Timing Chain: Removal

RH and LH timing chains 

1. Remove the engine front cover. Refer to: Engine Front Cover 2.7L EcoBoost .
2. NOTE: Rotate the crankshaft utilizing only the original crankshaft pulley bolt. Failure to follow this direction may cause damage to the crankshaft and result in engine failure.

   Install the original crankshaft pulley bolt.

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3. NOTE: The VCT units have 2 timing marks on them, a triangle and a circle. For removal and installation of the RH side the triangle marks are used.
   1. Rotate the crankshaft clockwise.
   2. Position the crankshaft sprocket keyway at the 11 o'clock position.
   3. Verify the triangle  timing marks on the VCT units are at the 2 o'clock (intake) and 11 o'clock (exhaust) positions. If the circle  timing marks are at these positions the crankshaft must be turned clockwise one revolution (360 degrees).

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4. Remove the bolts and the RH timing chain tensioner.

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5. Remove the RH timing chain tensioner arm.

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6. Remove the bolts and the RH timing chain guide.

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7. Remove the RH timing chain.

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8. Remove the original crankshaft pulley bolt.

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9. Remove the timing chain sprocket.

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   LH timing chain 

10. Install the original crankshaft pulley bolt.

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11. NOTE: The crankshaft must be rotated clockwise one revolution (360 degrees). Failure to do so will result in incorrect camshaft timing.
    NOTE: The VCT units have 2 timing marks on them, a triangle and a circle. For removal and installation of the LH side the circle marks are used.
    1. Rotate the crankshaft clockwise one revolution (360 degrees).
    2. Position the crankshaft sprocket keyway at the 11 o'clock position.
    3. The circle  timing marks on the VCT units will be at the 10 o'clock (intake) and 12:30 (exhaust) positions.

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12. Remove the original crankshaft pulley bolt.

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13. Slide the oil pump drive belt off of the crankshaft sprocket and remove the belt.

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14. Remove the crankshaft sprocket.

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15. Remove the bolts and the LH timing chain tensioner.

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16. Remove the LH timing chain tensioner arm.

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17. Remove the bolts and the LH timing chain guide.

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18. Remove the LH timing chain.

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19. Remove the timing chain sprocket. Remove the timing chain sprocket.

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