TT Coupe L4-1.8L Turbo (AWP) (2005)
Vacuum Pump: Testing and Inspection
Brake System Vacuum Pump, Checking
Test Procedure
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Drive vehicle onto lifting platform, switch engine off.
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Start engine.
^
While the engine is being started the brake system vacuum pump V192 (located on subframe in front of steering box, left side) should run
briefly.
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A second person has to touch the pump by hand to check whether it is running.
If brake system vacuum pump V192 does not run:
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Check fault memory in the engine control module.