Wheel Nuts - Opel 1900 1973 Service Manual

Figure 3A-12 Front Suspension Attaching Points
Always use new self-locking nuts.
7. Reinstall guard plate.
8. Crosswise torque wheel nuts to 65 ft.lbs.
UPPER BALL JOINT REMOVAL AND
INSTALLATION
Removal
I. Place jack under spring eye and raise car. Remove
wheel from car.
2. Remove cotter pin and castle nut from upper ball
joint stud. Discard cotter pin.
3. Press ball stud from steering knuckle using puller
J-21687, and remove two (2) bolts attaching ball
joint to upper control arm. See Figure 3A-13.
4. If dust cap on upper ball joint is torn or missing,
the ball joint should be replaced.
Installation
CAUTION: Fasteners are important attachingparts in
that they could afEct the pertkmance
ponents and systems, and/or could result in major
repair expense. They must be replaced with one of
the same part number or with an equivaknt pa-t if
replacement becomes necessary. Do not use a re-
placement part of lesser quality or substitute design.
Torque values must be used as specified durikg reas-
1. Install upper control arm ball joint with the off
center holes in flange showing towards the steering
knuckle spindle.
2. Install two (2) bolts attaching ball joint to upper
control arm. Torque nuts to 29 Ibft.
3. Install upper ball joint stud in%eering
and torque castle nut to 29 Ib.ft. on GT and 40 lb&.
on Opel 1900 - Manta.
4. Install new cotter pin, and replace wheel.
5. Always check caster and camber after installing
new ball joints.
LOWER BALL JOINT REMOVAL AND
INSTALLATION
New lower ball joints have an axial play of up to ,020
inch. The maximum permissible axial play of older
ball joints is ,080 inch. At an axial play of more than
dust cap is torn, loose, or missing, the lower ball joint
must also be replaced. See Figure 3A-14.
The lower ball joints are checked for wear by using
Checking Gauge J-23402 for the GT, and using
Checking Gauge J-23745 for the Opel 1900 - Manta.
of vital com-
See Figure 3A-15.
Removal GT
1. Raise car and support at rear of front frame rails.
2. Remove front wheel.
FRONT SUSPENSION
Figure 3A-13 Upper Ball Joint
knuckle