Cylinder Head - Tightening Specification and Sequence
WARNING: This page is about a different car, the 2016 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Distinguishing characteristics lettering on the bolt head.
A - Bolt head with lettering.
B - Bolt head without lettering.
NOTE:
Replace the bolts that were tightened with an additional turn.
Tightening Specification/Additional Turn Bolts -A- :
-- Tighten the bolts in six steps in the sequence shown.
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | -1 to 8- | Install all the way in by hand. |
| 2. | -1 to 8- | 35 Nm |
| 3. | -1 to 8- | 50 Nm |
| 4. | -1 to 8- | Tighten an additional 90° |
| 5. | -1 to 8- | Tighten an additional 90° |
| 6. | -1 to 8- | Tighten an additional 90° |
Tightening Specification/Additional Turn Bolts -B- :
-- Tighten the bolts in five steps in the sequence shown.
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | -1 to 8- | Install all the way in by hand. |
| 2. | -1 to 8- | 35 Nm |
| 3. | -1 to 8- | 60 Nm |
| 4. | -1 to 8- | Tighten an additional 90° |
| 5. | -1 to 8- | Tighten an additional 90° |