Vauxhall Workshop Service and Repair Manuals > Astra H > H Brakes | Rear Wheel Brake | Brake Drum (Drum Hub) | Repair Instructions | Technical Data - Rear Wheel Brake

Technical Data – Rear Wheel Brake – Drum Brake

Engine
Wheel brake cylinder
	Nominal diameter	mm	19.05
Brake Drum
	Inner diameter – new	mm	230.0
	Width	mm	40.0
	Largest permissible inner diameter after precision turning	mm	231.0
	Permissible out-of-round	mm	0.05
Brake Shoes
	Thickness without lining carrier – new	mm	5.0
	Permissible remaining thickness without lining holder	mm	1.0

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