911 Carrera 2 Coupe F6-3600cc 3.6L SOHC (1990)
Brake Fluid Pump Relay: All Technical Service Bulletins
ABS Brakes - Hydraulic Pump, Supply Line Overheating
August 11, 1992
Model
911 C4/T
Part Identifier
4554
Group
4
Number
9206
Subject:
Relay for Hydraulic Brake Pump
ATTENTION:
Service Manager/Service Technician
Models Affected:
911 Carrera 4, 1989-on
911 Turbo, 1991-on
Concern:
Possible relay sticking in the on position causing hydraulic pump and supply line to overheat. (See Figure B for possible affected parts.).
Work Procedure:
When repairing pump or supply line, always replace the relay along with the affected parts.
Parts Information:
Brake Pump Relay Part Number 964 615 135 00
Location (Figure A)
R51 in central electric board