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Home >> Lexus >> 1996 >> LX 450 L6-4.5L (1FZ-FE) >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications >> Tightening Specifications
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Tightening Specifications











TIGHTENING SEQUENCE/SPECIFICATIONS
Install and uniformly tighten the 14 cylinder head bolts and plate washers, in several passes, in the sequence shown.

1st Pass: Torque to 39 Nm (29 ft. lbs.)
^ If any of the cylinder head bolts do not meet the torque specification, replace the cylinder head bolt.





NOTE: Before making 2nd pass, mark the front of the cylinder head bolt head with paint.

2nd Pass: Turn the head bolts an additional 90°.
3rd Pass: Turn the head bolts an additional 90°.

NOTE: Check that the painted mark is now facing rearward.





COMPONENT SPECIFICATIONS
Head To Timing Chain Cover: 21 Nm (15 ft. lbs.)