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Valve Clearance

  1. Adjust valves with engine at normal operating temperature. Clearance adjustments are to be checked and made according to firing order sequence. Rotate crankshaft until cam lobes for No. 1 cylinder valves point upward. Measure valve clearances of No. 1 cylinder.
    NOTE: When adjusting valves, rotate engine CLOCKWISE only, otherwise timing belt may slip.
  2. If adjustment is necessary, use tappet depressor (VW546) and disc remover (10-208) to remove and install adjusting discs. Rotate camshaft until cam lobes no longer rest on adjusting discs of cylinder. Turn tappet until notches are at 90° to camshaft. Insert depressor (VW546) and depress tappet. Using disc remover (10-208), hold tappet disc and rotate it out from under camshaft.
  3. Thickness is stamped on bottom side of disc. Use clearance measurement to determine thickness of adjusting disc needed. Discs are available in 0.002" (.05 mm) increments from 0.118 - 0.167" (3.0-4.2 mm). Reverse removal procedures to install proper disc. Repeat procedure as required for remaining valves.
    VALVE CLEARANCE SPECIFICATIONS

    Application Clearance In. (mm)
    Intake .008-.012 (.2-.3)
    Exhaust .016-.020 (.4-.5)
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