Checking Check Valve - AR43.10-P-0023LW

Model 205

Model 213

Model 238

Model 253

Courtesy of MERCEDES-BENZ USA

Shown on model 205

Courtesy of MERCEDES-BENZ USA

	Remove
1	Remove left and right wiper arms		AR82.30-P-6100LW
2	Remove cover (1)
3	Remove strut (2)
	Check
4	Reduce vacuum in BAS brake booster (A7/7) by depressing brake pedal several times
5	Connect vacuum tester (030) with test connection (031) to BAS brake booster (A7/7)	Model 238	AR43.10-P-0024-01LWO
		Model 205, 213, 253	AR43.10-P-0024-01V
		Vacuum tester	Fig 1
		Test connection	Fig 2
	Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.	Secure vehicle to prevent it from starting off by itself. Wear buttoned-up and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
6	Start engine and switch off when test pressure is reached	Reduce the excess test pressure by depressing the brake pedal.
		Check valve/pressure in vacuum system of brake booster	*BE43.10-P-1006-01G
7	Check the check valve (17)	Check valve/pressure in vacuum system of brake booster If there are problems ↓ Replace vacuum line (8) with check valve (17).	*BE43.10-P-1006-01G
			AR43.10-P-0355LW
8	Disconnect vacuum tester (030) with test connection (031) from BAS brake booster (A7/7)	Model 238	AR43.10-P-0024-01LWO
		Model 205, 213, 253	AR43.10-P-0024-01V
	Install
9	Fit left and right wiper arms		AR82.30-P-6100LW
10	Install cover (1)
11	Install strut (2)	Screw/bolt, lower strut to suspension strut tower mounting bracket	*BA62.30-P-1003-02K
		Screw/bolt, lower strut to firewall	*BA62.30-P-1004-02K

CHECK VALUES FOR PNEUMATIC BRAKE BOOSTER

Number	Designation			Model 205	Model 213
BE43.10-P-1006-01G	Check valve/pressure in vacuum system of brake booster	Test pressure (vacuum)	bar	0, 75...0, 8	0, 75...0, 8
		Test period	s	30	30
		Permissible pressure loss	bar	≤0, 2	≤0, 2

CHECK VALUES FOR PNEUMATIC BRAKE BOOSTER

Number	Designation			Model 238	Model 253
BE43.10-P-1006-01G	Check valve/pressure in vacuum system of brake booster	Test pressure (vacuum)	bar	0, 75...0, 8	0, 75...0, 8
		Test period	s	30	30
		Permissible pressure loss	bar	≤0, 2	≤0, 2

FROND END WITH FRONT REINFORCEMENT

Number	Designation		Model 205	Model 213
BA62.30-P-1003-02K	Screw/bolt, lower strut to suspension strut tower mounting bracket	Nm	50	50

FROND END WITH FRONT REINFORCEMENT

Number	Designation		Model 238	Model 253
BA62.30-P-1003-02K	Screw/bolt, lower strut to suspension strut tower mounting bracket	Nm	50	50

FROND END WITH FRONT REINFORCEMENT

Number	Designation		Model 205	Model 213
BA62.30-P-1004-02K	Screw/bolt, lower strut to firewall	Nm	23	23

FROND END WITH FRONT REINFORCEMENT

Number	Designation		Model 238	Model 253
BA62.30-P-1004-02K	Screw/bolt, lower strut to firewall	Nm	23	23

Fig 1: Identifying Vacuum Tester (201 589 13 21 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Test Connection (168 589 08 63 00)

Courtesy of MERCEDES-BENZ USA