Engine Cylinder Head Bolts Set For 2000-2012 Hyundai Kia G4GC 2.0L 22321-23000

For the Hyundai/Kia G4GC 2.0L engine, the cylinder head bolts (M10) need to be tightened in a precise three-step sequence: first tighten to 30 Nm (22 lb-ft), then rotate 60°–65°, and finally rotate 60°–65° again. Always use brand new bolts, as they are torque yield (TTY) bolts and will be stretched during installation.

Description

Key Parameters and Procedures

Bolt Type: M10 Torque Yield Type (TTY)

Tightening Sequence:

1. First Stage: 30 Nm (3.0 kgf·m, 22 lbf·ft).

2. Second Stage: Rotate 60°-65°.

3. Third Stage: Rotate another 60°-65°.

Preparation: Clean and dry all threads; ensure the flatness of the bolt head and seat surfaces is within 0.03 mm (0.0012 in).