911 Turbo F6-3299cc 3.3L SOHC Turbo (1992)
Drive Belt: Customer Interest
Alternator - A/C Compressor Belt Squeal On Cold Start
August 25, 1992
Model
911 Turbo
Part Identifier
8725
Group
8
Number
9203
Subject:
Alternator - A/C Compressor Belt Squeal on Cold Start
ATTENTION:
Service Manager/Service Technician
This bulletin replaces Technical Bulletin, Group 8, Number 9203, dated 6-30-92.
Models Affected:
911 Turbo 1991 (M) and 1992 (N) models
Concern:
Squeal from alternator - A/C compressor belt after cold start of the engine.
General Information:
To eliminate belt squeal during cold start, the alternator - A/C compressor belt is now longer and routed differently over the drive pulleys. The new belt
is identified by the marking "6k 1554" printed on the belt (See Figure 1).
Parts Information:
New version belt Part Number 999 192 365 50
Former version belt Part Number 999 192 356 50 (no longer available)
New alternator - A/C compressor belts were introduced into vehicle production as of April 29, 1992, beginning with engine number 61 N 01442 M30.69.
Repair Information:
When complaints of squeal from the alternator drive belt are made, or when replacing the former version belt, the new version belt must be installed and
the tension set with special tool 9201.
1.
The engine must be cold.
