Fastener Tightening Specifications

Fastener Tightening Specifications






• 1 Tighten the bolts diagonally and in multiple stages.

• 2 R32 models only

Mechatronic Unit Bolt Tightening Sequence and Specification






- Install new bolts - 1 through 10 - hand tight.

- Tighten the bolts in the specified sequence to 5 Nm + 90° (1/4) additional turn.

Oil Pump Bolt, Variety and Tightening Specification

All 4 bolts with a flat heads






- Tightening specification: 5 Nm + 90° (1/4) additional turn

3 bolts have a flat head, the upper bolt is countersunk






Tightening specification:

• Countersunk bolt: 8 Nm without tightening angle (tighten using special wrench, long reach (T10054) )

• Flat head bolts: 8 Nm + 90° (1/4) additional turn

Bevel Box to Transmission Bracket Bolt Tightening Sequence and Specification (R32 models only)






- Install the bolts - 1 and 2 - by hand.

- Follow the installation sequence:

1. Tighten the bolts - 1 - first to 3 Nm.

2. Tighten the bolts - 2 - to 35 Nm.

3. Then, tighten the bolts - 1 - to 45 Nm.