Front Disc Brake (G2417049): Specifications
| Item |
Specification |
| Disc type |
Ventilated |
| Disc diameter: |
|
| Vehicles with 2 piston calipers |
349 mm (13.7 in) |
| Vehicles with 4 piston calipers |
363 mm (14.3 in) |
| Vehicles with 6 piston calipers |
380 mm (14.9 in) |
| Disc thickness: |
|
| Vehicles with 349 mm front brakes: |
|
| New |
34 mm (1.33 in) |
| Service limit |
32 mm (1.26 in) |
| Maximum disc run out |
0.050 mm (0.002 in) with wheel installed |
| Vehicles with 363 mm front brakes: |
|
| New |
33 mm (1.33 in) |
| Service limit |
31 mm (1.22 in) |
| Maximum disc run out |
0.050 mm (0.002 in) with wheel installed |
| Vehicles with 380 mm front brakes: |
|
| New |
34 mm (1.33 in) |
| Service limit |
32 mm (1.26 in) |
| Maximum disc run out |
0.050 mm (0.002 in) with wheel installed |
| Vehicles with 349 mm front brakes: |
|
| Caliper type |
2 piston |
| Piston diameter |
48 mm (1.90 in) |
| Pad minimum thickness |
3.0 mm (0.12 in) |
| Vehicles with 363 mm front brakes: |
|
| Caliper type |
4 piston |
| Piston diameter |
48 mm (1.90 in) |
| Pad minimum thickness |
2.0 mm (0.08 in) |
| Vehicles with 380 mm front brakes: |
|
| Caliper type |
6 piston |
| Piston diameter - 1 and 2 |
36 mm (1.41 in) |
| Piston diameter - 3 and 4 |
38 mm (1.49 in) |
| Piston diameter - 5 and 6 |
40 mm (1.57 in) |
| Pad minimum thickness |
1.5 mm (0.06 in) |
| Brake pad wear sensor lead: |
|
| Location |
Front left brake pad |
| Activates at |
75% of pad life used |
TORQUE SPECIFICATION - VEHICLES WITH 349 MM FRONT BRAKES
| DESCRIPTION |
NM |
LB-FT |
| Brake caliper bleed screw |
10 |
7.4 |
| Brake disc retaining bolt |
35 |
25.8 |
| *Brake caliper carrier to hub bolts |
133 + 60° |
98.1 + 60° |
| Brake caliper to brake caliper carrier bolts |
34.5 |
25.4 |
| Brake hose to caliper banjo bolt |
32 |
23.6 |
TORQUE SPECIFICATION - VEHICLES WITH 363 MM FRONT BRAKES
| DESCRIPTION |
NM |
LB-FT |
| Brake caliper bleed screw |
18.5 |
13.6 |
| Brake disc retaining bolt |
35 |
25.8 |
| *Brake caliper to hub bolts |
133 + 60° |
98.1 + 60° |
| Brake hose to caliper banjo bolt |
32 |
23.6 |
TORQUE SPECIFICATION - VEHICLES WITH 380 MM FRONT BRAKES
| DESCRIPTION |
NM |
LB-FT |
| Brake caliper bleed screw |
18.5 |
13.6 |
| Brake disc retaining bolt |
35 |
25.8 |
| Brake caliper retaining bolts |
133 + 60° |
98.1 + 60° |
| Brake hose to caliper banjo bolt |
32 |
23.6 |
| Brake pad centre bolt |
30 |
22 |
| Brake cooling vent (SVR vehicles only) |
9 |
7 |