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Home >> Acura >> 2014 >> MDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control And Engine Mechanical - Service, Testing And Troubleshooting (Except Hybrid) >> Inspection >> Valve Inspection >> Inspection

Valve Inspection: Inspection

  1. Valve - Remove
  2. Valve - Inspect
    GHH320124Courtesy of HONDA, U.S.A., INC.
    1. Measure the valve in these areas.
    NOTE: The letter (D or S) is stamped on the valve head (E).

    Intake Valve Dimensions 

    Exhaust Valve Dimensions 

    A Standard (New):   
    D:  29.85-30.15 mm (1.1752-1.1870 in)
    S:  29.90-30.10 mm (1.1772-1.1850 in)
    B Standard (New):  113.90-114.50 mm (4.4842-4.5079 in)
    C Standard (New):  5.450-5.460 mm (0.21457-0.21496 in)
    C Service Limit:  5.450 mm (0.21457 in) 
    A Standard (New):  35.90-36.10 mm (1.4134-1.4213 in)
    B Standard (New):  116.55-117.15 mm (4.5886-4.6122 in)
    C Standard (New):  5.485-5.495 mm (0.21594-0.21634 in)
    C Service Limit:  5.485 mm (0.21594 in) 
  3. All Removed Parts - Install
    1. Install the parts in the reverse order of removal.