seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Checking valves > < Reworking valve seats
Valve guides: verification
Valve guides: verification
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.
Special tools and workshop equipment required
   
t  Adjustment tool -VW 387-, please see Correspondence → Anchor
  W00-0037
t  Gauge -VAS 6079-, see equivalent → Anchor
Operation process
  Note
t  If a valve is to be replaced during a repair, use a new valve for the calculation.
t  Due to differing stem diameters, only use intake valve in intake guide and exhaust valve in exhaust guide.
  W00-1261
–  Attach the gauge -VAS 6079- with the universal gauge support -VW 387- to the cylinder head.
–  Insert new valve into 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, redo the measurement using new valves.
–  If the wear limit is still exceeded, replace the cylinder head
  Note
The valve guides cannot be replaced.
  V15-0133

Checking valves > < Reworking valve seats