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In-Vehicle Repair: Camshafts: Installation

    NOTE: Apply clean engine oil to the camshaft journals, the camshaft caps and the camshaft lobes prior to installing the camshafts.
    Fig 1: Locating LH Camshafts
    G04690367Courtesy of FORD MOTOR CO.
  1. Position the LH camshafts on the camshaft journals.
    2. CAUTION: Install the camshaft bearing caps. The camshaft bearing caps are positional and must be installed in their original locations and orientation or engine damage can occur.
  2. Install the LH camshaft bearing caps.
    • Position the bearing caps.
    • Install the bearing cap bolts. Tighten the bolts in 3 stages in the sequence shown.
      • Stage 1: Hand-tighten.
      • Stage 2: Tighten to 6 Nm (53 lb-in).
      • Stage 3: Tighten an additional 90 degrees.
        Fig 2: Identifying Bearing Cap Bolts Tightening Sequence
        G04690368Courtesy of FORD MOTOR CO.
    3. NOTE: Apply clean engine oil to the camshaft journals, the camshaft caps and the camshaft lobes prior to installing the camshafts.
    Fig 3: Locating RH Camshafts
    G04690369Courtesy of FORD MOTOR CO.
  3. Install the RH camshafts.
    4. CAUTION: Install the camshaft bearing caps. The camshaft bearing caps are positional and must be installed in their original locations and orientation or engine damage can occur.
  4. Install the RH camshaft bearing caps.
    • Position the bearing caps.
    • Install the bolts. Tighten the bolts in 3 stages in the sequence shown.
      • Stage 1: Hand-tighten.
      • Stage 2: Tighten to 6 Nm (53 lb-in).
      • Stage 3: Tighten an additional 90 degrees.
        Fig 4: Identifying Bearing Cap Bolts Tightening Sequence
        G04690370Courtesy of FORD MOTOR CO.
    5. CAUTION: If any components are installed new, the engine must be reshimmed or engine damage can occur.
    Fig 5: Locating Feeler Gauge
    G04690371Courtesy of FORD MOTOR CO.
  5. Using a feeler gauge, confirm that the tappet and shim clearances are within specification. For additional information, refer to VALVE CLEARANCE CHECK .
  6. If tappet and shim clearances are not within specification, adjust the clearance. For additional information, refer to VALVE CLEARANCE ADJUSTMENT .
  7. Install the timing drive components. For additional information, refer to TIMING DRIVE COMPONENTS .
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