1973 OPEL GT-R service

2B- 61973 OPEL SERVICE MANUAL
OPEL 1900, MANTA AND GT FRAME ANDBODY
MOUNTINGS
CONTENTS
Subject
DESCRIPTION AND OPERATION: (Not Applicable)
DIAGNOSIS: (Not Applicable)
MAINTENANCE AND ADJUSTMENTS: (Not
Applicable)
MAJOR REPAIR: (Not Applicable)
SPECIFICATIONS:
FrameandBodyMountingSpecifications. . . . . . . . . . . . . . . .Page No.28-6LOWER
I.
1.Ii
NOTE: TOLERANCES
NOTTOEXCEED*1,16I IDATUM LINEZB2
Figure
ZB-2 GT Frame Details

28. B1973 OPEL SERVICE MANUAL
A
B
C
D
E
F
G
H
I
J
K-L
M
N
1 O-9/ 16”
14-9116”
71.7116”90-l/2”
S-3/16”
1 l-S/V
21-9/l 6”
30”
24-314”30-9/l 6”38-l/2”36-3/V
17-5116”Figure
28-3 Opel 1900 Manta Frame Details
1900
- MANTA 1900 - MANTA FRAME MEASUREMENTS
Mating surface of frame rail to horizontal line from center of front crossmember
to frame support bolt hole.
Centerline of front crossmember attaching bolt hole to centerline of front
crossmember to frame support bolt hole.
Centerline of front crossmember attaching bolt hole to center of lower control
arm to frame bolt hole.
Centerline of front crossmember attaching bolt hole to center of rear spring seat.
Rear spring seat to datum line.
Center of spring seat to center of track rod to body attaching bolt hole.
Centerline of front crossmember right attaching bolt hole to centerline of front
crossmember left attaching bolt hole.
Centerline of right front frame bolt hole to centerline of left front crossmember
to frame support bolt hole (inboard side of frame rail).
Distance between frame rails at front crossmember to frame support bolt holes.
Centerline to centerline of torque tube support to frame bolt holes.
Center qf spring seat to center of torque tube support to frame bolt hole
(inboard side of frame).
Centerline of right spring seat to centerline of left spring seat.
Centerline of car to centerline of track rod to body attaching bolt.

2c-101973 OPEL SERVICE MANUAL
REMOVAL AND INSTALLATION OF WINDSHIELD
OR BACK WINDOW-WINDSHIELD SHOWN
1. Flap back windshield wiper arms,
2. Beginning at one end, pull molding out of rubber
channel.
3. Beginning at one corner, push out windshield
together with rubber channel. See Figure 2C-3.4. Place new windshield on glass holding fixture and
tit new rubber channel. See Figure
2C-4.5. Insert a thick string into large sealing lip of rubber
channel so that both ends are crossed at bottom cen-
ter of windshield. See Figure
2C-5.6. With a sealer gun, coat outside of pinchweld flange
with sealing compound. See Figure
2C-6./’
Figure
2C-4 Fitting Rubber Channel on Windshield
Figure
2C-5 String Inserted Into Rubber ChannelFigure 2C-6 Applying Sealer on Pinchweld Flange
7. Place windshield in body opening and, with in-
serted string, pull rubber channel lip over pinchweld
flange, always tapping windshield from outside with
a striking pad. See Figure
2C-7.Figure
2C-7 Pulling Rubber Channel Lip Over
Pinchweld Flange

2C- 121973 OPEL SERVICE MANUAL
3. Install quarter window and fasten chromed mold-
ing. See Figure 2C-10.REMOVAL AND INSTALLATION OF REAR
QUARTER WINDOW OPEL 1900. MANTA
1. Unscrew rear quarter window
Iqck. See Figure2c-11.
Figure
2C-1 1 Quarter Window Lock Attaching Screws
2. Unscrew window hinge from lock pillar while
holding window. See Figure
2C-12.3. On installation, seal hinges with a plastic com-
pound.
Figure 2C-12
Cluarter Window Hinge AttachingSCW@S4. Carefully push rail off window. On rear quarter
window lock, drill off pin and unscrew retainer from
window. See Figure
2C-13.Figure 2C-13 Drilling Off Quarter Window Lock Pin
REMOVAL AND INSTALLATION OF HINGED
REAR QUARTER WINDOW
- GT
Removal1. Remove three screws securing lock to rear quarter
pillar. See Figure
2C-14. Swing window outward and
lift off rear quarter window. Care should betaken
that window does not fall off pivots when swung
outward.
Figure 2C-14 Rear Quarter Pillar Lock
- GT
2. Remove frame from glass
Installation1. Install frame to glass.
2. Install lock to rear quarter pillar, securing with
three (3) screws.

2D-141973 OPEL SERVICE MANUAL
Figure 20.4 Position of Tool on Slide Lock Spring
2. Remove door inside handle escutcheon.
3. Remove lock knob.
4. Remove arm rest. See Figure 2D-5.
Figure 20-2 Door Striker
Figure 20-5 Removing Arm RestFigure 20.3
lnsarting Tool Between Handle and NylonDisc5. Remove door trim pad.
6. Prior to installation of trim pad, make sure that

2D-161973 OPEL SERVICE MANUAL
2. Remove door lock knob.
3. Remove door inside handle.
4. Adjust sash window so that the main lever with
toothed segment are in alignment with the front re-
taining plate. See Figure 2D-9.Figure 2D-9 Aligning Main Lever With Front Retaining
Plate5. On Models 57, 57L and 57R, scribe position of
screw at the plastic support of window rail and un-SCRW.
6. Block sash window in door interior.
7. Scribe position of window lifter guide rail
screws.See Figure 2D- 10.
Figure 2D-10 Guide Rail Screws
8. Unscrew window lifter and let it down slowly.
9. Slide window upwards and block it.10. Remove window lifter through opening in inner
door panel upper part. See Figure 2D-11.
Figure
2D-1 1 Removing Window Lifter
Installation
1. Install window lifter through opening in inner
door panel tipper part. See Figure 2D-
11.2. Block window upwards.
3. Secure window lifter.
4. On Models 57 and 57R, secure plastic support of
window rail.
5. Install inside door handle.
6. Install door lock knob.
7. Install door trim pad.
REMOVAL AND INSTALLATION OF FRONT DOOR
LOCKRemoval
1. Remove door trim pad.
2. Remove door lock knob.
3. Remove door inside handle.
4. On lock side, scribe position of guide rail bolt,
unscrew bolt, push guide rail downwards, and
remove it through access hole. See Figure 2D-12.
5. Remove door lock and install new one. See Figure
2D-13.

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.

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.