Fastener Tightening Specifications

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Component	Bolt Size	Nm
Camshaft adjuster for exhaust camshaft		80 + 90°¹
Camshaft adjuster for intake camshaft		80 + 90°¹
Camshaft adjustment valve 2		2.4
Chain tensioner		5 + 90°¹
Chain tensioner for left camshaft timing chain		5 + 90°¹
Chain tensioner for right camshaft timing chain		5 + 90°¹
Chain tensioner with glide track		5 + 90°¹
Driveshaft for A/C compressor		60
Drive sprocket for left camshaft timing chain		22
Drive sprocket for right timing chain		42
Guide rail		17 + 90°¹
Idler sprocket mounting bracket		5 + 90°¹
Locking bolt for cylinder head		35
Mounting bracket for drive sprocket		5 + 90°¹
Pivot pin for drive sprocket		42
Pivot pin for idler sprocket		42
Spur gear unit		22

Left Timing Chain Cover, Tightening Specifications and Sequence

-- Tighten bolts to 9 Nm in the sequence -1 to 8-.

Fig 1: Identifying Left Timing Chain Cover And Tightening Bolts Sequence

Courtesy of AUDI OF AMERICA, LLC

Right Timing Chain Cover, Tightening Specifications and Sequence

-- Tighten bolts to 9 Nm in the sequence -1 to 8-.

Fig 2: Identifying Right Timing Chain Cover And Tightening Bolts Sequence

Courtesy of AUDI OF AMERICA, LLC

Lower Timing Chain Cover, Tightening Specifications and Sequence

-- Replace M6 bolts -1, 3, 5, 6, 7, 11, 12, 13- and -arrows-.

Fig 3: Identifying Bolts And Lower Timing Chain Cover

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts in 6 stages as follows:

-- Pre-tighten the bolts -arrows- to 5 Nm.

-- Tighten the bolts -1 to 13- in a diagonal sequence to 8 Nm using a torque wrench.

-- Tighten bolts -arrows- to 8 Nm.

-- Tighten M8 bolts -2, 4, 8, 9, 10- in a diagonal sequence to 22 Nm.

-- Tighten the M6 bolts -1, 3, 5, 6, 7, 11, 12, 13- an additional 90° in a diagonal sequence.

-- Tighten the bolts -arrows- an additional 90°.

Left Cylinder Head Cover, Tightening Specifications and Sequence

Fig 4: Identifying Left Cylinder Head Cover Bolts Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts to 9 Nm in the sequence -1 to 15-.

Right Cylinder Head Cover, Tightening Specifications and Sequence

Fig 5: Identifying Right Cylinder Head Cover Bolts Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts to 9 Nm in the sequence -1 to 16-.

Cylinder Head, Tightening Specifications and Sequence

Fig 6: Cylinder Head Bolts Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

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

-- Install bolts by hand as far as stop.

-- Tighten to 30 Nm.

-- Tighten to 60 Nm.

-- Tighten an additional 90°.

-- Insert screws -arrows- with locking compound and tighten to 8 Nm; Locking compound.

-- Tighten the bolts -arrows- an additional 90°.