volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Valve stem seals - replace > < Valve guides - check

Polo Mk4

Checking sequence
Checking sequence
   
–  Insert new valve in the guide. Stem end must face the guide. Due to valve stem diameter differences, only intake valves may be used on the intake guide and only exhaust valves may be used on exhaust guide.
–  Determine folding space. wear limit: 1.3 mm
If folding space is exceeded:
–  If folding set is above wear limit, head must be replaced.
  V15-0133

Valve stem seals - replace > < Valve guides - check