1. Tighten the cylinder head bolts in the following sequence:
a. Step 1: Tighten all bolts to 20 Nm (14 lb-ft).
b. Step 2: Tighten all bolts to 45 Nm (34 lb-ft).
c. Step 3: Tighten all bolts to 59 Nm (44 lb-ft).
2. Wait for 30 minutes.
3. Loosen all bolts in the reverse order of the tightening sequence.
4. Tighten all bolts again in the following sequence:
a. Step 1: Tighten all bolts to 20 Nm (14 lb-ft).
b. Step 2: Tighten all bolts to 45 Nm (34 lb-ft).
c. Step 3: Tighten all bolts to 70 Nm (52 lb-ft).
Note:
- Always use a torque wrench to ensure the bolts are tightened to the correct torque specifications.
- Do not overtighten the bolts, as this can damage the threads and cause the bolts to fail.
- Replace the cylinder head bolts with new ones whenever the cylinder head is removed.
- Make sure the cylinder head surface and the gasket are clean and free of any debris before installing the cylinder head.
- Use a new cylinder head gasket whenever installing the cylinder head.
- Follow all manufacturer recommendations and specifications when performing this repair.
