Valve Spring Free Length

WARNING: This page is about a different car, the 2009 Mercury Mountaineer, 2009 Ford Explorer Sport Trac, and 2009 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Refer to the appropriate ENGINE - 4.0L SOHC or ENGINE - 4.6L (3V) .

Measure the free length of each valve spring.

Fig 1: Measuring Free Length Of Valve Spring

Courtesy of FORD MOTOR CO.