LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lincoln >> 2003 >> LS 3.0 S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine-3.9L) >> General Procedures >> Valve Clearance Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Valve Clearance Check

WARNING: This page is about a different variant/trim than selected.
  1. Remove the valve covers. For additional information, Refer to VALVE COVER LH  or VALVE COVER RH .
  2. Remove the spark plugs.
  3. NOTE: The engine will have to be rotated with the crankshaft pulley bolt to bring each valve to base circle.
    NOTE: The valve clearance must be measured with the camshaft at base circle.
    Fig 1: Measuring Valve Clearances
    G01286015Courtesy of FORD MOTOR CO.
  4. Measure and record all valve clearances.
  5. If the valve clearances are out of specification, Refer to VALVE CLEARANCE ADJUSTMENT .
  6. To assemble, reverse the inspection procedure.