seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Checking the vacuum > < Checking the brake servo vacuum system
Connect the Brake servo testerVAS 6721
Connect the Brake servo tester -VAS 6721-
–  Disconnect the vacuum pipe from servo brake.
The brake pedal must be pressed a few times in advance to allow an easier disassembly of the vacuum hose.
   
–  Use the Brake servo tester -VAS 6721--, see the following images-.
  N47-10223
Item numberComponentExplanatory notes
AShut-off valveIn the direction of the vacuum hose, shut-off valve and, where applicable, vacuum pump
BShut-off valve
t  For easier removal of the Brake servo tester -VAS 6721-, open it.
t  Open to simulate an error source.
t  Connecting the Hand vacuum pump -VAS 6213-
CShut-off valveIn direction of the brake servo

   
–  Connect the hose -A- of the Brake servo tester -VAS 6721- to the vacuum hose and attach the adapter -C- to the brake servo.
  N47-10209

Checking the vacuum > < Checking the brake servo vacuum system