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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Cylinder Head Assembly




Cylinder head





M12 bolts
First pass 50 Nm (37 lb ft)
Second pass 80 Nm (59 lb ft)
Third pass 60 degrees
Final pass 60 degrees

M8 bolts 25 Nm (18 lb ft)

Install NEW M12 cylinder head bolts
Reuse the M8 cylinder head bolts

Warpage maximum

Block deck 0.1 mm (0.0039 in)
Exhaust manifold 0.1 mm (0.0039 in) within a 453 mm (17.83 in) area
Intake manifold 0.3 mm (0.011 in) within a 493 mm (19.41 in) area

Intake Manifold Specifications

Exhaust Manifold Specifications

Camshaft Gear/Sprocket Specifications