Volkswagen Golf Service & Repair Manual: Connecting vacuum gauge for brake servo -VAS 6721-

Volkswagen Golf Service & Repair Manual / Brake system / Brakes, hydraulics, regulator, servo / Vacuum system / Connecting vacuum gauge for brake servo -VAS 6721-

Special tools and workshop equipment required

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.

Connecting vacuum gauge for brake servo -VAS 6721-

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

Connecting vacuum gauge for brake servo -VAS 6721-

Item number

Component

Explanation

Cut-off valve

In direction of vacuum hose, non-return valve and, if fitted, vacuum pump

Cut-off valve

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

Open to simulate a fault source

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.

Connecting vacuum gauge for brake servo -VAS 6721-

Instructions for checking

The following instructions are intended to help you find the causes of problems effectively and objectively in the event of complaints about the brake servo or in the ...

Checking vacuum generation

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