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Camshaft Timing

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Special Tools

Illustration Tool Name Tool Number
GF0000237
 Adapter for 303-564 303-578 (T97T-6256-C)
GF0000234
 Adapter for 303-577 303-576 (T97T-6256-D)
GF0000233
 Extension, Torque Wrench 303-575 (T97T-6256-F)
GF0000236
 Holding Tool, Camshaft 303-577 (T97T-6303-C)
GF0000230
 Holding Tool, Camshaft Sprocket 303-564 (T97T-6256-B)
GF0000235
 Socket, Camshaft Sprocket Nut 303-565 (T97T-6256-G) or equivalent
GF0000231
 Tensioner, Timing Chain 303-571 (T97T-6K254-A)
GF0000232
 Timing Tool, Crankshaft TDC 303-573 (T97T-6303-A)
Material

Item Specification
Motorcraft SAE 5W-30 Premium Synthetic Blend Motor Oil
XO-5W30-QSP (US); Motorcraft SAE 5W-30 Super Premium Motor Oil CXO-5W30-LSP12 (Canada); or equivalent		 WSS-M2C929-A
  1. Remove the camshaft roller followers. For additional information, refer to Camshaft Roller Follower .
  2. If necessary, rotate the accessory drive belt tensioner counterclockwise and remove the accessory drive belt.
    3. Fig 1: Rotating Accessory Drive Belt Tensioner Counterclockwise
    GF0009323Courtesy of FORD MOTOR CO.
  3. If necessary, remove the bolts and position the generator aside.
    4. Fig 2: Locating Generator Bolts
    GF0026803Courtesy of FORD MOTOR CO.
  4. If necessary, remove the bolts and position the A/C compressor and power steering pump bracket aside.
    5. Fig 3: Locating Power Steering Bracket & Bolts
    GF0009391Courtesy of FORD MOTOR CO.
  5. Remove the nut and position the wiring harness aside.
    6. Fig 4: Locating Wiring Harness Bracket Nut
    GF0026804Courtesy of FORD MOTOR CO.
    NOTE: You must re-time the LH and RH camshafts when either camshaft is disturbed.
    Fig 5: Locating Crankshaft Pulley Timing Ring Slot
    G00561900Courtesy of FORD MOTOR CO.
  6. Turn the crankshaft pulley clockwise until the crankshaft pulley timing ring slot is at the 12 o'clock position.
  7. Install the Crankshaft TDC Timing Tool on the crankshaft pulley timing ring.
    Fig 6: Identifying Special Tool (303-573)
    G00561901Courtesy of FORD MOTOR CO.
    8. NOTE: While turning the crankshaft pulley, take care to not overturn the crankshaft pulley or damage to the crankshaft pulley timing ring may occur.
    NOTE: The Crankshaft TDC Timing Tool must be installed on the crankshaft pulley and should contact the engine block. This positions the engine at TDC.
    Fig 7: Locating Special Tools (303-573 & 303-D055)
    G00561902Courtesy of FORD MOTOR CO.
  8. Using the Strap Wrench, slowly turn the crankshaft counterclockwise until the TDC Timing Tool contacts the engine block in the slot shown in the figure below.
  9. Install the special tools to the RH cylinder head and tighten the 2 top clamp bolts to 10 Nm (89 lb-in).
    10. Fig 8: Locating Clamp Bolts & Special Tools (303-564, 303-578)
    GF0009292Courtesy of FORD MOTOR CO.
    NOTE: The RH camshaft sprocket bolt is a LH-threaded bolt. Turning the bolt in the wrong direction can damage the bolt.
  10. Using the special tool with the Camshaft Sprocket Nut Socket 303-565, loosen the RH camshaft sprocket bolt.
    11. Fig 9: Identifying Special Tool (303-575)
    G03946901Courtesy of FORD MOTOR CO.
  11. Loosen the top 2 special tool clamp bolts.
    12. Fig 10: Locating Special Tool Clamp Bolts
    GF0009293Courtesy of FORD MOTOR CO.
    NOTE: The camshaft timing slots are off-center.
  12. Position the camshaft timing slots below the centerline of the camshaft to correctly fit the special tools and install the special tools on the front of the RH cylinder head.
    13. Fig 11: Identifying Special Tools (303-576, 303-577)
    G03946903Courtesy of FORD MOTOR CO.
  13. Remove the RH hydraulic camshaft tensioner.
    14. Fig 12: Identifying RH Hydraulic Camshaft Tensioner
    GF0009295Courtesy of FORD MOTOR CO.
  14. Install the special tool.
    15. Fig 13: Identifying Special Tool (303-571)
    G03946905Courtesy of FORD MOTOR CO.
    NOTE: The RH camshaft sprocket bolt is a LH-threaded bolt. Turning the bolt in the wrong direction can damage the bolt.
  15. Tighten the bolts.
    1. Tighten the special tool top 2 clamp bolts to 10 Nm (89 lb-in).
    2. Using the special tool with the Camshaft Sprocket Nut Socket 303-565, tighten the camshaft bolt to 61 Nm (45 lb-ft).
    16. Fig 14: Tightening Camshaft Bolt Using Special Tool (303-575)
    GF0009296Courtesy of FORD MOTOR CO.
  16. Remove the special tool.
    17. Fig 15: Identifying Special Tool (303-571)
    G03946905Courtesy of FORD MOTOR CO.
    NOTE: Install a new O-ring seal on the tensioner and lubricate with clean engine oil.
  17. Install the RH hydraulic camshaft tensioner.
    • Tighten to 44 Nm (32 lb-ft).
    18. Fig 16: Identifying RH Hydraulic Camshaft Tensioner
    GF0009295Courtesy of FORD MOTOR CO.
  18. Remove the special tools from the RH cylinder head.
  19. Install the special tools on the front of the LH cylinder head and tighten the top 2 clamp bolts to 10 Nm (89 lb-in).
    20. Fig 17: Identifying Special Holding Tool
    G03946909Courtesy of FORD MOTOR CO.
  20. Loosen the LH camshaft sprocket bolt.
    21. Fig 18: Locating LH Camshaft Sprocket Bolt
    GF0009297Courtesy of FORD MOTOR CO.
  21. Loosen the top 2 clamp bolts on the special tool to allow the camshaft sprocket to rotate freely.
    22. Fig 19: Locating Clamp Bolts On Special Tool
    GF0009298Courtesy of FORD MOTOR CO.
    NOTE: The camshaft timing slots are off-center.
  22. Position the camshaft timing slots below the centerline of the camshaft to correctly fit the special tools, and install the special tools on the rear of the LH cylinder head.
    23. Fig 20: Identifying Special Tools (303-576, 303-577)
    G03946903Courtesy of FORD MOTOR CO.
  23. Remove the LH hydraulic camshaft tensioner.
    24. Fig 21: Locating Camshaft Tensioner
    G03913851Courtesy of FORD MOTOR CO.
  24. Install the special tool.
    25. Fig 22: Identifying Special Tool (303-571)
    GF0009299Courtesy of FORD MOTOR CO.
  25. Tighten the bolts.
    1. Tighten the special tool top 2 clamp bolts to 10 Nm (89 lb-in).
    2. Tighten the LH camshaft bolt to 85 Nm (63 lb-ft).
    26. Fig 23: Identifying Camshaft Bolt & Clamp Bolts
    G03947018Courtesy of FORD MOTOR CO.
  26. Remove the special tool.
    27. Fig 24: Identifying Special Tool (303-571)
    GF0009299Courtesy of FORD MOTOR CO.
    NOTE: Install a new O-ring seal on the tensioner and lubricate with clean engine oil.
  27. Install the LH hydraulic camshaft tensioner.
    • Tighten to 44 Nm (32 lb-ft).
    28. Fig 25: Locating Camshaft Tensioner
    G03913851Courtesy of FORD MOTOR CO.
  28. Remove the special tools from the LH cylinder head.
  29. Remove the Crankshaft TDC Timing Tool.
    30. Fig 26: Identifying Special Tool (303-573)
    G03946899Courtesy of FORD MOTOR CO.
  30. Position the battery cable bracket and install the nut.
    • Tighten to 20 Nm (15 lb-ft).
    31. Fig 27: Locating Wiring Harness Bracket Nut
    GF0026804Courtesy of FORD MOTOR CO.
  31. If necessary, position the A/C compressor and power steering pump bracket and install the bolts.
    • Tighten to 42 Nm (31 lb-ft).
    32. Fig 28: Locating Power Steering Bracket & Bolts
    GF0009391Courtesy of FORD MOTOR CO.
  32. If necessary, position the generator and install the bolts.
    • Tighten to 47 Nm (35 lb-ft).
    33. Fig 29: Locating Generator Bolts
    GF0026803Courtesy of FORD MOTOR CO.
  33. If necessary, rotate the accessory drive belt tensioner counterclockwise and install the accessory drive belt.
    34. Fig 30: Rotating Accessory Drive Belt Tensioner Counterclockwise
    GF0009323Courtesy of FORD MOTOR CO.
  34. Install the camshaft roller followers. For additional information, refer to Camshaft Roller Follower .
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