Contents Wiring diagrams Section: Mechanical - Hydraulic All sections

Disc Brakes: Specifications Audi A4 B5 facelift

TORQUE SPECIFICATIONS

ApplicationFt. Lbs. (N.m)
Brake Line-To-Caliper11 (15)
Caliper-To-Carrier Bolt (Guide Pin)
Front18 (25)
Rear (1)26 (35)
Carrier-To-Wheel Bearing Housing Bolt
Front92 (125)
Rear
FWD (2)70 (95)
AWD (2)44 (60)
Master Cylinder-To-Booster
Torx Bolt18 (25)
Self-Locking Nut (1)36 (49)
Wheel Lug Bolt89 (120)
INCH lbs. (N.m)
Rotor-To-Hub Bolt89 (10)
(1) Always replace with NEW part. (2) Upon removal, note length and position of fasteners. Reinstall fasteners in original position only.
(1)Always replace with NEW part.
(2)Upon removal, note length and position of fasteners. Reinstall fasteners in original position only.

TORQUE SPECIFICATIONS (SINGLE PISTON CALIPER EQUIPPED)

ApplicationFt. Lbs. (N.m)
Brake Line-To-Caliper11 (15)
Caliper-To-Carrier Bolt (Guide Pin)
Rear22 (30)
Carrier-To-Wheel Bearing Housing Bolt
Front148 (200)
Rear
FWD (1)70 (95)
AWD (1)44 (60)
Front Brake Pad-To-Caliper Torx Bolts (1)
Dual Piston Caliper18 (25)
Master Cylinder-To-Booster
Torx Bolt18 (25)
Self-Locking Nut (2)36 (49)
Outer Brake Pad-To-Frame (Torx Bolt) (2)18 (25)
Wheel Lug Bolt89 (120)
INCH lbs. (N.m)
Rotor-To-Hub Bolt89 (10)
(1) Upon removal, note length and position of fasteners. Reinstall fasteners in original position only. (2) Always replace with NEW part.
(1)Upon removal, note length and position of fasteners. Reinstall fasteners in original position only.
(2)Always replace with NEW part.

TORQUE SPECIFICATIONS (DOUBLE PISTON CALIPER EQUIPPED)

DISC BRAKE SPECIFICATIONS

ApplicationIn. (mm)
Front
Brake Pad Thickness (Single Piston)
Wear Limit (Friction Material).08 (2)
Wear Limit (Including Backing Plate.28 (7)
Ventilated Disc
Disc Diameter11.34 (288)
Lateral Runout.002 (.05)
Original Thickness.984 (25)
Minimum Thickness.906 (23)
Non-Ventilated Disc
Disc Diameter11.340 (288)
Lateral Runout.002 (.05)
Original Thickness.591 (15)
Minimum Thickness.512 (13)
Caliper Piston Diameter2.24 (57)
Rear
Brake Pad Thickness (Single Piston)
New.47 (12)
Wear Limit (Friction Material).08 (2)
Wear Limit (Including Backing Plate.28 (7)
Disc Diameter9.65 (245)
Lateral Runout.002 (.05)
Original Thickness.394 (10)
Minimum Thickness.315 (8)
Caliper Piston Diameter1.5 (38.1)
Master Cylinder Piston Diameter.937 (23.81)
Brake Servo Diameter10 (254)

DISC BRAKE SPECIFICATIONS (SINGLE PISTON CALIPER EQUIPPED)

ApplicationIn. (mm)
Front
Brake Pad Thickness (1)
New.55 (14)
Wear Limit(2)
Ventilated Disc
Disc Diameter12.64 (321)
Lateral Runout.002 (.05)
Original Thickness1.18 (30)
Minimum Thickness1.10 (28)
Caliper Piston Diameter1.69 (42.8)
Rear
Brake Pad Thickness
New.47 (12)
Wear Limit (Friction Material).08 (2)
Wear Limit (Including Backing Plate.28 (7)
Disc Diameter9.65 (245)
Lateral Runout.002 (.05)
Original Thickness.394 (10)
Minimum Thickness.315 (8)
Caliper Piston Diameter1.5 (38.1)
Master Cylinder Piston Diameter.999 (25.4)
Brake Servo Diameter10 (254)
(1) Outer pads come with adhesive with protective sheet on backing plate. Remove sheet before installation. (2) Brake pad warning light will illuminate when wear limit is reached.
(1)Outer pads come with adhesive with protective sheet on backing plate. Remove sheet before installation.
(2)Brake pad warning light will illuminate when wear limit is reached.

DISC BRAKE SPECIFICATIONS (DOUBLE PISTON CALIPER EQUIPPED)