air filter OPEL GT-R 1973 Service Manual

OPEL GT-R 1973 Service Manual GT-R 1973 OPEL OPEL https://www.carmanualsonline.info/img/37/57410/w960_57410-0.png OPEL GT-R 1973 Service Manual

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OPEL GT-R 1973  Service Manual LUBRICATION AND MAINTENANCE OC-11
Throttle Linkage
Check for damaged or missing parts, interference or
binding. Any deficiencies should be corrected with-
out delay.
Headlights
Check for proper aim. C

Page 261 of 625

OPEL GT-R 1973  Service Manual CONTENTS
SubjectPage No.
DESCRIPTION AND OPERATION:
Power
BrakeBooster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Master
Cylinder
. .

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OPEL GT-R 1973  Service Manual 5A- 41973 OPEL SERVICE MANUAL
Figure 
5A-4 Brake Pedal and Master Cylinder
Attachment 
(GT)
v1I cy
1 THRUST SPRING
2 VALVE SEAT
3 HOUSING
Figure 
5A-5 Vacuum Control Valve
DIAGNOSIS
POWER BRAKE UNIT T

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OPEL GT-R 1973  Service Manual POWER BRAKE BOOSTER AND MASTER CYLINDER5A- 5ConditionGrabby Brakes (Apparent 
Off-and On Condition)
Possible Cause1. Broken or damaged
hydraulic brake lines.Correction1. Inspect and replace, as
“CXX

Page 265 of 625

OPEL GT-R 1973  Service Manual 5A- 61973 OPEL SERVICE MANUAL
ing on dusty and sandy roads - the filter and sound
deadener should occasionally be replaced. To do so,
brake booster has to be removed without detaching
brake master cyl

Page 328 of 625

OPEL GT-R 1973  Service Manual FUEL SYSTEMSC- 37
must always be removed before the distributor can be
removed.
EVAPORATION CONTROL SYSTEM1. The function of the fuel evaporation control sys-
tem is to absorb the fuel vapors developi

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OPEL GT-R 1973  Service Manual 6C- 381973 OPEL SERVICE MANUALCAUTION:Because the fuel pump is below fuel tank
level, fuel 
will drain from the tank. when the supply
hne is disconnected from the fuel pump.1. Pull fuel supply line an

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OPEL GT-R 1973  Service Manual 6E- 581973 OPEL SERVICE MANUAL
Figure 6E-34 Leaf Spring Installed
1 6E-36
Figure 6E-36 Checking Vent Valve Adjustment
39. Check compression of vent valve lower spring. It
should be compressed 
l/4 inc

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OPEL GT-R 1973  Service Manual 6F. 641973 OPEL SERVICE MANUAL
Figure 6F-5 Replacing Vacuum Motor Assembly
2. Lift vacuum motor, cocking it to one side to un-
hook motor linkage at the control door.
3. Install in reverse sequence.
R

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OPEL GT-R 1973  Service Manual 2. If inspection of contact points indicates excessive
burning, pitting or wear, check condenser and re-
place if necessary.
3. Inspect all connections and wires in the primary
ignition circuit. Corre
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