Cylinder Head - Tightening Specification and Sequence

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Bolt Head -A- and -B-

Courtesy of AUDI OF AMERICA, LLC

Distinguishing characteristics lettering on the bolt head.

A -

Bolt head with lettering.

B -

Bolt head without lettering.

NOTE: Replace the bolts that were tightened with an additional turn.

Tightening Specification/Additional Turn Bolts -A- :

Fig 2: Identifying Bolt Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in six steps in the sequence shown.

Step	Bolts	Tightening Specification/Additional Turn
1.	-1 to 8-	Install all the way in by hand.
2.	-1 to 8-	35 Nm
3.	-1 to 8-	50 Nm
4.	-1 to 8-	Tighten an additional 90°
5.	-1 to 8-	Tighten an additional 90°
6.	-1 to 8-	Tighten an additional 90°

Tightening Specification/Additional Turn Bolts -B- :

Fig 3: Identifying Bolt Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in five steps in the sequence shown.

Step	Bolts	Tightening Specification/Additional Turn
1.	-1 to 8-	Install all the way in by hand.
2.	-1 to 8-	35 Nm
3.	-1 to 8-	60 Nm
4.	-1 to 8-	Tighten an additional 90°
5.	-1 to 8-	Tighten an additional 90°