volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Renewing valve stem seals > < Reworking valve seats

Polo Mk5

Checking valve guides
Checking valve guides
Special tools and workshop equipment required
t  Universal dial gauge bracket -VW 387-
   
t  Dial gauge
Test procedure
  W00-0037
–  Insert new valve into guide. The end of the valve stem must be flush with the guide. On account of differing stem diameters, only use inlet valve in inlet guide and exhaust valve in exhaust guide.
–  Determine rock by moving valve in direction of -arrow-.
Wear limit: 0.8 mm
If wear limit is exceeded:
–  Repeat measurement using a new valve.
If wear limit is exceeded again:
–  Renew cylinder head.
  V15-0249

Renewing valve stem seals > < Reworking valve seats