Opel Frontera UBS. Manual - part 1918

FRONT SUSPENSION  3C – 11

REMOVAL

Preparation:

1)

Raise the vehicle and support the frame with suitable
safety stands.

2)

Remove wheel and tire assembly. Refer to “Wheels
and Tires” in section 3E.

3)

Remove the brake caliper. Refer to “Brakes” in section
5.

4)

Remove the hub assembly. Refer to “Hub and Disk” in
section 4C.

5)

Remove outer track rod from the knuckle. Refer to
“Steering Linkage” in section 2A.

1. Torsion Bar

Loosen torsion  bar by height control arm adjust bolt.
Refer to “Torsion bar” in this section.

2. Wheel speed sensor (if equipped with ABS)

3. Back Plate

4. Lower Ball Joint

Remover: 5-8840-2005-0 (J-29107)

CAUTION:
Be careful not to break the ball joint boot.

5. Upper Ball Joint

Remover: 5-8840-2121-0 (J-36831)

CAUTION:
Be careful not to break the ball joint boot.

6. Knuckle Assembly

7. Oil Seal

8. Washer

9. Needle Bearing

Remover: 5-8840-0019-0 (J-23907)

3C – 12 FRONT SUSPENSION

10. Knuckle

INSPECTION AND REPAIR

Make necessary correction or parts replacement if wear,
damage, corrosion or any other abnormal condition are
found through inspection.
Check the following parts:

•

Knuckle

•

Needle bearing

•

Thrust washer

INSTALLATION

10. Knuckle

9. Needle Bearing

Before installation, apply appropriate amount of
multipurpose type grease to the new bearing (Approx.
5 g).
Installer: 5-8840-2128-0 (J-36838) and 

5-8840-0007-0 (J-8092)

8. Washer

Apply multipurpose type grease to the thrust washer,
and install it with chamfered side facing knuckle.

7. Oil Seal

Use a new oil seal, and apply multipurpose type
grease to the area surrounded by the lip (approx. 2 g).

After fitting the oil seal to the installer, drive it to the
knuckle using a hammer or bench press until the tool
front face contacts with the thrust washer.
Installer: 5-8840-2406-0 (J-41468)and 

5-8840-0007-0 (J-8092)

6. Knuckle Assembly

5. Upper Ball Joint

Tighten the nut to the specified torque, with just
enough additional torque to align cotter pin holes.
Install new cotter pin.

Upper Ball Joint Nut Torque

N·m (kg·m/lb·ft)

98 (10.0 / 72)

FRONT SUSPENSION  3C – 13

4. Lower Ball Joint

Tighten the nut to the specified torque, with just
enough additional torque to align cotter pin holes.
Install new cotter pin.

Lower Ball Joint Nut Torque

N·m (kg·m/lb·ft)

147 (15.0 / 108)

3. Back Plate

2. Wheel Speed Sensor (if equipped with ABS)

Tighten the bolt to the specified torque.

Wheel Speed Sensor Bolt Torque

N·m (kg·m/lb·in) 

8 (0.8 / 69)

1. Torsion Bar

Refer to “Torsion Bar” in this section.

NOTE:
Adjust the trim height. Refer to “Front End
Alignment” in section 2A.

3C – 14 FRONT SUSPENSION

UPPER CONTROL ARM

Removal Steps

1.

Speed sensor cable (if equipped with
ABS)

2.

Nut and cotter pin

3.

Upper ball joint

4.

Bolt and plate

5.

Nut assembly

6.

Camber shims

7.

Caster shims

8.

Upper control arm assembly

9.

Nut

10.

Plate

11.

Bushing

12.

Fulcrum pin

Installation Steps

12.

Fulcrum pin

11.

Bushing

10.

Plate

9.

Nut

8.

Upper control arm assembly

7.

Caster shims

6.

Camber shims

5.

Nut assembly

4.

Bolt and plate

3.

Upper ball joint

2.

Nut and cotter pin

1.

Speed sensor cable (if equipped with
ABS)