Tightening Specifications

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NOTE:

The tightening specifications apply only to lightly greased, oiled, phosphated or blackened nuts and bolts.

Additional lubricants, such as engine or transmission oil are permissible, although lubricants containing graphite are not.

Do not use any parts that have had the lubrication removed.

Tightening specification tolerance: ±15%.

Component		Nm
Bolts and nuts	M6	9
	M7	15
	M8	20
	M10	40
	M12	65

Engine and 8-Speed Automatic Transmission 0BK

Fig 1: Checking If Alignment Sleeves -A- For Centering Engine/Transmission Are In Cylinder Block

Courtesy of AUDI OF AMERICA, LLC

Item

Bolt

M10 x 50 ¹⁾

2 to 6

M12 x 100 ²⁾

30 +90°

M12x125 ²⁾

30 +90°

8, 11

M10 x 60 ²⁾

15 +90°

M10 x 75 ²⁾

15 +90°

M10 x 95 ²⁾

15 +90°

Alignment sleeves for centering

¹⁾ Attaches the starter to the transmission. Bolt strength rating 10.9. There is no limit to the number of times the steel bolt can be used again.
²⁾ aluminum bolts may be used two times, refer to ENGINE, INSTALLING => The aluminum bolts -2 to 11- may be used twice. Therefore, the bolts must be marked with two notches "X" made by a chisel after they have be used the first time -arrow-. .

⁽¹⁾	To prevent damaging the bolts when marking them, do not clamp them in a vise. Insert the bolt using a 14 mm socket with a 1/2 drive, which is inserted in to the vise, as illustrated (See Fig 2).

The aluminum bolts -2 to 11- may be used twice. Therefore, the bolts must be marked with two notches "X" made by a chisel after they have be used the first time -arrow-.

Fig 2: Identifying Bolts Marked With An "X"
Courtesy of AUDI OF AMERICA, LLC
Do not use bolts marked with an "X" again.