Special Tool(s)

Courtesy of FORD MOTOR CO.

Tool, Camshaft Holding 303-1248

Engines equipped with late build/replacement RH timing chain guides 

1. Install the RH primary timing chain guide and the 2 bolts.
   • Tighten to 10 Nm (89 lb-in).
   Fig 1: Locating RH Primary Timing Chain Guide & Bolts

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   Engines equipped with early build RH timing chain guides 

2. Install the RH primary timing chain guide and the 2 bolts.
   • Tighten to 10 Nm (89 lb-in).
   Fig 2: Locating RH Primary Timing Chain Guide & Bolts

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   All vehicles 

3. Install the RH secondary timing chain tensioner and the 2 bolts.
   • Tighten to 10 Nm (89 lb-in).
   NOTE: It is necessary to tilt the Camshaft Holding Tool toward the rear of the engine to access the rearmost secondary timing chain tensioner bolt.
   Fig 3: Locating RH Secondary Timing Chain Tensioner Bolts

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4. Assemble the RH Variable Camshaft Timing (VCT) assembly, the RH exhaust camshaft sprocket and the RH secondary timing chain.
   • Align the colored links with the timing marks.
   Fig 4: Aligning Colored Links With Timing Marks

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5. Position the RH secondary timing assembly onto the camshafts.
   Fig 5: Positioning RH Secondary Timing Assembly Onto Camshafts

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6. Install 2 new bolts and the original washer. Tighten in 4 stages.
   • Stage 1: Tighten to 40 Nm (30 lb-ft).
   • Stage 2: Loosen one full turn.
   • Stage 3: Tighten to 10 Nm (89 lb-in).
   • Stage 4: Tighten 90 degrees.
   Fig 6: Locating VCT Assembly Bolt & RH Exhaust Camshaft Sprocket Bolt

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7. Remove the lockpin from the RH secondary timing chain tensioner.
   Fig 7: Locating RH Secondary Timing Chain Tensioner Lockpin

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8. Install the LH secondary timing chain tensioner and the 2 bolts.
   • Tighten to 10 Nm (89 lb-in).
   NOTE: It is necessary to tilt the Camshaft Holding Tool toward the rear of the engine to access the rearmost secondary timing chain tensioner bolt.
   Fig 8: Identifying Camshaft Holding Tool

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9. Assemble the LH VCT  assembly, the LH exhaust camshaft sprocket and the LH secondary timing chain.
   • Align the colored links with the timing marks.
   Fig 9: Aligning Colored Links With Timing Marks

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10. Position the LH secondary timing assembly onto the camshafts.
    Fig 10: Positioning LH Secondary Timing Assembly Onto Camshafts

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11. Install 2 new bolts and the original washer. Tighten in 4 stages.
    • Stage 1: Tighten to 40 Nm (30 lb-ft).
    • Stage 2: Loosen one full turn.
    • Stage 3: Tighten to 10 Nm (89 lb-in).
    • Stage 4: Tighten 90 degrees.
    Fig 11: Locating VCT Bolt & Exhaust Camshaft Bolt

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12. Remove the lockpin from the LH secondary timing chain tensioner.
    Fig 12: Locating LH Secondary Timing Chain Tensioner Lockpin

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13. Install the crankshaft timing chain sprocket.
    Fig 13: Locating Crankshaft Timing Chain Sprocket

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14. Install the primary timing chain with the colored links aligned with the timing marks on the VCT  assemblies and the crankshaft sprocket.
    Fig 14: Locating Timing Marks On VCT Assemblies & Crankshaft Sprocket

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15. Install the upper LH primary timing chain guide and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
    Fig 15: Locating Upper LH Primary Timing Chain Guide & Bolts

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16. Install the lower LH primary timing chain guide and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
    Fig 16: Locating Lower LH Primary Timing Chain Guide & Bolts

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17. Install the primary timing chain tensioner arm.
    Fig 17: Locating Primary Timing Chain Tensioner Arm

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18. Reset the primary timing chain tensioner.
    • Rotate the lever counterclockwise.
    • Using a soft-jawed vise, compress the plunger.
    • Align the hole in the lever with the hole in the tensioner housing.
    • Install a suitable lockpin.
    Fig 18: Resetting Primary Timing Chain Tensioner

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19. Install the primary tensioner and the 2 bolts.
    • Tighten to 10 Nm (89 lb-in).
    • Remove the lockpin.
    NOTE: It may be necessary to rotate the crankshaft slightly to remove slack from the timing chain and install the tensioner.
    Fig 19: Locating Primary Tensioner Bolts & Lockpin

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20. As a post-check, verify correct alignment of all timing marks.
    Fig 20: Aligning Timing Marks

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21. Inspect the VCT  housing seals for damage and replace as necessary.
    Fig 21: Locating VCT Housing Seals

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22. Install the LH VCT  housing and the 3 bolts.
    • Tighten in the sequence shown in illustration to 10 Nm (89 lb-in).
    NOTE: Make sure the dowels on the Variable Camshaft Timing (VCT) housing are fully engaged in the cylinder head prior to tightening the bolts. Failure to follow this process will result in severe engine damage.
    Fig 22: Identifying VCT Housing Bolt Tightening Sequence

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23. Install the RH VCT  housing and the 3 bolts.
    • Tighten in the sequence shown in illustration below to 10 Nm (89 lb-in).
    NOTE: Make sure the dowels on the Variable Camshaft Timing (VCT) housing are fully engaged in the cylinder head prior to tightening the bolts. Failure to follow this process will result in severe engine damage.
    Fig 23: Identifying RH VCT Housing Bolt Tightening Sequence

    Courtesy of FORD MOTOR CO.
24. Install the engine front cover. For additional information, refer to Removal and Installation .