Note: Ensure the #1 piston is at TDC. The pin on the crankshaft for the timing chain sprocket should be straight up.
- Install the crankshaft sprocket to the crankshaft snout.
Note: Every 7th link of the timing chain is darkened to aid in aligning the timing marks.
- Install the intake camshaft sprocket into the timing chain.
Aligning the dark link (1) of the timing chain with the timing mark on the intake camshaft sprocket.
- Feed the timing chain down through the opening in the cylinder head.
- Install the timing chain on the crankshaft sprocket.
Aligning the dark link (2) of the timing chain with the timing mark on to the crankshaft sprocket.
Note: Ensure the alignment pin is properly engaged with the camshaft
- Install the intake camshaft sprocket onto the intake camshaft.
Caution: Refer to Fastener Caution in the Preface section.
- Install the new intake camshaft sprocket bolt and tighten to
20 N·m (15 lb ft) plus an additional 100 degrees using the
J 45059 .
- Ensure the camshaft actuator is fully advanced prior to installation.
- Install the exhaust camshaft actuator into the timing chain.
Aligning the dark link (1) of the timing chain with the timing mark (1) on the exhaust camshaft position actuator sprocket.
Note:
• | To aid in aligning the actuator to the camshaft , use a 25 mm (1 in) wrench on the hex of the camshaft to rotate. |
• | Ensure the alignment pin is properly engaged with the camshaft. |
- Install the exhaust camshaft actuator onto the exhaust camshaft.
- Install the new exhaust camshaft actuator bolt and tighten to
25 N·m (18 lb ft) plus an additional 135 degrees using the
J 45059 .
- Remove the tee in the timing chain tensioner to regain tension on the timing chain.
- Remove the
J 44221 from the camshafts.
- The dark links (1) on the timing chain should be aligned with the marks on the sprockets as shown.
- Install the engine front cover. Refer to
Engine Front Cover Replacement.
- Install the camshaft position (CMP) sensor. Refer to
Camshaft Position Sensor Replacement.
- Install the camshaft cover. Refer to
Camshaft Cover Replacement.
- Install #1 cylinder spark plug. Refer to
Spark Plug Replacement.