Pressurised Leak Test - Volkswagen Touareg 2010 Workshop Manual

Touareg 2010 ➤
Brake systems - Edition 05.2011
3

Pressurised leak test

Special tools and workshop equipment required
♦ Tester for brake pressure regulator -V.A.G 1310 A-
♦ Adapter M10 -V.A.G 1310/6-
♦ or
♦ Adapter M8 -V.A.G 1310/13-
♦ or
♦ Adapter M7 -V.A.G 1310/1-
Test prerequisites:
Brake system (hydraulic unit, brake hoses, brake lines and brake
calipers) operating properly and free of leaks.
– Remove bleeder valve at one of front brake calipers.
– Connect brake system tester -V.A.G 1310 A- with correspond‐
ing adapter and bleed.
– Apply pressure to brake pedal until gauge indicates a pressure
of 50 bar. The pressure must not drop by more than 4 bar
within the test period of 45 seconds. Renew brake master cyl‐
inder if drop in pressure exceeds specification.
74
Rep. gr.47 - Brakes - hydraulics