Installation
Install the cylinder head in the reverse order of removal:NOTE:
- Always use a new head and manifold gasket.
- The cylinder head gasket is a metal gasket. Take care not to bend it.
- Rotate the crankshaft, set the No. 1 piston at TDC.
- Do not use the middle cover and lower cover for storing removed items.
- Clean the middle cover and lower cover before installation.
- Replace any washers that are damaged or deteriorated.
1. Install the cylinder head gasket, dowel pins and the head oil control orifice on the cylinder head.
NOTE: Clean the oil control orifice when installing.
2. Tighten the cylinder head bolts in two steps. In the first step, tighten all bolts in sequence to about 29 Nm (3.0 kgs.cm, 22 ft.lbs.). In the final step, tighten in the same sequence to 83 Nm (8.5 kgs.cm, 61 ft.lbs.).
NOTE:
- Apply clean engine oil to the bolt threads and under the bolt head.
- We recommend using a beam-type torque wrench. When using a preset-type torque wrench, be sure to tighten slowly and not to overtighten.
- If a bolt makes any noise while you are torquing it, loosen the bolt, and retighten it from the 1st step.
CYLINDER HEAD BOLT TORQUE SEQUENCE
3. Install the intake manifold and tighten the nuts in a crisscross pattern in two or three steps, beginning with the inner nuts.
- Always use a new intake manifold gasket.
4. Install the exhaust manifold and tighten the new self-locking nuts in a crisscross pattern in two or three steps, beginning with the inner nuts.
- Always use a new exhaust manifold gasket.
5. Install the camshafts and camshaft oil seals.
NOTE:
- Install the camshafts with the keyway facing up.
- Install the oil seal with the spring side facing in.
- The oil seal housing surface should be dry.
- Set the O-ring and dowel pin in the oil passage of the No. 3 camshaft holder.
6. Apply liquid gasket (P/N 08718-0001 or 08718-0003) to the head mating surfaces of the No. 1 and No. 5 camshaft holders on both the intake and exhaust side.
NOTE: Clean and dry the cylinder head mating surfaces before applying liquid gasket.
7. Install the camshaft holders and camshaft holder plate.
NOTE: The arrows marked on the camshaft holders should point to the timing belt.
8. Tighten each bolt two turns at a time in the sequence shown.
NOTE: Wipe off the excess liquid gasket from the No. 1 and No. 5 camshaft holders with a shop towel.
9. Install the back cover and camshaft pulleys.
10. Align the marks on the cylinder head plug to the cylinder head upper surface, then install the cylinder head plug in the cylinder head.
11. Install the timing belt.
12. Adjust the valve clearance.
13. Install the head cover gasket in the groove of the cylinder head cover. Seat the recesses for the camshaft first, then work it into the groove around the outside edges.
NOTE:
- Before installing the head cover gasket, thoroughly clean the head cover gasket and the groove.
- When installing, make sure the head cover gasket is seated securely in the corners of the recesses with no gap.
14. Apply liquid gasket to the head cover gasket at the eight corners of the recesses.
NOTE:
- Use liquid gasket, Part No. 08718-0001 or 08718-0003.
- Check that the mating surfaces are clean and dry before applying liquid gasket.
- Do not install the parts if five minutes or more have elapsed since applying liquid gasket. Instead, reapply liquid gasket after removing old residue.
- After assembly, wait at least 30 minutes before filling the engine with oil.
15. When installing the cylinder head cover, hold the head cover gasket in the groove by placing your fingers on the camshaft holder contacting surfaces (top of the semicircles).
Once the cylinder head cover is on the cylinder head, slide the cover slightly back and forth to seat the head cover gasket.
NOTE:
- Before installing the cylinder head cover, clean the cylinder head contacting surfaces using a shop towel.
- Do not touch the parts where liquid gasket was applied.
- Replace any washer taint is damaged or deteriorated.
16. Tighten the nuts in two or three steps. In the final step, tighten all nuts, in sequence, to 9.8 Nm (1.0 kgs.cm, 7.2 ft.lbs.).
NOTE: After assembly, wait at least 30 minutes before filling the engine with oil.
17. After installing, check that all tubes, hoses and connectors are installed correctly.