Connect/disconnect tester at brake booster - AR43.10-P-0024-01GG

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

Courtesy of MERCEDES-BENZ USA

Disconnect vacuum line (8) from brake booster (1).
Connect measuring connection (070) for testing check valve or brake booster (1) between brake booster (1) and vacuum line (8).
As of delivery date 12/97, measuring connection (070) in vacuum line (8) is installed as standard.
Connect vacuum tester (030) to measuring connection (070).
Shown on model 463 (up to delivery date 12/97)

Fig 2: Identifying Connecting Measuring Connection Between Brake Booster And Vacuum Line
Courtesy of MERCEDES-BENZ USA