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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Cylinder Head Components





Cylinder Head





Use new screws. Lubricate and install all the screws.
Tighten the screws in sequence from the center and outwards.
Stage 1 20 Nm
Stage 2 60 Nm
Stage 3 angle-tighten 130 degrees

Maximum out-of-true







Front-rear 0.50 mm
Lateral 0.20 mm
Cylinder head height 129.00 ± 0.05 mm
Maximum machining 0.30 mm

CAUTION: Scratches and corrosion to the cylinder head gasket face should only be machined on a flat cylinder head.