Removing and installing brake pads, floating caliper disc brake FN3 — VW

Removing and installing brake pads, floating caliper disc brake FN3
Special tools and workshop equipment required
Piston resetting appliance
T10145
Torque wrench
V.A.G 1331
Removing
Note
Mark brake pads/linings when removing if they are to be reused. Fit in same position when installing, or braking will be uneven.
Remove wheels.
Press retaining spring in direction of
arrow A
until it can be pressed out of hole in direction of
arrow B
.
Turn retaining spring
1
clockwise
arrow
until it can be removed from upper hole.
Remove cover caps
1
.
Push connector
2
in direction of
arrow
out of retainer on brake caliper.
Separate connection
2
.
Remove cable from retainer
3
.
Unscrew and remove both guide pins
arrows
from brake caliper.
Remove brake caliper and secure with wire so that weight of brake caliper does not strain or damage brake hose.
Remove brake pads.
Cleaning
WARNING
Do not blow out brake system with compressed air; the resulting dust is harmful.
Thoroughly clean contact surfaces for brake pads on brake carrier, and remove corrosion.
Clean brake caliper.
Note
Use only methylated spirits for cleaning the brake caliper housing.
Installing
Installation is performed in reverse sequence; note the following:
Note
Before pressing the brake pistons back, draw off some brake fluid from the brake fluid reservoir using
piston resetting appliance
T10145
. Otherwise there is a risk of brake fluid spilling out of the reservoir and causing damage to the vehicle when the brake pistons are being pressed back.
Press piston back.
Piston resetting appliance
T10145
Clean brake caliper (remove adhesive remains), the adhesive surface must be clean and dry.
Pull protective covering off backplate of pad.
Insert brake pad with retaining springs into pistons
arrows
.
Fit outer brake pad to brake carrier.
Bolt brake caliper to brake carrier with both guide pins
arrows
.
Fit both cover caps.
Insert wire of brake pad wear indicator into bracket on brake caliper.
Reconnect connector, and push it into bracket on brake caliper.
Fit retaining spring into upper hole
arrow
and turn anti-clockwise
direction of arrow
.
Position retaining spring at bottom of brake carrier.
First press retaining spring in direction of
arrow A
, and then simultaneously into hole in brake caliper in direction of
arrow B
.
Fit wheels
Running gear, axles, steering
Rep. gr.
44
Wheels, tyres
.
Note
Every time after changing pads, depress brake pedal firmly several times with vehicle stationary so that brake pads are properly seated in their normal operating position.
Check brake fluid level after changing brake pads.
Specified torques
Chapter
“
Assembly overview - front brake, floating caliper disc brake FN3
”