1131 Camshaft
B36 ENGINE (COOPER BASE):
TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Intake camshaft and exhaust camshaft to cylinder head | B32/B36/B38 | M6 screw, tensile strength 8.8 | Joining torque tightening torque | 9.6 Nm |
| M6 screw, tensile strength 10.9 | Joining torque tightening torque | 11.8 Nm | ||
| 1AZ Chain tensioner to cylinder head | 1. Tightening torque | 20 Nm | ||
| 2. Angle of rotation | 30° | |||
| 2AZ Plate wheel on intake camshaft | B32/B36/B38 | M6 | 10 Nm | |
| 3AZ Upper tensioning rail to cylinder head | B32/B36/B38 | M6 | 10 Nm | |
B46 AND B48 ENGINES (COOPER S AND JCW):
11 31 CAMSHAFT - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Intake camshaft and exhaust camshaft to cylinder head | B42/B46/B48 | M6 screw, tensile strength 8.8 | Joining torque | 9.6 Nm |
| M6 screw, tensile strength 10.9 | Tightening torque | 11.8 Nm | ||
| 1AZ Chain tensioner to cylinder head | 1. Tightening torque | 20 Nm | ||
| 2. Angle of rotation | 30° | |||
| 2AZ Top tensioning rail | B42S2000/B46M0/O0/B48M0/O0 | M6 | 10 Nm | |
| 3AZ Guide rail/slide rail to cylinder head | B42S2000/B46M0/O0/B48M0/O0 | M16 | Replace bearing journal. | 20 Nm |
| 4AZ Guide rail/slide rail to crankcase | B42S2000/B46M0/O0/B48M0/O0 | M8 | Replace bearing journal. | 20 Nm |
| 5AZ Chain tensioner to cylinder head | B42S2000/B46M0/O0/B48M0/O0 | Replace the sealing ring. | 70 Nm | |
| 6AZ Chain tensioner to crankcase | B42S2000/B46M0/O0/B48M0/O0 | M6 | 10 Nm | |
| 7AZ Camshaft sensor wheel to intake camshaft | B42S2000/B46M0/O0/B48M0/O0 | M6 | 10 Nm |