Brakes - Objectionable Noise: Overview
90porsche08 October 30, 1990Subject: Brake Vibration Damper Application
Model Group
All 4
Part Identifier Number
4745 9005
ATTENTION: Service Manager/Service Technician
This bulletin replaces Technical Bulletin Group 4, Number 8902, dated March 17, 1989 and Technical Bulletin Group 4, Number 9005, dated May 8, 1990.
Models Affected: 944 S2, 944 Turbo from model year '88 (J)
911 Carrera 2 and 911 Carrera 4 from model year '89 (K)
928 S4, 928 GT from model year '88 (J)
Concern: Application of vibration dampers and damping plates.