skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

Engine lubrication > < Replacing valve stem seals
Inspect valve guides
Inspect valve guides
Special tools and workshop equipment required
t  Universal dial gauge holder -MP 3-447 (VW 387)-
t  Dial gauge
Test sequence
   
–  Insert valve into the guide. End of valve stem must be flush with guide. Because of the different stem diameters only use inlet valve in inlet guide or outlet valve in outlet guide.
–  Determine valve rock.
   The minimum dimension for inlet and exhaust valve: 0.8 mm
  Note
t  If the wear limit is exceeded, repeat measurement with new valves. If the wear limit is again exceeded, replace cylinder head. The valve guides cannot be replaced.
t  If the valve is replaced when carrying out repair work, use a new valve for the measurement.
  S15-0078

Engine lubrication > < Replacing valve stem seals