Lower Timing Chain Cover, Tightening Sequence

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Fig 1: Lower Timing Chain Cover Bolts Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Replace the bolts that were tightened with an additional turn.

-- Tighten bolts in stages as follows:

Securing with Aluminum Bolts

-- Tighten aluminum bolts in stages as follows:

Step	Bolts	Tightening Specification/Additional Turn
1.	-arrows-	3 Nm
2.	-1 through 10-	3 Nm diagonally
3.	-1, 2, 4, 5 and 7-	Turn an additional 90°.
4.	-arrows-	9 Nm
5.	-8, 9 and 10-	8 Nm
6.	-8, 9 and 10-	Turn an additional 90°.
7.	-3-	16 Nm
8.	-6-	20 Nm
9.	-6-	180° additional turn

Securing with Steel Bolts:

-- Tighten steel bolts in stages as follows:

Step	Bolts	Tightening Specification/Additional Turn
1.	-arrows-	3 Nm
2.	-1 through 10-	3 Nm diagonally
3.	-1, 2, 4, 5 and 7- and -arrows-	9 Nm
4.	-8, 9 and 10-	20 Nm
5.	-3-	16 Nm
6.	-6-	70 Nm