Q7 Quattro V6-3.6L (BHK) (2007)
Vacuum Brake Booster: Locations
Brake booster/master brake cylinder, assembly overview
Note: Use only new brake fluid. Observe information on brake fluid reservoir!
1 -
Brake booster seal
2 -
Brake booster
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To test function, with engine switched off, depress brake pedal firmly several times (to deplete vacuum in tool).
^
Depress and hold brake pedal with average foot pressure and start engine. If brake booster is working properly, pedal will be felt to give
noticeably under foot (booster assist becomes effective).
^
Replace as a unit in the event of malfunction (previously, check all vacuum lines).
3 -
Mounting bracket for pedal assembly
4 -
Wiring to master cylinder
5 -
Brake line
^
To brake pedal
6 -
Bracket
7 -
Brake line
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Torque specification 14 Nm
^
Brake master cylinder/secondary piston circuit to hydraulic unit
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Identification at hydraulic unit - SK
8 -
Brake line
^
Torque specification 14 Nm
^
Brake master cylinder/primary piston circuit to hydraulic unit
^
Identification at hydraulic unit - DK