volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Engine lubrication > < Renewing valve stem seals
Checking valve guides
Checking valve guides
Special tools and workshop equipment required
   
t  Universal dial gauge bracket -VW 387-
  W00-0037
t  Dial gauge -VAS 6079-
Test procedure
  W00-1261
–  Insert valve into guide. Valve stem end must be flush with guide. On account of differing stem diameters, only use inlet valve in inlet guide and exhaust valve in exhaust guide.
–  Determine rock.
Wear limit
  V15-0133
Inlet valve guideExhaust valve guide
0.80 mm0.80 mm

  Note
t  If the wear limit is exceeded, repeat the measurement with new valves. Renew cylinder head if wear limit is still exceeded.
t  If the valve is to be renewed as part of a repair, use a new valve for the calculation.
   

Engine lubrication > < Renewing valve stem seals