Camshaft Gear/Sprocket: Service and Repair

Camshaft Gears Removal and Installation
Removal
1. Disconnect the negative battery cable.
2. Remove the timing belt.
3. Remove the spark plug cover bolts.
4. Remove the spark plug cover.
5. Disconnect the ignition wires from the spark plugs.





6. Disconnect the breather tubes from the camshaft cover.
7. Remove the camshaft cover bolts.
8. Remove the camshaft cover washers.





9. Remove the camshaft cover and the camshaft cover gasket.
10. While holding the intake camshaft firmly in place, remove the intake camshaft gear bolt.
11. Remove the intake camshaft gear.
12. Remove the Camshaft Position (CMP) sensor.
13. Remove the water pump.
14. While holding the exhaust camshaft firmly in place, remove the exhaust camshaft gear bolt.





15. Remove the exhaust camshaft gear.

Installation

CAUTION: Take extreme care to prevent any scratches, nicks or damage to the camshafts.

1. Install the intake camshaft gear.





2. While holding the intake camshaft firmly in place, install the intake camshaft gear bolt.
Tighten: Tighten the intake camshaft gear bolt to 50 Nm (37 ft. lbs.) plus 60° and 15° using the angular torque gauge KM-470-B.
3. Install the Camshaft Position (CMP) sensor.
4. Install the water pump.
5. Install the exhaust camshaft gear.
6. While holding the exhaust camshaft firmly in place, install the exhaust camshaft gear bolt.
Tighten: Tighten the exhaust camshaft gear bolt to 50 Nm (37 ft. lbs.) plus 60° and 15° using the angular torque gauge KM-470-B.
7. Apply a small amount of gasket sealant to the corners of the front camshaft caps and to the top of the rear camshaft cover-to-cylinder head seal.
8. Install the camshaft cover and the camshaft cover gasket.
9. Install the camshaft cover washers.





10. Install the camshaft cover bolts.
Tighten: Tighten the camshaft cover bolts to 8 Nm (71 inch lbs.).
11. Connect the crankcase breather tubes to the camshaft cover.
12. Connect the ignition wires to the spark plugs.
13. Install the spark plug cover.
14. Install the spark plug cover bolts.
Tighten: Tighten the spark plug cover bolts to 8 Nm (71 inch lbs.).
15. Install the timing belt.





16. Connect the negative battery cable.