Passat 2015 ➤, Passat 2019 ➤, Passat Variant 2015 ➤, Passat Variant 2019 ➤
Maintenance - Edition 11.2020
– Unscrew adapter from brake fluid reservoir.
– Check brake fluid level and adjust level if necessary. It must
be between position -1- and -2-.
– Screw cap -1- onto brake fluid reservoir.
– Check function during road test.
Table - Sequence and quantity of brake fluid
Sequence
Brake fluid quantity
bleeder valves:
which must flow out of bleeder valves:
Brake caliper
Front left
Front right
0.20 l
0.20 l
Wheel brake cylinder/brake caliper
Clutch slave cylinder
Rear left
Rear right
0.30 l
0.30 l
0.15 l
Total quantity for automatic gearbox including
the quantity extracted from the brake fluid res‐
ervoir
approx. 1.00 l
Total quantity for manual gearbox including
the quantity extracted from the brake fluid res‐
ervoir
approx. 1.15 l
4.9
Brake system and shock absorbers: in‐
specting for leaks and damage
Check following components for leaks and damage:
♦ Brake master cylinder
74
4. Descriptions of work
Passat 2015 ➤, Passat 2019 ➤, Passat Variant 2015 ➤, Passat Variant 2019 ➤
Maintenance - Edition 11.2020
♦ Brake servo (for anti-lock brake system: hydraulic unit)
♦ Brake pressure regulator and
♦ Brake caliper
♦ Shock absorbers (during inspection only)
♦ Presence of dust caps on brake fluid bleeder screws
♦ Presence of caps on guide bushes
– Ensure that brake hoses are not twisted.
– Additionally ensure that brake hoses do not touch any vehi‐
cle components when steering is at full lock.
– Check brake hoses for abrasion, porosity and brittleness.
– Check brake lines for corrosion.
– Check brake connections and fastenings for correct seating,
leaks and corrosion.
– Check brake lines and brake hoses for correct seating and
attachment in retainers.
NOTICE
Faults found must always be rectified (repair measure).
4.10
Brakes, front and rear: checking thick‐
ness of brake pads and condition of
brake discs
Front disc brake pads: checking thickness ⇒ page 76
Rear disc brake pads: checking thickness ⇒ page 77
Brake discs: checking condition ⇒ page 78
Special tools and workshop equipment required
♦ Torque wrench
♦ Battery lamp -VAS 6901-
♦ Mirror
The adapter to loosen and tighten the anti-theft wheel bolts can
be found in the vehicle tool kit ⇒ page 143 .
4. Descriptions of work
75
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