seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

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Checking valves > < Reworking valve seats

Leon Mk2

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-
Procedure
  Note
t  If the valve is renewed as part of a repair, use a new valve for the measurement.
t  Due to differing stem diameters, only use intake valve in intake guide and exhaust valve in exhaust guide.
  W00-1261
–  Attach dial gauge -VAS 6079- with universal dial gauge holder -VW 387- to cylinder head.
–  Insert valve into valve guide.
l  The end of the valve stem must be flush with the guide.
–  Determine rock.
l  Wear limit: 1.0 mm.
–  If the wear limit is exceeded, repeat the measurement with new valves.
–  Renew cylinder head if wear limit is still exceeded.
  Note
Valve guides cannot be exchanged.
  V15-0133

Checking valves > < Reworking valve seats