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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Fastener Tightening Specifications - Cylinder Head






Cylinder Head Bolt (Preferred Method):
All Bolts First Pass In Sequence 30 Nm (22 lb ft)
Long Bolt Final Pass in Sequence 75°
Medium Bolt Final Pass in Sequence 65°
Short Bolt Final Pass in Sequence 55°
Cylinder Head Bolt (Optional On-Vehicle Strategy):
First Pass in Sequence 35 Nm (26 lb ft)
Second Pass in Sequence 60 Nm (44 lb ft)
Final Pass in Sequence 90 Nm (66 lb ft)
Cylinder Head Core Hole Plug 20 Nm (15 lb ft)