Volkswagen Workshop Service and Repair Manuals

Special tools, testers and auxiliary items

• ◆ VW 387 Universal dial gauge bracket
• ◆ Dial gauge

Test sequence

• ‒ → Insert new valve into guide until end of valve stem is flush with end of guide. Due to the slight difference in stem dimensions, ensure that only an inlet valve is used in the inlet guide and an exhaust valve in the exhaust guide.
• ‒ Determine rock.
       Wear limit:
       Inlet valve guide = 1.0 mm
       Exhaust valve guide = 1.3 mm