OPEL GT-R 1973 Service Manual

2D-18
1973 OPEL SERVICE MANUAL
2. With window closed, unscrew hex nut and remove
door outside handle. See Figure 2D-15.3. Clamp door outside handle in a vise provided with
protective jaws.
4. With ‘a screwdriver, lift cylinder lock ring out of
handle. See Figure 2D-16.
Figure 2D-16 Removing Cylinder Lock Ring Out of
Handle5. Pull lock cylinder out of door outside handle.InstalMion
1. Clamp outside door handle in a vise and protect
handle with pi&es of wood.
2. Install lock cylinder into outside door handle.
3. Install lock ring into handle. See Figure
2D-16.4. With window closed, install outside handle and
hex nut. See Figure 2D-15.
5. Install door trim pad.
REMOVAL AND INSTALLATION OF FRONT DOOR
WEATHERSTRIP1. From below, grind the peen off door check link pin
and drive out pin. See Figure
2D-18.2. Remove weatherstrip from front door.Figure 2D-17 Outside Handle
- Exploded View
Figure 20-16 Grinding
Peen Off Of Link Pin
3. Button in new weatherstrip in the door area and
push it in the metal profile in the area of the window
frame. See Figure
2D-19.4. Install door check link and rivet pin.
REMOVAL AND INSTALLATION OF FRONT DOOR
1. Remove door trim pad.
2. Remove lock knob.

Figure ZD-19 Installing Weatherstrip
3. Remove door inside handle.
4. Remove door belt reveal molding.
5. Remove window lifter.
6. Remove sash window guide rails.
7. Remove door lock.
8. Remove door outside handle,
9. Grind off door check link pin and remove door
check link./.-..&- _[I 2D-20
Figure ZD-20 Removing Door Weatherstrip10. Remove door weatherstrip, using a clip remover.
See Figure 2D20.
Il. Remove door rubber bumper.
12. Drive out upper and lower door hinge sleeve and
remove door, using Tool J-21688. See Figure
2D-21.Figure
ZD-21 Removing Hinge Pin
13. Install door and rivet door check link pin.
14. Reverse procedure for installation.
REMOVAL AND INSTALLATION OF REAR DOOR
SASH WINDOW
1. Remove and install door trim pad. See Figure
2D-22.Figure
ZD-22 Trim Pad Items
2. Completely open sash window and unscrew win-
dow guide rail in the places shown in Figure
2D-23.

2D-201973 OPEL SERVICE MANUAL
2. Remove door sash window.
Figure 2D-23 Guide Rail Screws
3. Pull guide rail towards the top out of door.
4. Position sash window so that cable retainer can be
unscrewed through access hole. Pull out sash win-
dow towards the top.
5. Push sash channel off window glass. See Figure2D- 24.Figure 2D-25 Cable and Pully Location
3. Loosen sheave adjustable bracket. Unscrew win-
dow regulator from inner door panel and remove
regulator and cable through access hole. See Figure
2D-26.Figure 2D-24 Sash Channel
6. Place new window glass and new filler into sash
channel.
REMOVAL AND INSTALLATION OF REAR
DOOR WINDOW REGULATOR
1. Remove door trim pad.Figure
213-26 Regulator Attaching Screws
Installation
- Left Door
In counterclockwise direction, wind cable onto pul-
ley up to the shoulder and clamp it behind lug. See
Figure 2D-27.

DOORSZD- 21
RIGHTLEFT ~-ZD-27
Figure ZD-27 Cables Wound On Regulators
Installation - Right DoorIn clockwise direction, wind cable onto pulley up to
the shoulder and clamp it behind lug. See Figure2D-27.
REMOVING AND INSTALLING
’
TAILGATE HINGES
Removal1. Remove screws securing hinge trim panel covering
tailgate binges and lift out trim panel. See Figure
2D-28.2. Disconnect battery, remove tail
te trun pad, and
withdraw wiring from tailgate.
u3. Mark position of tailgate hinges on tailgate,
remove bolts securing tailgate to hinges and lift off
tailgate.
,’HINGE TRIM
PANEL1IFigure ZD-28 Removing Tailgate Hinge Trim Panel
4. Release and remove torque rods. See Figure 2D-
29.Figure ZD-29 Tailgate Torque Rods
5. Remove bolts securing tailgate hinges to roof
panel and lift out tailgate hinges.
Installation1. Install tailgate hinges to roof panel and secure
with bolts.
2. Install torque rods. Installation of torque rods may
be facilitated by using vise-grip pliers to work torque
rod end over catch.
3. Install tailgate to tailgate hinges.
4. Install wiring to tailgate
5. Install tailgate trim pad and tailgate hinges panel
COVehg.6. Connect battery

ZE-221973 OPEL SERVICE MANUAL’REAR COMPARTMENT LID
CONTENTS
Subject
DESCRIPTION AND OPERATION: (Not Applicable)
DIAGNOSIS: (Not Applicable)
MAINTENANCE AND ADJUSTMENTS: (Not
Applicable)
MAJOR REPAIR:
Removal and Installation
Weatherstrip
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Lock Cylinder
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LuggageCompartmentLid. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SPECIFICATIONS: (Not Applicable)Page No.
2E-22
2E-22
2E-23
MAJOR REPAIRREMOVAL AND INSTALLATION OF LUGGAGE
COMPARTMENT LID WEATHERSTRIP
1. Detach old weatherstrip and clean sealing surface.2. Coat new weatherstrip and contacting surface
with rubber cement, and allow cement to dry for a
few minutes.3. Install new weatherstrip with rubber cement. See
Figure
2E-2.REMOVAL AND INSTALLATION OF LUGGAGE
COMPARTMENT LID LOCK CYLINDER
Removal
1. Remove luggage compartment lid lock. See Figure
2E-3.Figure
ZE-2 installing Luggage Compartment Lid2. With luggage compartment lid in almost horizon-Weatherstriptal position, unscrew lock cylinder nut, using a 13/16Figure
2E-3 Lid Lock Attaching Screws

REAR COMPARTMENT LID2E- 23
inch deep socket, and remove it, together with inter-
mediate ring. See Figure 2E-4.Fiyure
ZE-4 Removing Lock Cylinder Nut
Installation
1. Install lock cylinder nut, together with intermedi-
ate ring, and fasten with a 13/16 inch deep socket.
See Figure 2B96.
2. Install luggage compartment lock so that the lock
cylinder rod rests in opening of the lock. See Figure
2E-5.REMOVAL AND INSTALLATION OF LUGGAGE
COMPARTMENT LID
Removal1. With a wooden wedge, remove letters and orna-
ment.
2. From below, push ornament out of luggage com-
partment lid.2E-5
Figure
ZE-5 Lock Cylinder Rod Location
3. Remove rubber bumpers, lamp, lid lock, and lock
cylinder. See Figure
2E-6.Figure
2E-6 Rubber Bumpers Lamp and Lock Location
4. Unscrew luggage compartment lid from hinges.
5. The luggage compartment lid must be aligned so
that the gaps between lid and adjacent surfaces are
almost equal.

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 ROOFZF-25ConditionCallseCorrectionSun roof lifts up on one
side only.Lifter wedge welded to under-
Remove sun roof panel and bend
side of sun roof panel doeslifter wedge so that it squarely hits
not run up ramp welded inramp. The only adjustment for
center of sun roof track.the ramp is the angle of the
rear portion. This should be
adjusted so that the wedge smoothly
rides up the ramp.
Transporter cable or drive
pinion damaged.If the transporter cable is worn
or damaged, replace both
cables. If drive pinion worn or
damaged, replace drive pinion and
also both transporter cables.
Sun roof scrapes on car roof
when closing sun roof.Lifters do not lie flat.Close sun roof, slide sun roof
frame to the rear and open and close
sun roof slightly noting operation
of lifters. Rework if necessary,plastjc lifter cushion with tile
to permit lifter to lie flat.
Sparingly lubricate lifter guide.
Sun roof frame becomes
detached.Attaching clips have lost
elasticity.Install new clips
Water enters car interior.
Water drain hoses blocked.
Bent water drain hoses
Rear water drain hoses have
been pulled out of rubber
grommets.
Velvet strips on front and
rear of sun roof do not seal
properly.Clean hoses with compressed air
or a flexible steel cable.
NOTE: To clear rear water
drain hoses, the sun roof panel
and frame must be removed.
Blowing out of rear drain hoses
from trunk compartment hose end
is not recommended due to
possibility of soiling car
interior.
Attempt to straighten drain
hoses by working a suitable
tube or cable through hose.
Replace hose if above corrective
action is not satisfactory.
Apply a small amount of rubber
cement to rear water drain
hoses and reinsert into rubber
grommet located in luggage
compartment floor panel.
Check sun roof for correct
height adjustment. If height
adjustment is correct, but a
tight seal does not exist,
relocate velvet strip upward
for better seal, or replace
velvet strip.

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