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Removing and installing brake pads > < Changing the brake pads of the rear wheel disc brake - Mounting instructions
Removing and installing rear wheel brake
Removing and installing rear wheel brake
Special tools and workshop equipment required
t  Brake filling and bleeding device, e.g. -VAS 5234-
t  Brake pedal load, e.g. -V.A.G 1238/B-
t  Bleeding bottle (commercially available)
t  Brake fluid → Chapter
t  Solid lubricant paste -G 000 650- (e.g. Wolfrakote Top Paste)
  Note
t  After replacing the brake pads, depress brake pedal firmly several times when the vehicle is stationary to ensure the brake pads are properly seated in their normal operating position.
t  Use a bleeding bottle, that only comes into contact with the brake fluid, to drain brake fluid from the brake fluid reservoir. Brake fluid is toxic and must never be sucked into your mouth via a hose!
t  Before removing a brake caliper or separating a brake hose from the brake caliper, the brake pedal must be locked; e.g. with brake pedal load -V.A.G 1238/B-.
t  Already used brake fluid must never be used again.
t  Tightening torque of the wheel screws: 120 Nm.
   
1 - 4 Nm
2 - Brake disc, internally ventilated
t  Diameter 256 mm
t  Thickness 22 mm
t  Wear limit 20 mm
t  if worn replace axle-wise
3 - Brake disc
t  Diameter 232 mm
t  Thickness 9 mm
t  Wear limit 7 mm
t  if worn replace axle-wise
4 - Cap
t  press off → Chapter
t  inserting → Chapter
5 - Self-locking twelve-point nut, 70 Nm + 40°
t  replace after each removal
6 - Wheel hub with wheel bearing and pulse rotor
t  only on vehicles with ABS
t  replace after each removal
t  must be replaced completely
t  pressing in and pressing out → Chapter
7 - 30 Nm + 90°
8 - Cover plate
9 - Axle stud
10 - Hand-brake cable
t  Setting the hand-brake → Chapter
t  removing and installing → Chapter
11 - Axle body
12 - ABS wheel speed sensor
t  clean the inner surface of the hole before inserting the wheel speed sensor and coat with a solid lubricant paste -G 000 650- (e.g. Wolfrakote Top Paste)
13 - 8 Nm
14 - 30 Nm + 30°
15 - Brake carrier with guide bolts and protective caps
t  must be assembled with sufficient grease on the guide bolt, supplied as a spare part
t  fit a repair set if there is any damage to the protective caps or guide bolts; (use the enclosed grease packing to lubricate the guide bolts)
t  Observe the instructions for changing the pad → Chapter
16 - Brake hose with banjo union and hollow screw
t  must be replaced completely, do not dismantle
t  Tightening torque of the hollow screw: 35 Nm
t  do not unscrew the brake line when replacing the brake pad
17 - Self-locking screw, 35 Nm
t  always replace
18 - Brake caliper
t  do not unscrew the brake line when replacing the brake pad
t  removing
–  Remove brake pads -Pos. 19
–  Insert brake pedal load.
–  Unscrew brake hose -Pos. 16- at brake caliper.
t  Installing:
–  Install brake pads -Pos. 19-
–  Screw brake hose -Pos. 16- to brake caliper
–  Take out brake pedal load.
–  Bleeding Brake System → Chapter.
t  repairing → Chapter
t  Observe the instructions for changing the pad → Chapter
t  One must first adjust the hand-brake cable after undertaking repair or replacement work
The foot brake must not be applied beforehand!
t  Setting the hand-brake → Chapter
19 - Brake pads
t  Thickness 17 mm (including the support plate)
t  Wear limit: 7.5 mm (including supporting plate)
t  Check thickness: → BookletOctavia
t  always replace axle-wise
t  removing and installing → Chapter
t  Observe the instructions for changing the pad → Chapter
20 - Pad retaining spring
t  always replace when changing the brake pads
t  Observe the instructions for changing the pad → Chapter

   

Removing and installing brake pads > < Changing the brake pads of the rear wheel disc brake - Mounting instructions