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Reworking valve seats > < Reworking valve seats

Fabia Mk1

Calculating maximum permissible reworking dimension
Calculating maximum permissible reworking dimension
–  Insert valve into the guide and press firmly against the valve seat.
  Note
If the valve is replaced when carrying out repair work, use a new valve for the measurement.
   
–  Measure distance between the valve stem end and the upper face of the cylinder head.
–  Calculate max. permissible reworking dimension from the distance measured and the minimum dimension.
  S15-0318
Minimum dimension: inlet valve7.6 mm
Minimum dimension: outlet valve7.6 mm

„Measured distance“ - „minimum dimension“ = „max. permissible reworking dimension“.
Example:
   
Measured distance 8.0 mm
- Minimum dimension 7.6 mm
= max. permissible reworking dimension → Remark 0.4 mm

1)  The max. permissible reworking dimension is shown in the figure for reworking the valve seats as dimension „b“.
   

Reworking valve seats > < Reworking valve seats