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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Engine Mechanical - 4.6L (3V)) >> In-Vehicle Servicing >> Camshaft Roller Follower >> Removal

Camshaft Roller Follower: Removal

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
  1. Depending on the roller follower being serviced, remove the LH or RH valve cover. For additional information, refer to Valve Cover - LH  or Valve Cover - RH .
  2. Rotate the crankshaft until the piston for the valve being serviced is at the top of its stroke with the intake valve and the exhaust valves closed.
    3. CAUTION: If the components are to be reinstalled, they must be installed in their original positions. Mark the components for installation into their original locations. Failure to follow these instructions may result in engine damage.
    NOTE: Do not allow the valve keepers to fall off of the valve or the valve may drop into the cylinder. If a valve drops into the cylinder, the cylinder head must be removed. For additional information, refer to Cylinder Head .
    NOTE: It may be necessary to push the valve down while compressing the spring.
  3. Using the special tool, compress the valve spring and remove the camshaft roller follower.
    4. Fig 1: Identifying Special Tool (303-1039) For Removing/Installing Camshaft Roller Followers
    G03919946Courtesy of FORD MOTOR CO.
  4. Repeat the previous 2 steps for each roller follower being serviced.
  5. Inspect the roller follower. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION .
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