Volkswagen Workshop Service and Repair Manuals > Golf Mk6 > Brake systems | Brakes, hydraulics, regulator, servo | Brake servo/brake master cylinder (left-hand drive vehicle) | Checking brake servo vacuum system | Connecting vacuum gauge for brake servoVAS 6721

Connecting vacuum gauge for brake servoVAS 6721

Connecting vacuum gauge for brake servo -VAS 6721-

–	Pull vacuum hose out of brake servo.

First press the brake pedal several times in order to facilitate removal of the vacuum hose.

–	Place brake servo vacuum gauge -VAS 6721- between them -see following illustrations-.

Item number

Component

Explanation

Cut-off valve

In direction of vacuum hose, non-return valve and, if there is one, vacuum pump

Cut-off valve

t	Open to facilitate removal of brake servo vacuum gauge -VAS 6721-

t	Open to simulate a fault source

t	Connection of manual vacuum pump -VAS 6213-

Cut-off valve

In direction of brake servo

–	Push hose -A- of brake servo vacuum gauge -VAS 6721- onto vacuum hose and press adapter -C- into brake servo.

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