Inspection Instruction
WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, 2013 Volkswagen Beetle, and 2012 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
If a customer has reported a problem with the brake booster or a so-called >>hard brake pedal<<, perform a Fault Finding.
The following components are included in the check:
- Brake booster. Refer to OVERVIEW - BRAKE BOOSTER/BRAKE MASTER CYLINDER
- Seal between the master brake cylinder and the brake booster. Refer to OVERVIEW - BRAKE BOOSTER/BRAKE MASTER CYLINDER
- Check valve
- Vacuum hoses and connectors
- Vacuum pump (if equipped).
The geographic location will influence the measurement results. The higher above sea level, the lower the air pressure.
Observe test requirements:
- Check all the vacuum hoses for damage (for example, tears or damaged caused by animals) and make sure they are secure
- Maintain clean working conditions when working on the vacuum system
- Clean the engine compartment before starting, if necessary
Special tools and workshop equipment required
- Brake Servo Tester VAS6721