vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Rear Brake Hose Replacement - Disc Brake > < Servo Unit Vacuum Sensor Replacement

Master Cylinder Replacement (Left Hand Drive)

Removal Procedure

Warning:  Refer to Brake Fluid Irritant Warning .

Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution .


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Note:  DO NOT disconnect engine coolant hoses.
1. Remove the radiator surge tank clip (2).
2. Remove the radiator surge tank (1) and put aside - without draining.
3. Disconnect the brake fluid level indicator switch electrical connector and separate from brake fluid reservoir.

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4. Disconnect the master cylinder secondary brake pipe fitting (1).
  Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.

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5. Disconnect the master cylinder primary brake pipe fitting (1).
  Cap the brake pipe fitting and plug the master cylinder outlet port to prevent brake fluid loss and contamination.

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6. Remove and DISCARD master cylinder nuts (1).
7. Remove master cylinder with brake fluid reservoir.
8. Inspect the master cylinder to vacuum brake booster seal for damage and replace, if necessary.
9. Remove the master cylinder reservoir, if necessary. Refer to Master Cylinder Reservoir Replacement

Installation Procedure

1. Install the brake fluid reservoir to master cylinder. Refer to Master Cylinder Reservoir Replacement .
2. Ensure the master cylinder to vacuum brake booster seal is properly seated on the master cylinder barrel.

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3. Perform the master cylinder bench bleeding. Refer to Master Cylinder Bench Bleeding .
4. Install the master cylinder.
Warning:  Refer to Torque-to-Yield Fastener Warning .


Caution: Refer to Fastener Caution .

5. Install NEW master cylinder nuts (1) and tighten to 50 N·m (37 lb ft) .
6. Install the brake fluid level indicator switch harness to the brake fluid reservoir and connect the electrical connector.

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7. Connect the master cylinder primary brake pipe fitting (1) and tighten to 18 N·m (13 lb ft) .

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8. Connect the master cylinder secondary brake pipe fitting (1) and tighten to 18 N·m (13 lb ft) .

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9. Reposition and install the radiator surge tank (1).
10. Install the radiator surge tank clip (2).
11. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .

Rear Brake Hose Replacement - Disc Brake > < Servo Unit Vacuum Sensor Replacement