11 12 Cylinder Head And Cylinder Head Cover
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TIGHTENING TORQUE SPECIFICATION - CYLINDER HEAD AND CYLINDER HEAD COVER
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | ISA screws (cylinder head bolts) Cylinder head to crankcase. |
N52T | M10 x 125 | Replace screws. Tighten screws from inside outwards. Joining torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 30 Nm | ||||
| 1. Angle of rotation | 90 ° | ||||
| 2. Angle of rotation | 90 ° | ||||
| 3. Angle of rotation | 45 ° | ||||
| 2AZ | ISA screws (cylinder head bolts) Cylinder head to crankcase. |
N52T | M9 | Replace screws. Joining torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 30 Nm | ||||
| 1. Angle of rotation | 90 ° | ||||
| 2. Angle of rotation | omitted | ||||
| 3. Angle of rotation | 45 ° | ||||
| 3AZ | Al screw Cylinder head to crankcase. Aluminum screws/bolts are permitted with and without color coding (blue). |
N52T | M9 x 30 | Replace screw. Thread repairs exclusively with aluminum Helicoil threaded insert. Joining torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 10 Nm | ||||
| Torque angle | 90 ° | ||||
| 4AZ | ASA screws Cylinder head to crankcase. Aluminum screws/bolts are permitted with and without color coding (blue). |
N52T | M9 x 70 | Replace screws. Thread repairs exclusively with aluminum Helicoil threaded insert. Joining torque and angle of rotation must be observed without fail. |
|
| Jointing torque | 10 Nm | ||||
| Torque angle | 135 ° | ||||
| 5AZ | ASA screws Cylinder head cover to cylinder head. |
N52T | M7 | 9 Nm | |
| 6AZ | Fillister-head screws Ignition coil cover to cylinder head cover. |
N52T | M6 x 20 | 4 Nm | |
| 7AZ | ISA screws Bearing cap of eccentric shaft to cylinder head. |
N52T | M6 x 30.5 | 9 Nm | |
| 8AZ | ASA screws Bearing strip to cylinder head (exhaust camshaft). |
N52T | M7 x 70 | Jointing torque | 8 Nm |
| Torque angle | 60 ° | ||||
| 9AZ | ASA screws Camshaft bearing cap to cylinder head. |
N52T | M6 x 30.5 | 9 Nm | |
| 10AZ | Seal plugs Coolant duct in cylinder head. |
N52T | M16 x 1.5 | Thread must be oiled. | 40 Nm |
| 11AZ | Towing eye Towing eye to cylinder head. |
N52T | M16 | Use towing eye exclusively with M16 thread. Use towing eye for engine transportation only. |
30 Nm |