Overview - Front Brakes, Q8

Fig 1: Exploded View Of FRONT BRAKES (1LJ, 1LL, 1ZA AND 1ZC)

Courtesy of AUDI

1. Brake Shield
   • Refer to BRAKE SHIELD, REMOVING AND INSTALLING 
2. Wheel Bearing Housing
3. Bracket
   • For brake hose
4. Bolt
   • 10 Nm
   • Always replace self-locking bolts.
   • Replace damaged bolts
   • Clean bolts before reusing
5. Bracket
   • For brake hose
6. Rivet
7. Bracket
   • For the brake line/hose
   • On the body
8. Spring
   • Replace if damaged
9. Brake Line
   • Brake line to brake hose tightening specification: 14 Nm
10. Brake Hose
    • Replace if damaged
    • Allocation. Refer to the appropriate Parts Information.
    • Make sure the brake hose is routed correctly. Make sure the brake hose is not blocked, bent, twisted or rubbing against the vehicle.
    • Make sure that tabs are properly seated in the grooves on the bracket.
    • Brake hose to brake caliper tightening specification. Refer to Fig 3.
11. Bolt
    • 196 Nm
    • Replace damaged bolts
    • Always replace self-locking bolts.
    • Clean bolts before reusing
12. Brake Pads
    • Always replace on both sides of the axle
    • Checking pad thickness. Refer to BRAKE PADS, CHECKING THICKNESS .
    • Allocation. Refer to the appropriate Parts Information.
    • Refer to BRAKE PADS, REMOVING AND INSTALLING 
    • Installation position. Refer to Fig 4.

      When changing the brake pad, check the brake rotor for wear and damage.

13. Brake Pad Retaining Plate
    • Replace when replacing the pads
    • Check for proper seating
14. Brake Pad Spring
    • Replace when replacing the pads
    • Check for proper seating
15. Brake Pad Wear Indicator Wire
    • With
      • Left Front Brake Pad Wear Sensor -G34-
      • Right Front Brake Pad Wear Sensor -G35-
    • For inner brake pad
    • Replace when replacing the brake pads.
    • Refer to BRAKE PAD WEAR INDICATOR WIRE, REMOVING AND INSTALLING 
16. Cap
17. Bleed Screw
    • 18 Nm
    • Refer to HYDRAULIC SYSTEM, BLEEDING
    • Before installing coat thinly using Lubricating Grease. For the allocation. Refer to the appropriate Parts Information.
18. Brake Caliper
    • Allocation. Refer to the appropriate Parts Information.
    • Do not loosen the brake caliper/brake carrier threaded connection. Refer to Fig 2.
    • Refer to BRAKE CALIPER, REMOVING AND INSTALLING, Q8 
    • Refer to BRAKE PISTON, REMOVING AND INSTALLING
19. Brake Pad Retaining Plate
    • Replace when replacing the pads
    • Check for proper seating
20. Bolt
    • 10 Nm
    • Replace damaged bolts
    • Always replace self-locking bolts.
    • Clean bolts before reusing
21. Brake Rotor
    • Allocation. Refer to the appropriate Parts Information.
    • Always replace on both sides of the axle
    • Do not use excessive force to separate the brake rotor from the wheel hub. Use rust remover, if necessary, otherwise the brake rotor could be damaged.

      When changing the brake pad, always check the brake rotor wear limit.

    • Refer to BRAKE ROTOR, REMOVING AND INSTALLING, STEEL BRAKES 
    • Refer to BRAKE ROTOR, REMOVING AND INSTALLING, CERAMIC BRAKES 
22. Bolt
    • 10 Nm
    • Replace damaged bolts
    • Always replace self-locking bolts.
    • Clean bolts before reusing

Do Not Loosen the Caliper/Brake Carrier Bolted Connections.

Fig 2: DO NOT Loosen The Caliper/Brake Carrier Threaded Connections

Courtesy of AUDI

Tightening Specification - Brake Hose to Brake Caliper

Fig 3: Brake Hose On Brake Caliper

Courtesy of AUDI

• Version -A- without union bolt: tighten the brake hose -2- to 20 Nm.
• Version -B- with union bolt, tighten the brake hose -1- to 14 Nm.

Brake Pad Installation Position

Fig 4: Brake Pads Installation Position Version 2

Courtesy of AUDI

-- Pay attention to the labeling -2- on the brake pads.

• LEFT OUTER
• LEFT INNER
• RIGHT OUTER
• RIGHT INNER

• When installed, the arrow -1- on the brake pad backing plate must point upward.