Operation CHARM: Car repair manuals for everyone.
Home >> Audi >> 2007 >> RS4 Quattro Sedan (8EC) V8-4.2L (BNS) >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> System Specifications >> Fastener Tightening Specifications
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)

Or, hide this message: temporarily or permanently

Fastener Tightening Specifications






Fastener Tightening Specifications





Engine/transmission, fastening









Cylinder head

Use new cylinder head bolts and tighten by hand








Intake manifold





1st step 5 Nm
2nd step 9 Nm
3rd step 9 Nm

Camshaft guild frame

Tighten the guide frame bolts by hand evenly in the sequence 1 through 24





Fasten guide frame bolts in sequence 24 to 1 until they stop





Exhaust manifold








- Pre-tighten the nuts in the sequence - 1 to 6 - to 20 Nm.
- Pre-tighten the nuts in the sequence - 1 to 6 - to 30 Nm.

Guide frame-main bearings








Connecting rod bolt 40 Nm plus 120°

Vibration Damper








Oil Pump 8 Nm plus 90°

Dual Mass Flywheel





Coolant pump to housing 9 Nm
Coolant pump to oil pan 9 Nm
pro multis · About Operation CHARM