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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 421 (Engine - 3.0L) >> In-Vehicle Repair >> Camshaft, Valve Springs and Valve Seals >> Removal and Installation

Removal and Installation

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Cylinder head camshaft journal caps and cylinder heads are numbered to be sure they are assembled in their original positions. Keep camshaft journal caps with the cylinder head from which they were removed. Do not mix with camshaft journal caps from another cylinder head.
  1. Remove the timing drive components. For additional information, refer to TIMING DRIVE COMPONENTS  in this section.
  2. Remove the components in the order indicated in the following illustration and table. To remove individual components, carry out only the listed steps.
    COMPONENT STEPS SPECIFICATION

    Component Steps
    Camshafts 1-5
    Valve springs and valve seals 1-12
  3. Illustration 1 of 2. Remove the components in the order indicated in the following illustration and table.
    Fig 1: Removing Camshafts
    G03200443Courtesy of FORD MOTOR CO.
  4. Illustration 2 of 2. Remove the components in the order indicated in the following illustration and table.
    Fig 2: Removing Valve Springs And Valve Seals
    G03200444Courtesy of FORD MOTOR CO.

Item 1: Camshaft Journal Thrust Cap Bolts Removal Note 

    CAUTION: Remove the camshaft journal thrust caps prior to loosening the other camshaft journal cap bolts. Damage to the camshaft journal thrust caps can occur if not removed first.
    CAUTION: Cylinder head camshaft journal caps and cylinder heads are numbered to be sure they are assembled in their original positions. Keep camshaft journal caps with the cylinder head from which they were removed. Do not, mix with camshaft journal caps from another cylinder head.
    Fig 3: Locating Camshaft Journal Cap
    G03200445Courtesy of FORD MOTOR CO.
  1. Remove the bolts.

Item 2: Camshaft Journal Thrust Cap Removal Note 

    NOTE: The camshaft journal thrust caps have alignment dowels.
    Fig 4: Removing Camshaft Journal Thrust Caps
    G03200446Courtesy of FORD MOTOR CO.
  1. Using a soft-faced mallet, gently loosen and remove the camshaft journal thrust caps.

Item 4: Camshaft Journal Caps Removal Note 

  1. Using a soft-faced mallet, gently loosen and remove the remaining camshaft journal caps.
    Fig 5: Removing Camshaft Journal Caps
    G03200447Courtesy of FORD MOTOR CO.

Items 5 and 6: Intake And Exhaust Camshafts Removal Note 

  1. Use care when lifting out the camshafts.
    Fig 6: Removing Camshafts
    G03200448Courtesy of FORD MOTOR CO.

Items 7 and 8: Tappet and Shim Removal Note 

    CAUTION: Do not use any means of marking the shims other than a permanent type marker. Any scratches or paint on the shims can result in incorrect lash adjustment and severe engine damage.
    CAUTION: The tappets and shims must be installed in their original position to make sure of correct valve lash settings.
  1. Remove the tappet and shim.

Items 9-12: Valve Spring Retainer Key, Retainer, Valve Spring and Valve Stem Seal Removal Note 

  1. Remove the spark plug for the cylinder being serviced.
  2. Position the piston for the cylinder being serviced at the top of its stroke and pressurize the cylinder with compressed air.
  3. Using the special tool, compress the valve spring and remove the retainer keys.
    Fig 7: Removing Retainer Keys
    G03200449Courtesy of FORD MOTOR CO.
  4. Repeat the procedure for all of the cylinders to be serviced.
  5. Remove the valve spring.
    1. Remove the retainer.
    2. Remove the valve spring.
    Fig 8: Removing Valve Spring
    G03200450Courtesy of FORD MOTOR CO.
  6. Remove the valve stem seal.
    Fig 9: Removing Valve Stem Seal
    G03200451Courtesy of FORD MOTOR CO.

Items 9-12: Valve Spring Retainer Key, Retainer, Valve Spring and Valve Stem Seal Installation Note 

  1. Install the valve stem seal.
    Fig 10: Installing Valve Stem Seal
    G03200452Courtesy of FORD MOTOR CO.
  2. Install the valve spring and retainer.
  3. Using the special tool, compress the valve spring and install the retainer keys.
    Fig 11: Installing Valve Spring And Retainer
    G03200453Courtesy of FORD MOTOR CO.
  4. Release the compressed air used to hold the valves closed.
  5. Install the spark plug. For additional information, refer to INTAKE AIR, FUEL CHARGING, STARTING & ENGINE ELECTRONICS - 3.0L (4V) .

Items 7 and 8: Tappet and Shim Installation Note 

    CAUTION: The tappets and shims must be installed in their original position to make sure of correct valve lash settings.
    NOTE: Lubricate the tappet shims and camshaft lobes with clean engine oil.
  1. Install the tappet and shim.

Items 5 and 6: Exhaust and Intake Camshafts Installation Note 

    NOTE: Be sure camshaft bearing caps are installed in their original positions.
    Fig 12: Locating Cams On Cam Shaft
    G03200454Courtesy of FORD MOTOR CO.
  1. Lubricate camshafts with clean engine oil and carefully position the camshafts into the cylinder head.

Item 4: Camshaft Journal Caps Installation Note 

    CAUTION: Do not install the camshaft journal thrust caps until all of the camshaft bearing caps have been installed, or damage to the thrust caps can occur.
    Fig 13: Installing Bearing Caps
    G03200455Courtesy of FORD MOTOR CO.
  1. Lubricate the bearing surfaces of the camshaft bearing caps with clean engine oil, install the bearing caps, and loosely install the bolts.

Item 2: Camshaft Journal Thrust Cap Installation Note 

  1. Lubricate the bearing surfaces of the camshaft journal thrust caps with clean engine oil, install the caps, and loosely install the bolts.
    Fig 14: Installing Camshaft Journal Thrust Caps
    G03200456Courtesy of FORD MOTOR CO.
  2. Tighten the bolts in the sequence shown.
    Fig 15: Camshaft Journal Thrust Caps Bolts Tightening Sequence
    G03200457Courtesy of FORD MOTOR CO.
  3. CAUTION: If any components are installed new, the engine must be reshimmed or engine damage can occur.
    Fig 16: Checking Valve Clearance
    G03200458Courtesy of FORD MOTOR CO.
  4. Using a feeler gauge, confirm that the tappet and shim clearances are within specification. For additional information, refer to VALVE CLEARANCE CHECK  in this section.
  5. If tappet and shim clearances are not within specifications, adjust the clearance. For additional information, refer to VALVE CLEARANCE ADJUSTMENT  in this section.
    CAUTION: Verify that the crankshaft is in the nine o'clock position before rotating the camshafts, or damage to the valve train can result.
  6. Rotate the camshafts to be sure they are not binding. If binding occurs, check to make sure that all bearing caps are in the original positions. Loosen all bearing cap bolts in reverse order and then tighten again.
  7. Install the timing drive components. For additional information, refer to TIMING DRIVE COMPONENTS  in this section.