Remove/install brake booster - AR43.10-P-0350I

MODELS 215, 220 

Fig 1: Identifying Brake Booster Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Brake Booster Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

11.3.04

Repair method revised as per economics based on time requirement

	Remove/Install
	Risk of poisoning  caused by swallowing brake fluid. Risk of injury  caused by brake fluid coming into contact with skin and eyes.	Pour brake fluid only into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.
	Notes on handling brake fluid
	Notes on repairs to brake system
	Notes on externally invisible brake fluid loss
	In order to prevent paint damage, brake fluid which has escaped must be rinsed off immediately with water
1	Open engine hood
2	Remove master brake cylinder (1).	Check brake master cylinder for leaks at rear of thrust rod piston.	AR42.10-P-0300I
3	Remove gasket (33)
4	Detach cover (34) of cable duct
5	Remove brake lines (31)
6	Remove left wiper arm
7	Loosen cover (32) on the left side and pull forwards slightly
8	Remove left cover below instrument panel	Model 215	AR68.10-P-1500N
		Model 220
9	Remove stop lamp switch (S9/1)		AR42.10-P-0040I
10	Detach cover (22) of pedal assembly
11	Pull off retainer (25) at brake booster to brake pedal and remove bolt (26)
12	Detach connector from BAS release switch (A7/7s1)
13	Detach connector from diaphragm travel sensor (A7/7b1)
14	Disconnect vacuum line (8) from brake booster (16)	Check gasket, replace if necessary.
15	Unscrew mounting nuts (23, 2 pieces) of brake booster		*BA43.10-P-1002-01A
16	Lift up cover (32) and remove brake booster (16)	Do not damage front timing case and rubber sleeve when removing and installing brake booster.
17	Install in the reverse order
18	Bleed brake system
19	Adjust stop lamp switch (S9/1)	Refer to: ↓
		Remove/install stop lamp switch	AR42.10-P-0040I
	Check
20	Check brake system for leaks		AR42.10-P-0100-01A

PNEUMATIC BRAKE BOOSTER

Number	Designation		Model 215	Model 220
BA43.10-P-1002-01A	Nut, brake booster carrier to front end	Nm	24	24