Camshaft Gear/Sprocket: Service and Repair

Camshaft Phaser and Sprocket













Removal

NOTICE: Do not loosen or remove the crankshaft pulley bolt without first installing the special tools. The crankshaft pulley and the crankshaft timing sprocket are not keyed to the crankshaft. Before any repair requiring loosening or removal of the crankshaft pulley bolt, the crankshaft and camshafts must be locked in place by the special service tools, otherwise severe engine damage can occur.

NOTICE: During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan can cause engine failure.

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Remove the valve cover. For additional information, refer to Valve Cover Service and Repair.

3. Remove the timing belt. For additional information, refer to Timing Belt Service and Repair.

4. Remove the VCT (Variable Camshaft Timing) Alignment Tool.





5. NOTICE: Use an open-ended wrench to hold the camshafts by the hexagon to prevent the camshafts from turning.

Remove the 2 camshaft phaser and sprocket plugs.






6. NOTICE: Use an open-ended wrench to hold the camshafts by the hexagon to prevent the camshafts from turning.

Remove the 2 bolts and the camshaft phaser and sprockets.






Installation

1. Loosen the 2 bolts for the LH engine lift eye.





2. NOTICE: It may be necessary to use an open-ended wrench to turn the camshafts by the hexagon to align the camshafts.

Install the Camshaft Alignment Plate into the end of the camshafts.






3. NOTICE: Use an open-ended wrench to hold the camshafts by the hexagon to prevent the camshafts from turning.

NOTE: The timing marks of the camshaft phaser and sprocket must be at the 12 o'clock position.

Install the 2 camshaft phaser and sprocket, bolts and the VCT (Variable Camshaft Timing) Alignment Tool.
- Tighten the 2 bolts to 25 Nm (18 lb-ft).






4. Remove the VCT (Variable Camshaft Timing) Alignment Tool.





5. Remove the Camshaft Alignment Plate.





6. NOTICE: Use an open-ended wrench to hold the camshafts by the hexagon to prevent the camshafts from turning.

Tighten the 2 camshaft phaser and sprocket bolts an additional 75 degrees.






7. NOTE: The special tool can only be installed if the valve timing is correct.
Install the Camshaft Alignment Plate into the end of the camshafts.






8. NOTE: The special tool can only be installed if the valve timing is correct.
Install the VCT (Variable Camshaft Timing) Alignment Tool.

- If the special tools cannot be installed, repeat the adjustment according to the preceding steps.






9. Remove the VCT (Variable Camshaft Timing) Alignment Tool.





10. Remove the Camshaft Alignment Plate.





11. NOTICE: Use an open-ended wrench to hold the camshafts by the hexagon to prevent the camshafts from turning.

Install the 2 camshaft phaser and sprocket plugs.
- Tighten to 16 Nm (142 lb-in).






12. Install the VCT (Variable Camshaft Timing) Alignment Tool.





13. Install the timing belt. For additional information, refer to Timing Belt Service and Repair.

14. Tighten the 2 bolts for the LH engine lift eye.
- Tighten to 19 Nm (168 lb-in).






15. Install the valve cover. For additional information, refer to Valve Cover Service and Repair.