- Step 1: Fasten all head bolts to 20 Nm.
- Step 2: Fasten all head bolts an additional 1/4 turn(90°).
- Step 3: Release all head bolts and wait for 15 minutes
Retighten in sequence
a. 20Nm
b. 1/4 turn
c. 1/2 turn
d. 1/2 turn