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6 - Sealing ring
7 - Torx bolt, 5 Nm
8 - Clip
9 - Brake light switch -F-
❑ Removing and installing (LHD)
❑ Removing and installing (RHD)
10 - Self-locking hexagon nut, 23 Nm
❑ Always renew after removing.
11 - Brake master cylinder
❑ Cannot be repaired. If faulty, renew as a complete unit.
❑ Removing and installing (LHD)
❑ Removing and installing (RHD)
12 - Brake line, 18 Nm
❑ Secondary piston circuit of brake master cylinder to hydraulic unit
13 - Brake line, 18 Nm
❑ Primary piston circuit of brake master cylinder to hydraulic unit
14 - Sealing plug
❑ Moisten with brake fluid and press into brake fluid reservoir.
15 - Brake fluid level warning contact -F34-
16 - Stud, 8 Nm
17 - Cap
18 - Brake fluid reservoir
19 - Pressure sensor
❑ Brake servo pressure sensor -G294- , hybrid.
❑ Vacuum sender -G608- V8 FSI
❑ Removing and installing on right-hand drive models
20 - Vacuum hose
❑ Fit in brake servo.
❑ Removing and installing on right-hand drive models
21 - Sealing plug
❑ Connection for vacuum hose.
5.1
Removing and installing brake light
switch -F- , left-hand drive
5.1.1
Removing
– Remove left plenum chamber cover ⇒ General body repairs,
exterior; Rep. gr. 50 ; Plenum chamber cover .
– Pull off engine compartment seal in vicinity of brake servo.
– Remove left plenum chamber bulkhead ⇒ General body re‐
pairs, exterior; Rep. gr. 50 ; Plenum chamber bulkhead .
– Pull E-box out of retainer in plenum chamber and lay to side
⇒ Electrical system; Rep. gr. 97 ; E-boxes .
Touareg 2010 ➤
Brake systems - Edition 05.2011
5. Assembly overview - brake servo/brake master cylinder
79