New Beetle GLS L4-2.0L (AZG) (2002)
Valve Guide: Testing and Inspection
Valve guides, checking
Special tools and equipment
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VW 387 Universal dial gauge bracket
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Dial gauge
Test sequence
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Insert new valve into guide until end of valve stem is flush with end of guide. Due to slight difference in stem diameters, ensure that an intake
valve only is used in intake guide and an exhaust valve only in exhaust guide.
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Measure "rocking dimension".
Wear limit:
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Intake valve guide = 1.0 mm
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Exhaust valve guide = 1.3 mm