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11 37 Variable valve gear

VARIABLE VALVE GEAR - TIGHTENING TORQUES

  Type Thread Tightening specification Measure
1AZ ASA screws
(11 x)
Guide block to timing case.		 N52K M6 x 23 Only one screw (inside) plus the oil spray nozzle are fitted on cylinder no. 3. 10 Nm
2AZ ASA screws
(6 x)
Torsion spring to cylinder head.		 N52K M6 x 20   10 Nm
3AZ ASA screws
(2 x on cylinder head)
(1 x on cylinder head cover)
Electric servomotor to cylinder head and to cylinder head cover.		 N52K M6 x 16
  1. Join screws hand-tight to cylinder head.
  2. Join screw hand-tight to cylinder head cover.
  3. Jointing torque on cylinder head.
  4. Jointing torque on cylinder head cover.
 10 Nm
4AZ ASA screw
(1 x)
Oil spray nozzle to guide block.		 N52K M6 x 30 Oil spray nozzle is fitted on cylinder no. 3 (outside). 10 Nm
5AZ Stop screw
(1 x)
Stop screw of eccentric shaft to cylinder head.		 N52K M6   10 Nm
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