Astra L4-1.8L (2009)
Note: Do not use mineral oils or greases when inserting seals (1) or when installing feed line for clutch master cylinder to brake fluid reservoir. If
necessary, brake cylinder paste should be used.
1. Replace seals (1) on the brake master cylinder.
2. Install the brake fluid level sensor.
3. For vehicles with manual transmission, install the supply line for the clutch master cylinder to the brake fluid reservoir.
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
Note: Ensure the brake fluid reservoir is seated perfectly.
4. Install the brake fluid reservoir to the brake master cylinder.
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Install the brake fluid reservoir to the brake master cylinder.
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Install the bolt.
Tighten the brake fluid reservoir bolt to 6 Nm (53 lb in).
5. Connect the wiring harness plug to the brake fluid level sensor.
6. Connect the wiring harness on at the brake fluid reservoir.
7. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (See: Brake Bleeding/Service and Repair).
Top up the brake fluid reservoir to the MAX marking. Refer to Master Cylinder Reservoir Filling (See: Procedures).
8. Install the cover on to the brake fluid reservoir.
Master Cylinder Replacement
Master Cylinder Replacement
Removal Procedure
Warning: Refer to Brake Fluid Irritant Warning (See: Service Precautions/Technician Safety Information/Brake Fluid Irritant Warning).
Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution (See: Service Precautions/Vehicle Damage Warnings).
1. Remove the cover of the brake fluid reservoir.
2. Siphon out as much brake fluid as possible with a siphon bottle.
