Diagnostic Manual, Chassis and Drivetrain,
Volume 2
Hydraulic Test Program - Preparation for Test
1. Connect brake bleeder.
2. Release system pressure. Ignition: OFF. Open vent screw "SP" on ABS/ASR hydraulic unit (A7/3) and allow contents of pressure reservoir to drain into container for brake fluid.
3. Connect pressure tester to "SP" on ABS/ASR hydraulic unit (A7/3).
WARNING!
A hydraulic oil system pressure tester may not be used on a brake fluid system. The mineral oil in the tester will mix with the brake fluid and result in brake failure!
4. Ignition: OFF.
5. Disconnect ABS/ASR control module (N30/1).
6. Connect socket box with contact module 2 according to connection diagram (only needed for 1.0).
7. Release system pressure by opening vent screw (d) on pressure
tester (11).
8. Upon completion of test, load pressure reservoir (connect N30/1 and Engine: at Idle until reservoir is full), and then correct fluid level in brake fluid reservoir. |
Equipment
Brake bleeder 1) |
Ammco model 7301 with adaptor no. 7309 |
1) Available through the MBUSA Standard Equipment Program. |
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