vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

ABOUT US
Rear Brake Caliper Bracket Replacement > < Front Disc Brake Pads Replacement

Astra J

Front Brake Shield Replacement

Special Tools

EN-45059   Angle Meter

For equivalent regional tools, refer to Special Tools .

Removal Procedure

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the brake rotor. Refer to Front Brake Rotor Replacement .

           2027678



Caution: Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

3. Remove the wheel speed sensor bolt (1).
4. Remove the wheel speed sensor (2).
5. Remove the wheel speed sensor wiring harness from the steering knuckle.
6. Remove and DISCARD the wheel drive shaft from the wheel bearing/hub. Refer to Front Wheel Drive Shaft Replacement - Right Side or Front Wheel Drive Shaft Replacement - Left Side .

           2027684



7. Remove and DISCARD the wheel bearing/hub mounting bolts (1).

           2027685



8. Remove the wheel bearing/hub (1) and front brake shield (2) from the steering knuckle.

Installation Procedure


           2027685



1. Position the front brake shield (2) and wheel bearing/hub assembly (1) in the steering knuckle.

Caution: Refer to Fastener Caution .

           2027684



Caution: This is a self-retaining fastener joint that does not require thread locking compounds. Do not attempt to clean the threads with a standard tap. If a standard tap is used, damage to the joint threads will occur.

2. Tighten the bearing/hub bolts (1) a first pass to 90 N·m (66 lb ft) .
Warning:  Refer to Torque-to-Yield Fastener Warning .
3. Tighten the NEW bearing/hub bolts (1) a final pass to an additional 60 - 75 degrees , using the EN-45059   meter .

           2027678



4. Install the wheel speed sensor wiring harness to the steering knuckle.
5. Install the wheel speed sensor (2).
6. Install the wheel speed sensor bolt (1) and tighten to 6 N·m (53 lb in) .
7. Install the brake rotor. Refer to Front Brake Rotor Replacement .
8. Install the NEW wheel drive shaft retaining nut and washer. Refer to Front Wheel Drive Shaft Replacement - Right Side or Front Wheel Drive Shaft Replacement - Left Side .
9. Remove the support and lower the vehicle.

Rear Brake Caliper Bracket Replacement > < Front Disc Brake Pads Replacement