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Timing Drive Components: Installation

    CAUTION: Failure to verify correct timing drive component alignment will result in severe engine damage.
  1. Install the crankshaft sprocket with the timing marks out.
    2. Fig 1: Locating Crankshaft Sprocket With Timing Marks Out
    GF0017030Courtesy of FORD MOTOR CO.
    NOTE: LH shown, RH similar.
  2. Position the chain tensioner in a soft-jawed vise.
    3. Fig 2: Identifying Chain Tensioner In Soft-Jawed Vise
    G03898309Courtesy of FORD MOTOR CO.
    NOTE: LH shown, RH similar.
  3. Hold the chain tensioner ratchet lock mechanism away from the ratchet stem with a small pick.
    4. Fig 3: Holding Chain Tensioner Ratchet Lock Mechanism Away From Ratchet Stem
    G03898310Courtesy of FORD MOTOR CO.
    CAUTION: During tensioner compression, do not release the ratchet stem until the tensioner piston is fully bottomed in its bore or damage to the ratchet stem will result.
  4. Slowly compress the timing chain tensioner.
  5. Retain the tensioner piston with a 1.5 mm (0.05 in) wire or paper clip.
    6. Fig 4: Retaining Tensioner Piston With 1.5-mm (0.06-in) Wire Or Paper Clip
    G03898311Courtesy of FORD MOTOR CO.
  6. If timing marks in the timing chains are not evident, use a permanent-type marker to mark the crankshaft and camshaft timing marks on the LH and RH timing chains.
    1. Mark any link to use as the crankshaft timing mark.
    2. Starting with the crankshaft timing mark, count 29 links and mark the link.
    3. Continue counting to link 42 and mark the link.
    7. Fig 5: Locating Crankshaft & Camshaft Timing Marks On LH & RH Timing Chains
    GF0017031Courtesy of FORD MOTOR CO.
  7. Verify that the LH camshafts are correctly positioned.
    8. Fig 6: Locating Camshafts Aligning Marks
    G03955709Courtesy of FORD MOTOR CO.
  8. Position the LH timing chain and guide and install the bolts.
    • Align the marks on the timing chain with the marks on the camshaft and crankshaft sprockets.
    • Tighten to 25 Nm (18 lb-ft).
    9. Fig 7: Aligning Marks On Timing Chain With Marks On Camshaft & Crankshaft Sprockets
    GF0017032Courtesy of FORD MOTOR CO.
  9. Install the LH timing chain tensioner arm and the LH timing chain tensioner.
    1. Install the tensioner arm.
    2. Position the tensioner.
    3. Install the bolts.
    4. Tighten to 25 Nm (18 lb-ft).
    10. Fig 8: Identifying Timing Chain Tensioner Arm & Bolts
    GF0017033Courtesy of FORD MOTOR CO.
  10. Install the crankshaft damper bolt and rotate the crankshaft clockwise 120 degrees until the crankshaft keyway is in the 3 o'clock position.
    11. Fig 9: Locating Crankshaft Keyway
    G03898316Courtesy of FORD MOTOR CO.
  11. Verify that the RH camshafts are correctly positioned.
    12. Fig 10: Locating Camshafts Align Marks
    G03898496Courtesy of FORD MOTOR CO.
  12. Install the RH timing chain and chain guide and install the bolts.
    • Align the marks on the timing chain with the marks on the camshaft and crankshaft sprockets.
    • Tighten to 25 Nm (18 lb-ft).
    13. Fig 11: Aligning Marks On Timing Chain With Marks On Camshaft & Crankshaft Sprockets
    GF0017034Courtesy of FORD MOTOR CO.
  13. Install the RH timing chain tensioner and tensioner arm.
    1. Install the tensioner arm.
    2. Position the tensioner.
    3. Install the bolts.
    4. Tighten to 25 Nm (18 lb-ft).
    14. Fig 12: Identifying Tensioner Arm, Tensioner & Bolts
    GF0017035Courtesy of FORD MOTOR CO.
  14. Remove the LH and RH timing chain tensioner piston retaining wires.
  15. Rotate the crankshaft counterclockwise 120 degrees to top dead center (TDC).
    16. CAUTION: Failure to verify correct timing drive component alignment will result in severe engine damage.
  16. Verify the timing with the following steps.
    1. There should be 12 chain links between the camshaft timing marks.
    2. There should be 27 chain links between the camshaft and the crankshaft timing marks.
    3. There should be 30 chain links between the camshaft and the crankshaft timing marks.
    17. Fig 13: Checking Chain Links Timing Marks
    GF0017036Courtesy of FORD MOTOR CO.
  17. Remove the crankshaft damper bolt.
    18. Fig 14: Identifying Damper Bolt
    G03898296Courtesy of FORD MOTOR CO.
    CAUTION: This pulse wheel is used in several different engines. Install the pulse wheel with the keyway in the slot stamped "30" or "30RFF" (orange in color).
  18. Install the ignition pulse wheel.
    19. Fig 15: Identifying Ignition Pulse Wheel
    G03898322Courtesy of FORD MOTOR CO.
  19. Install the LH and RH spark plugs.
    • Tighten to 15 Nm (11 lb-ft).
  20. Install the engine front cover. For additional information, refer to Engine Front Cover .
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