Transmission Tightening Specifications

WARNING: This page is about a different car, the 2024 Audi S5 and 2023 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

The tightening specifications apply only to lightly greased, oiled, phosphated or blackened nuts and bolts.
Additional lubricants, such as engine oil or transmission fluid are permitted, but lubricants containing graphite are not.
Do not use any ungreased parts.
Tightening specification tolerance: ± 15 %.

Other tightening specifications:

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

Torque converter on drive plate. Refer to the appropriate Service Information .
Assembly mounts. Refer to OVERVIEW - ASSEMBLY MOUNTS .

Fastening the Transmission to the 6-Cylinder Engine

Fig 1: Engine to Transmission Bolts And Alignment Sleeves -A-

Courtesy of AUDI OF AMERICA, LLC

Item

Bolt

Tightening Specifications

M10 x 50 ¹⁾

2 through 6

M12 x 100 ²⁾

30 Nm + 90°

M12 x 125

30 Nm + 90°

8 and 11

M10 x 60 ²⁾

15 Nm + 90°

M10 x 75 ²⁾

15 Nm + 90°

M10 x 95 ²⁾

15 Nm + 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 TRANSMISSION TIGHTENING SPECIFICATIONS The aluminum bolts -2 to 11- may be used twice. .

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

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

Fig 2: Identifying Aluminum Bolts Marked With An "X"
Courtesy of AUDI OF AMERICA, LLC
Bolts marked with an "X" may not be used again.