Fastener Tightening Specifications

Component	Bolt Size	Nm
Accessory Bracket³	-	10
A/C Compressor	-	25
Connecting Rod Bolt¹	-	45 + 90°
Dual Mass Flywheel¹	-	60 + 90°
Pressure Relief Valve	-	27
Sensor Wheel¹	-	10 + 90°
Vibration Damper^{1, 2}	-	150 + 90°
¹ Always replace ² Coat the O-ring with oil. ³ For bolt tightening clarification, refer to RIBBED BELT DRIVE OVERVIEW and see items -7 and 10-

Accessory Assembly Bracket Tightening Sequence

Fig 1: Accessory Assembly Bracket Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Mount the accessory assembly bracket and then mount the bolts -4-.

-- Tighten bolts in 3 stages in -1 to 5- sequence as follows:

-- Tighten bolts by hand.-- Tighten the bolts to 20 Nm.-- Tighten the bolts an additional 90°.

Crankshaft, Tightening Sequence

Fig 2: Crankshaft Bearing Cap, Installing

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the crankshaft bolts in sequence -1 to 5-.

-- Tighten the bolts -1 through 10- and -arrows- hand-tight.

-- Tighten the bolts -1 through 10- to 65 Nm.

-- Tighten the bolts -1 through 10- 90° further using a rigid wrench.

-- Tighten the bolts -arrows- to 20 Nm.

-- Tighten the bolts -arrows- 90° further using a rigid wrench.