Special Tool(s)

WARNING: This page is about a different car, the 2005 Lincoln Navigator and 2005 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

SPECIAL TOOL DESCRIPTION

Pressure Gauge, Valve/Clutch Spring 303-006 (TOOL-6513-DD) or equivalent

Use a Valve/Clutch Spring Pressure Gauge to check the valve spring for correct strength at the specified valve spring length.
- For additional information, refer to GENERAL SPECIFICATIONS .
- If out of specification, install new components as necessary. Refer to ENGINE for the procedure.
  
  Fig 1: Measuring Valve Spring Strength
  Courtesy of FORD MOTOR CO.