Tightening And Loosening Specifications And Sequences
WARNING: This page is about a different car, the 2016 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
-- Remove the bolts -arrows-.
-- Loosen and remove the cylinder head bolts in the sequence -1 to 10-.
- Replace the bolts that were tightened with an additional turn after removing them.
NOTE:
The strength category of the bolts is specified on the bolt head.
-- Tighten The Bolts In The Steps Shown In The Sequence:
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | -1 through 10- | Install by hand all the way |
| 2. | -1 through 10- | "Bolts with screws 10.9" 40 Nm "Bolts with strength category 12.9" 50 Nm |
| 3. | -1 through 10- | 90° additional turn |
| 4. | -1 through 10- | 90° additional turn |
| 5. | -arrows- | 8 Nm |
| 6. | -arrows- | 90° additional turn |
-- Check the cylinder head at several locations for distortion using a Straight Edge - 500mm:VAS6075 and a feeler gauge.
- Maximum Permitted Distortion: 0.05 mm