Cylinder Head Bolt Tightening Torque Sequence

11 12 Cylinder Head with Cover N63 / B44 (Technical Data)
Cylinder head height:
Original dimension 134.00 ± 0.05 mm
Machining limit 133.70 ± 0.05 mm




11 12 Cylinder Head with Cover N63 / B44 (Tightening Torques)
Left head shown here:





Right head shown here:





1AZ Cylinder head bolt N63 M11 x 1.5 Replace screws.
Jointing torque 30 Nm
1st angle of rotation 90°
2. Angle of rotation 90°
Tighten down cylinder head bolts in sequence 1 - 10.



2AZ Cylinder head bolt N63 M8 23 Nm
Tighten down cylinder head bolts in sequence 1 - 10.




11 31 Camshaft (Tightening Torques)




For the sequence image(s) and additional information, please refer to the individual repair procedure. Service and Repair

6AZ Camshaft bearing cap to cylinder head N63
M7 15 Nm
7AZ Camshaft bearing cap to cylinder head N63
M7 15 Nm
Tighten down bolts in sequence (1 to 10) in 1/2 turns.




11 36 Variable Camshaft Control (Tightening Torques)
1AZ VANOS gear to inlet and exhaust camshafts N63
M10 x 1 Replace screw
Jointing torque 30 Nm
Torque angle 90°




18 31 Exhaust System
2AZ Exhaust manifold to cylinder head
M8 nut 15 Nm