Remove/Install Brake Booster Vacuum Line - AR43.10-P-0355W

MODEL 172 with ENGINE 152, 271, 276 

Engine 271 

Courtesy of MERCEDES-BENZ USA

Engine 276 

Fig 1: Brake Booster Vacuum Line Components Location - Engine 276

Courtesy of MERCEDES-BENZ USA

Engine 152 

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Eliminate vacuum in BAS brake booster (A7/7)	To do so, depress the brake pedal several times with the engine switched off.
2	Open engine hood and raise to vertical position		AR88.40-P-1000V
3	Remove air filter housing	Engine 152	AR09.10-P-1150MMI
4	Detach vacuum line (4) from check valve (2)	On vehicles with radiator shutters
5	Pull vacuum line (1) with check valve (2) out of seal (3) of BAS brake booster (A7/7)	Replace seal (3).
6	Detach vacuum line (1) from connection fitting (5) and remove vacuum line (1)	To do this, press the locks (arrows).
7	Install in the reverse order
8	Carry out brake test on brake dynamometer		AP42.00-P-4290BA