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Valve guides, checking Audi A4 B7

3.0l 6-cyl 5v Engine Mechanical, Engine Code(s): Avk, Bgn 1 illustration ~103 words

Valve guides, checking

Special tools and equipment

  1. VW387 Dial gauge holder
  2. Dial gauge

Work sequence

Scheme 224

Scheme 224
Scheme 224
  1. Insert valve into guide. Valve stem tip must seal with guide. Due to differences in valve stem diameter, make sure that only intake valves are used to check intake guides, and only exhaust valves are used to check exhaust guides.
  2. Measure side play.

Wear limit

1024 Intake valve guide1024 Exhaust valve guide
0.80 mm0.80 mm

Note. If wear limit is exceeded, re-measure using new valves. If wear limit is still exceeded, replace cylinder head. Valve guides cannot be replaced. If valve is to be replaced during repair, use a new valve for measurement.