LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lincoln >> 2002 >> LS 3.9 A >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System - General Information >> General Procedures >> Valve - Spring Squareness
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Valve - Spring Squareness

  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. Install a new valve spring if out of square. See 3.0L V6 VIN S or 3.9L VIN A .
    Fig 1: Measuring Valve Spring Squareness
    G01103257Courtesy of FORD MOTOR CO.
scientia non olet · About LEMON Manuals