Technical Service Bulletin Clouding on outside Mirror

Subject: Outside Rear View Mirror Housing Clouding Models: 911/924/924 Turbo/928 ALL

Bulletin Number: 81 – 01

Outside mirror housing has water drain hole at bottom to prevent clouding of mirror glass.

To prevent possible mirror clouding on earlier production cars, proceed as follows:

  • Drill 5 mm (11/64 in.) dia. drain hole centered left to right through bottom of mirror housing 18 mm (11/16 in.) in front of housing.

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