Tightening Specifications
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 ungreased parts.
Tightening specification tolerance: ±15%.
| Component | Nm | |
|---|---|---|
| Bolts and nuts | M6 | 9 |
| M8 | 20 | |
| M10 | 40 | |
| M12 | 65 |
- Refer to OVERVIEW - ASSEMBLY MOUNTS
- Engine to the transmission. Refer to TRANSMISSION TIGHTENING SPECIFICATIONS [For transmission(s) 0CK] or .
Replace the bolts that were tightened with an additional turn after removing them.
Replace the self-locking nuts and bolts, sealing rings, seals and O-rings after removing.
The hose connections and charge air system hoses must be free of oil and grease before installing.
Secure all hose connections with hose clamps of the same type as those equipped by the factory. Refer to the Parts information.
To mount the charge hoses on their connectors securely, spray the bolts on the used clamps with rust remover before installing.
During installation, all cable ties must be installed at the same location.
-- Make sure the intermediate plate is engaged on the sealing flange and slid onto the guide sleeves -arrows-.
-- Check if the alignment sleeves -A- for centering the engine/transmission are in the cylinder block and insert them if they are not.
The automatic transmission 0BK is illustrated.
-- Inspect the aluminum bolts used to connect the engine to the transmission to check if they can be used again and mark them, if necessary. Refer to TRANSMISSION TIGHTENING SPECIFICATIONS[For transmission(s) 0CK] or .
Vehicles with S tronic® Transmission
-- The following preparations must be made before connecting the engine and transmission:
-- Insert the :T40169 in the transmission housing and the drive plate from below as shown in the illustration.
- The :T40169 must engage in the semicircular opening -1- and in the inspection hole -2-.
The inspection hole is only in one location on the circumference so rotate the clutch module as needed.