11 12 Cylinder head with cover (1AZ-9AZ) [N52K]
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TIGHTENING TORQUES - CYLINDER HEAD WITH CYLINDER HEAD COVER
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ ISA screws (cylinder head bolts) (10 x ) Cylinder head to crankcase. |
N52K | M10 x 125 | Replace screws. Tighten screws from inside outwards. Jointing torque and angle of rotation must be observed without fail |
|
| Jointing torque | 30 Nm | |||
| 1st angle of rotation | 90 ° | |||
| 2. Angle of rotation | 90 ° | |||
| 3. Angle of rotation | 45 ° | |||
| 2AZ ISA screws (cylinder head bolts) (1 x M9 x 95) (3 x M9 x 125) Cylinder head to crankcase. |
N52K | M9 | Replace screws. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 30 Nm | |||
| 1st angle of rotation | 90 ° | |||
| 2. Angle of rotation | omitted | |||
| 3. Angle of rotation | 45 ° | |||
| 3AZ Al screw (1 x) Cylinder head to crankcase. The end faces of the aluminium screw heads are painted blue. |
N52K | M9 x 30 | Replace screw. Thread repairs exclusively with aluminium Helicoil threaded insert. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 10 Nm | |||
| Torque angle | 90 ° | |||
| 4AZ ASA screw (3 x) Cylinder head to crankcase. The end faces of the aluminium screw heads are painted blue. |
N52K | M9 x 70 | Replace screw. Thread repairs exclusively with aluminium Helicoil threaded insert. Jointing torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 10 Nm | |||
| Torque angle | 135 ° | |||
| 5AZ ASA screws (15 x M7 x 33.5 round) (1 x M7 x 33.5 oval) (1 x M7 x 35) (2 x M7 x 36) Hexagon screw (1 x M7 x 46) Studs (2 x M7 x 75) Cylinder head cover to cylinder head. |
N52K | M7 | 9 Nm | |
| 6AZ Fillister head screws (4 x) Ignition coil cover to cylinder head cover. |
N52K | M6 x 20 | 4 Nm | |
| 7AZ ISA screws (12 x) Bearing cap of eccentric shaft to cylinder head. |
N52K | M6 x 30.5 | 9 Nm | |
| 8AZ Seal plugs (3 x) Seal, oil channel, in cylinder head. |
N52K | M16 x 1.5 | Thread must be oiled. | 40 Nm |
| 9AZ Towing eye (1 x) Towing eye to cylinder head. |
N52K | M16 | Use towing eye exclusively with M16 thread. Use towing eye for engine transportation only. |
30 Nm |