frame from sun roof panel (see Figure
2F-1).Figure
ZF-1 Separating Sun Roof Frame From SunRoof Panel2. Push detached sun roof frame rearward until it
contacts car roof stop.
NOTE: If difficulty is encountered when pushing
sun roof frame to rear due to the frame hooking into
the sun roof panel, close sun roof until lifters come
into operation. The sun roof frame should now easily
slide rearward.
ADJUSTMENT FRONT OF SUN ROOF
To adjust height of front of sun roof proceed as
follows:
1. Close sun roof.
2. Loosen screws securing front guides to front of sun
roof panel (see Figure
2F-2). Rotate height adjust-
ment ring until desired height is attained.
3. Readjust guides outward so that guides just touch
sides of rails and are not wedged or cocked against
rail sides and tighten screws. Recheck height adjust-
ment.
NOTE: The guides should lightly contact the guideFigure
ZF-2 Sun Roof Front Guide
rail and should have a clearance of no more than 0.02
inch.
ADJUSTMENT. REAR OF SUN ROOF
To adjust height of rear of sun roof proceed as fol-
lows:1. Completely close sun roof and check that the rear
sun roof lifter guides from approximately a 90 degree
angle with respect to the guide rail and that the lifter
contacts the guide stop (see Figure
2F-3). If this is
Figure
2F-3 Rear Sun Roof Lifter 90 Degrees toGuide Rail

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.

2. Press off snap ring holding drive pinion in place
and remove drive pinion (see Figure 2F-10).
Installation1. Install drive pinion reverse of removal.
NOTE: If drive pinion is to be replaced, also replace
both cables to insure smooth operation of sun roof.
2. Rotate cable crank to its limit in a clockwise direc-
tion and install reverse of removal procedure.ROOF AND SUN ROOF2F-31
REMOVAL AND INSTALLATION OF FRONT AND
REAR WATER DRAINAGE HOSES
Removal of Front Water Drainage Hose
1, Remove sun visor from side of car which will have
drainage pipe taken out.
2. Partially detach pinchweld finishing strip from
door opening involved.
II2F-12L
Figure 2F-12 Sun Roof (Exploded View)

2F-321973 OPEL SERVICE MANUAL
3. Carefully detach a portion of headlining around
window corner post involved.
4. Detach water drain hose from sun roof hose iit-
ting.
5. Remove cowl side kickpads.
6. Pull out from upper end front water drain hose.
Installation of Front Water Drain Hose
1. Insert from above water drain hose (wider end
upward) into door hinge pillar.
NOTE: Do not mistake front and rear water hoses.
The front hose is thinner than the rear hose and is
wider at the end which connects to hose fitting on
sun roof. The rear hose is uniform over its entire
length.
2. Work water drain hose downward through lower
half of door hinge pillar and be sure hose terminates
behind door sill flange at bottom of frbnt fender.
3. Cement upper portion of water drain hose to sun
roof hose fitting.
4. Cement detached portions of headlining into place
by use of rubber cement or nitrile vinyl trim adhesive
(3M Vinyl Trim Adhesive, Permalastic Vinyl Trim
Adhesive or equivalent).
5. Complete installation reverse of removal proce-
dures.
Removal of Rear Water Drain Hose1. Remove rear seat and rear seat back.2. Pry out plastic fasteners securing cardboard parcel
shelf in position and remove shelf.
3. Remove rear quarter trim pad.
4. Detach headlining only as required from area
around rear window pillar.
5. Pull out rear water drain hose.
Installation of Rear Water Drain Hose1. Install rear water drain hose in original position.
Insert hose from above and work downward. Ce-
ment both ends of hose in place.
2. Secure water drain hose in place along wheel-
house.3. Complete installation reverse of removal proce-
dures.
REMOVAL AND INSTALLATION
OF LUGGAGE
RACKAll 1973 luggage racks will be dealer installed, and
are held to the roof at the 4 corners. Removal and
installation is accomplished by removing the attach-
ing screw at each corner. See Figure
2F-14.Figure ZF-14 Luggage Rack

SEATS, INTERIOR TRIM AND HEADLININGZG-35
2. Push off side panel trim pad. Trim pad is held in
position by a retaining button.
REMOVAL AND INSTALLATIONOF HEADLINING
Removal
1. Disconnect battery.
2. Lift out rear seat cushion (sedans only).
3. From trunk area, loosen tabs holding cardboard
against rear seat cross brace and lift out cardboard
(sedans only).
4. Pry up two tabs holding lower portion of rear seat
back in position, swing back of seat forward and lift
out (sedans only).
5. From trunk area pry out parcel shelf plastic retain-
ers and lift out parcel shelf (sedans only).
6. Remove rear-view mirror, sun visors, interior
lamp, assist straps and coat hooks. Remove front and
rear windows on all but Wagon Models. On Wagons,
remove the front window and the quarter windows.
7. Work door opening pinchweld finishing strip
away from pinchweld as far as necessary to expose
edge of headlining.
8. Start at: left or right windshield pillar and pry
headlining loose.
9. Roll back headlining to expose metal tabs securing
headlining listing wire to roof and unhook headhn-
ing front listing wire from metal tabs using a blunt
edge tool.
10. Pull loose the edges of headlining cemented to
door openings, rear quarter window openings, rear
quarter pillar and from under rear window rubber
channel. On rear quarter pillars, slightly bend down
cardboard of rear quarter trim pad to facilitate re-
moval. During removal, special care should be taken
not to tear headlining at seams.
11. After edges of headlining have been pulled loose,
tilt remaining listing wires with headlining forward
or rearward and pull listing wires free from side roof
rails. Lift out headlining and listing wires.
Installation1. Check secureness of noise insulation pad on inside
of roof panel and recement as necessary using asphalt
cement. If headlining is to be replaced, insert listing
wires into headlining according to their markings.
Progressing from the front listing wire to the rear
wire, the left ends of the wires are color coded as
follows:1st listing wire
- No marking, wire is thinner than
other wires
2nd listing wire
- Red
3rd listing wire
- Blue
4th listing wire
_ Green
5th listing wire
- Brown
6th listing wire
- White
2. Install 1st listing wire ends into retainer slots in-
side roof rails and hook listing wire into six metal
tabs above windshield. Lightly bend tabs with a ham-
mer as shown in Figure
2G-8.
HEAOLlN’lNdA-----
26-8Figure
2G-8 Headlining With 1st Listing Wire Hooked
Onto Metal Tabs
LISTINGWIRE
SECTIOND-D
4 26-9Figure 2G-9 2nd and 5th Listing Wire Attachment