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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Engine Mechanical - 5.4L (4V)) >> In-Vehicle Servicing >> Valve Seals >> Installation

Valve Seals: Installation

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.
    NOTE: Lubricate the valve seal and valve stem with clean engine oil prior to installation.
  1. Using the Valve Spring Compressor and the Valve Stem Oil Seal Installer, install a new valve seal.
    2. Fig 1: Installing New Valve Seal Using Special Tools (303-383) & (303-452)
    GF0000439Courtesy of FORD MOTOR CO.
  2. Install the Valve Spring Compressor Spacer between the valve spring coils to protect the valve stem seal from damage.
    3. Fig 2: Installing Special Tool (303-382) Between Valve Spring Coils
    GF0000436Courtesy of FORD MOTOR CO.
    NOTE: If the components are to be reinstalled, they must be installed in their original positions. Failure to follow these instructions may result in engine damage.
  3. Using the Valve Spring Compressor, install the valve spring, the valve spring retainer and the valve spring retainer keys.
    4. Fig 3: Installing Valve Spring, Valve Spring Retainer & Valve Spring Retainer Keys Using Special Tool (303-452)
    GF0000438Courtesy of FORD MOTOR CO.
    NOTE: If the components are to be reinstalled, they must be installed in their original positions. Failure to follow these instructions may result in engine damage.
  4. Using the Valve Spring Compressor, compress the valve spring and install the camshaft roller follower.
    5. Fig 4: Using Special Tool (303-452) To Compress Valve Springs
    GF0002626Courtesy of FORD MOTOR CO.
  5. Install the spark plug. For additional information, refer to ENGINE IGNITION - 5.4L (4V) .
  6. Depending on the valve being serviced, install the RH or LH valve cover. For additional information, refer to Valve Cover - RH  or Valve Cover - LH  .
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