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Home >> Lincoln >> 2003 >> LS 3.9 A >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine-3.9L >> General Procedures >> Valve Clearance Check
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Valve Clearance Check

  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.