Timing Drive Components - In-Vehicle Procedures: Removal

All vehicles 

1. Remove the engine front cover. Refer to Engine Front Cover - In-Vehicle Procedures .
2. Remove the spark plugs.
3. Disconnect the crankshaft position sensor electrical connector.

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4. Remove the crankshaft position sensor.

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CAUTION: Make sure the spark plugs are removed to enable the engine to rotate freely.
CAUTION: Do not rotate the crankshaft counterclockwise. The timing chains may bind causing engine damage.
CAUTION: Rotate the crankshaft clockwise to position the engine to 45° after top dead center (TDC) No. 1 cylinder
5. Install the special tool 303-645.

Vehicles without supercharger 

6. Remove the right-hand variable camshaft timing oil control unit housing.
   • Remove and discard the O-ring seals.

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7. Remove the left-hand variable camshaft timing oil control unit housing.
   • Remove and discard the O-ring seals.

All vehicles 

8. Install the special tool to the left-hand cylinder head.

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9. Install the special tool to the Right-hand cylinder head.

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CAUTION: Make sure the secondary timing chain and camshaft sprockets are free to rotate.
10. Loosen the camshaft sprockets.

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11. Remove the primary timing chain tensioner assembly.

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12. Remove the primary timing chain tensioner blade.

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13. Remove the primary timing chain.

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14. Remove the primary timing chain guide.

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15. Remove the secondary timing chain tensioner retaining bolts.

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16. Remove the camshaft sprockets.
    • Remove the secondary timing chain tensioner and secondary timing chain from the camshaft sprockets.

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17. Remove the left hand primary timing chain tensioner assembly.

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18. Remove the left hand primary timing chain tensioner guide.

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19. Remove the primary timing chain.

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20. Remove the primary timing chain tensioner guide.

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21. Remove the secondary timing chain tensioner retaining bolts.

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22. Remove the camshaft sprockets.
    • Remove the secondary timing chain tensioner and secondary timing chain from the camshaft sprockets.

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23. Remove the crankshaft sprocket.

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