Checking check valve - AR43.10-P-0023P

MODEL 203 

Fig 1: Checking Check Valve

	Checking
1	Connect tester (030) to brake booster	Reduce vacuum by depressing the brake pedal several times. Test connection (031) for testing the check valve (17) or brake booster (16).	AR43.10-P-0024-01P
		Vacuum tester	Fig 2
		Test connection	Fig 3
2	Start engine and create a vacuum of 0.75 to 0.80 bar by accelerating and then suddenly releasing the accelerator pedal	Reduce vacuum >0.8 bar by depressing the brake pedal several times.
3	Switch off engine	Vacuum must not drop by more than 0.2 bar within 30 seconds. Vacuum loss > 0.2 bar, replace vacuum line if necessary: ↓
		Checking brake booster	AR43.10-P-0325P
4	Disconnect tester (030) from brake booster	Vacuum tester	Fig 2
		Test connection	Fig 3

Fig 2: Identifying Vacuum Tester (201 589 13 21 00)

Fig 3: Identifying Test Connection (168 589 08 63 00)