Brake system specifications (Opel Astra H)

Type - All models are equipped with anti-lock braking system (ABS)

General parameters

System type:

• Front disc brakes are ventilated, rear disc brakes.
• Double hydraulic circuit with diagonal division.
• Vacuum brake booster and ABS are standard equipment.
• Parking brake drive on the rear wheels is cable-operated with manual control

Disc brakes

See Specifications for Chapter 1.

OBD II ABS Diagnostic Trouble Codes

Code Designation/Possible Source of Violation

P0035 Left Front Wheel Sensor

P0040 Right Front Wheel Sensor

P0045 Left Rear Wheel Sensor

P0050 Right Rear Wheel Sensor

P0060 Left Front Wheel Sensor Output Solenoid Valve

P0065 Left Front Wheel Sensor Input Solenoid Valve

P0070 Right Front Wheel Sensor Output Solenoid Valve

P0075 Right Front Wheel Sensor Input Solenoid Valve

P0080 Left Rear Wheel Sensor Output Solenoid Valve

P0085 Left Rear Wheel Sensor Input Solenoid

P0090 Right Rear Wheel Sensor Output Solenoid Valve

P0095 Right Rear Wheel Sensor Input Solenoid

P0110 Pump Motor Supply Voltage Excessively Low

P0121 System Relay Circuit

P0141 Right Front Traction Control System (TCS) Primary Solenoid

P0146 Right Front TCS Switch Solenoid

P0151 Left Front TCS Primary Solenoid

P0156 Left Front TCS Switch Solenoid

P0161 Brake Pedal Position (BPP) Sensor Circuit Open

P0236 Engine Speed Sensor No Signal

P0241 Engine Torque Reduction Subsystem No Signal

P0244 No Engine Torque Input Signal



P0245 Wheel Sensor Signal Error

P0550 Electronic Control Unit (ECU) Malfunction

P0551 ECU Program Error

P0800 Supply voltage

Tightening force of threaded connections, Nm

• Hollow bolt for fastening the brake hose to the caliper - 40
• Brake hose union nut 14
• Front Wheel Caliper Mounting Boots - 28
• Rear Wheel Caliper Mounting Boots - 25
• Guide rail mounting bolts - 100
• Front brake disc mounting screw - 7
• Rear brake disc mounting screw - 4
• Fastening and nipple nuts of the GTZ - 8
• All brake pedal threaded connections - 8
• Parking brake lever mounting nuts - 8
• Wheel mounting bolts - 110