Opel Frontera UBS. Service manual — part 972

3C – 20 FRONT SUSPENSION

14. Bushing, Rear

Remover: 5-8840-2124-0 (J-36834)

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:

•

Lower control arm

•

Bushing

INSTALLATION

14. Bushing, Rear

Installer: 5-8840-2124-0 (J-36834)

13. Bushing, Front

Installer: 5-8840-2123-0 (J-36833)

FRONT SUSPENSION 3C – 21

12. Bolt, Lower Ball Joint

11. Bolt, Torsion Bar Arm

10. Lower Control Arm

9. Bolt, Rear

8. Bolt, Front

7. Lower Ball Joint

Lower Ball Joint Nut Torque

N·m (kg·m/lb·ft)

103 (10.5 / 76)

6. Shock Absorber

Shock Absorber Nut Torque

N·m (kg·m/lb·ft)

82 (8.4 / 61)

5. Stabilizer Link

Link Nut Torque

N·m (kg·m/lb·ft)

50 (5.1 / 37)

4. Torsion Bar Arm Bracket

Torsion Bar Arm Bracket Nut Torque

N·m (kg·m/lb·ft)

116 (11.8 / 85)

3. Torsion Bar

Refer to “Torsion Bar” in this section.

2. Nut and Washer, Rear

Tighten lower link nut finger-tight.

NOTE:
Torque lower control arm nut after adjusting buffer
clearance.

Buffer Clearance (T)

mm (in)

23 (0.91) Wide Tread

24 (0.94) Narrow Tread

Lower Arm Rear Nut Torque

N·m (kg·m/lb·ft)

196 (20.0 / 145)

1. Nut and Washer, Front

Tighten lower link nut finger-tight.

NOTE:
Torque lower control arm nut after adjusting buffer
clearance.

Buffer Clearance (T)

mm (in)

23 (0.91) Wide Tread

24 (0.94) Narrow Tread

Lower Arm Front Nut Torque

N·m (kg·m/lb·ft)

157 (16.0 / 116)

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

3C – 22 FRONT SUSPENSION

UPPER BALL JOINT

Removal Steps

1.

Nut and cotter pin

2.

Bolt, nut and washer

3.

Upper ball joint

Installation Steps

3.

Upper ball joint

2.

Bolt, nut and washer

1.

Nut and cotter pin

REMOVAL

Preparation:

1)

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

2)

Remove the speed sensor from the knuckle (If
equipped with ABS).

FRONT SUSPENSION 3C – 23

1. Nut and Cotter Pin

Remove the upper ball joint from the knuckle.
Remover: 5-8840-2121-0 (J-36831)

CAUTION:
Be careful not t o break the ball joint boot.

2. Bolt, Nut and Washer

3. Upper Ball Joint

INSPECTION AND REPAIR

Make necessary parts replacement if wear, damage,
corrosion or any other abnormal conditions are found
through inspection.
Inspect the lower end boot for damage or grease leak.
Move the ball joint as shown in the figure to confirm its
normal movement.

Inspect screw/taper area of ball for flaws.
If any defects are found by the above inspections, replace
the ball joint assembly with new one.
After moving the ball joint 4 or 5 times, attach nut then
measure the preload.

Upper Ball Joint Preload

N·m (kg·m/lb·in)

0.5 – 3.2 (0.05 – 0.33 / 4.3 – 28.6)

If the above limits specified are exceeded, replace the
ball joint assembly.