Tools Required

Caution: Refer to Battery Disconnect Caution in the Preface section.




2. Disconnect the negative battery cable.
3. Remove the timing belt. Refer to Timing Belt Replacement .
4. Remove the spark plug cover bolts.
5. Remove the spark plug cover.
6. Disconnect the ignition wires from the spark plugs.
7. Disconnect the crankcase breather tubes from the valve cover.



8. Remove the valve cover bolts.
9. Remove the valve cover washers.
10. Remove the valve cover and the valve cover gasket.

Caution: Refer to Safety Glasses Caution in the Preface section.





Notice: Use extreme care when installing the camshaft not to nick, scratch, or damage the camshaft lobes or bearing surfaces.

11. While holding the intake camshaft firmly in place, remove the intake camshaft gear bolt.
12. Remove the intake camshaft gear.
13. While holding the exhaust camshaft firmly in place, remove the exhaust camshaft gear bolt.
14. Remove the exhaust camshaft gear.

Notice: Use extreme care when installing the camshaft not to nick, scratch, or damage the camshaft lobes or bearing surfaces.

1. Install the intake camshaft gear.

Notice: Refer to Fastener Notice in the Preface section.

Notice: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.

2. While holding the intake camshaft firmly in place, install the intake camshaft gear bolt.

Tighten
Tighten the intake camshaft gear bolt to 50 N·m (37 lb ft). Turn another 60 degrees plus 15 degrees using the J 45059 or the KM-470-B .

3. Install the exhaust camshaft gear.
4. While holding the exhaust camshaft firmly in place, install the exhaust camshaft gear bolt.

Tighten
Tighten the exhaust camshaft gear bolt to 50 N·m (37 lb ft). Turn another 60 degrees plus 15 degrees using the J 45059 or the KM-470-B .




5. Apply a small amount of gasket sealant to the corners of the front camshaft caps and to the top of the rear valve cover-to-cylinder head seal.
6. Install the valve cover and the valve cover gasket.
7. Install the valve cover washers.
8. Install the valve cover bolts.

Tighten
Tighten the valve cover bolts to 8 N·m (71 lb in).




9. Connect the crankcase breather tubes to the valve cover.
10. Connect the ignition wires to the spark plugs.
11. Install the spark plug cover.
12. Install the spark plug cover bolts.

Tighten
Tighten the spark plug cover bolts to 3 N·m (27 lb in).

13. Install the timing belt. Refer to Timing Belt Replacement .
14. Connect the negative battery cable.