Astra L4-1.8L (2009)
Hydraulic Control Assembly - Antilock Brakes: Service and Repair
Brake Pressure Modulator Valve Replacement
Brake Pressure Modulator Valve Replacement
Removal Procedure
Note: It is essential to comply with the instructions for the hydraulic modulator and the ABS control unit. Refer to ABS Control Unit General
Repair Specification (See: Antilock Brakes / Traction Control Systems/Specifications/ABS Control Unit General Repair Specification).
1. Remove the cover of the brake fluid reservoir.
2. Siphon out as much brake fluid as possible with a siphon bottle.
3. Remove the battery.
1. Remove the ground connection nut and remove the terminal from the battery.
2. Remove the positive connection nut and remove the positive terminal from the battery.
3. If present, remove the thermal protection (battery jacket).
4. Remove the bracket that holds the battery.
Remove the bolt. Use a magnetic nut to prevent the bolt from falling into the engine compartment.
5. Remove the battery.
4. Remove the battery support.
Remove the 3 bolts (2).
Note: Cooling system remains sealed.
5. Remove the coolant surge tank.
1. Remove the securing clip of the surge tank. Use a hook and pull the clip to the front of the vehicle.
2. Disconnect the wiring harness plug, below the surge tank, from the coolant level sensor.
3. Pull the coolant surge tank to the front of the vehicle and set the coolant surge tank aside.
