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HOMESERVICE MANUALSFORD2009FUSION SEL, 3.0 1, FWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1463 (ENGINE SYSTEM - GENERAL INFORMATION)GENERAL PROCEDURESVALVE SPRING SQUARENESS
2009 Ford Fusion SEL, 3.0 1, FWD

Valve Spring Squareness

2009 Ford Fusion SEL, 3.0 1, FWDSECTION Valve Spring Squareness
WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
  1. Measure the out-of-square on each valve spring.
    • Turn the valve spring and observe the space between the top of the valve spring and the square.
      • Fig 1: Measuring Out-Of-Square On Valve Spring
      G06064106Courtesy of FORD MOTOR CO.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.