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Valve - Spring Free Length
Valve - Spring Free Length
Measure the free length of each valve spring.
Refer to
ENGINE - 3.9L & 4.2L
for the procedure.
If out of specification, install new components as necessary. Refer to
ENGINE - 3.9L & 4.2L
for the procedure .
Fig 1: Measuring Free Length Of Valve Spring
Courtesy of FORD MOTOR CO.