Fastener Tightening Specifications

WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.

Component	Bolt Size	Nm
Bracket for Fuel Line		10
Camshaft Adjuster, Exhaust Side		60 + 90°¹
Camshaft Adjuster, Intake Side		60 + 90°¹
Camshaft Position Sensor		10
Camshaft Timing Chain Guide Rail
Mounting Pin		18
Bolt		23
Camshaft Timing Chain Sprocket		60 + 90°¹
Camshaft Timing Chain Tensioner		40
Control Housing		8¹
Lifting Eye		23
Lower Timing Chain Cover		10
Pin for guide rail		10
Spacing Sleeve, Nut		10
Thermostat Housing		10
Thrust Washer		8
¹ Always replace

Cylinder Head Cover - Tightening Specifications and Tightening Sequence

Fig 1: Cylinder Head Cover Bolts Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts to 10 Nm in the sequence -1 to 11-.

Cylinder Head - Tightening Specifications and Tightening Sequence

Fig 2: Cylinder Head - Tightening Specifications and Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts in 4 stages in -1 to 20- sequence as follows:

NOTE:

The longer cylinder head bolts must be inserted in the middle holes of cylinder head.

-- Tighten bolts by hand.

-- Tighten the bolts to 30 Nm.

-- Tighten the bolts to 50 Nm.

-- Tighten an additional 180° (¹ /₂ turn).

Upper Timing Chain Cover - Tightening Specifications and Tightening Sequence

Fig 3: Identifying Cylinder Head Cover Bolts

Courtesy of AUDI OF AMERICA, LLC

Pre-tighten the bolts -1- and -2- to 5 Nm.
Tighten the bolts -3- to 23 Nm.
Tight the bolts -1- and -2- to 10 Nm.

Camshafts - Tightening Specifications and Tightening Sequence

Fig 4: Camshafts - Tightening Specifications And Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten nuts on intake camshaft -A- in 5 stages as follows:

Install bearing cap 5 and 9 nuts alternately and diagonally as far as stop.
Tighten the bearing cap nuts 5 and 9 to 5 Nm plus an additional 45° (¹ /₈ turn).
Tighten the bearing cap nuts 1 and 13 to 5 Nm plus an additional 45° (¹ /₈ turn).
Tighten the bearing cap nuts 7 to 5 Nm plus an additional 45° (¹ /₈ turn).
Tighten the bearing cap nuts 3 and 11 to 5 Nm plus an additional 45° (¹ /₈ turn).

-- Tighten nuts on exhaust camshaft -B- in 5 stages as follows:

Install bearing cap 6 and 10 nuts alternately and diagonally as far as stop.
Tighten the bearing cap nuts 6 and 10 to 5 Nm plus an additional 45° (¹ /₈ turn).
Tighten the bearing cap nuts 2 and 14 to 5 Nm plus an additional 45° (¹ /₈ turn).
Tighten the bearing cap nuts 8 to 5 Nm plus an additional 45° (¹ /₈ turn).
Tighten the bearing cap nuts 4 and 12 to 5 Nm plus an additional 45° (¹ /₈ turn).