Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Fastener Tightening Specifications

Torque Specifications

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Part 2:




Part 3:









Cylinder Head Bolt Reusability
Check in the following procedure before reusing the cylinder head bolt.
(1)Measure the outside diameter "A".
(2)Measure the smallest outside diameter "B" within the range "X" shown in the illustration.
(3)If the difference of outside diameter of thread exceeds the limit, replace the cylinder head bolt.

Limit 0.1mm (0.0039 inch)