Vauxhall Workshop Service and Repair Manuals

Brake Master Cylinder  

Two different compact brake master cylinders are installed in the Astra-G depending on the engine version; these units are not interchangeable.  

Engine	Number of central valves	Nominal diameter in mm	Code
X 12 XE 1)	1	22.22	22
All engines	2	23.81	23

1)  Except Germany  

• Service  

Repair of the brake master cylinder is not envisaged.