911 Turbo F6-3299cc 3.3L SOHC Turbo (1992)
Technical Service Bulletin # 29105
Date: 911230
Campaign - Defective Turbo Control Unit Software
December 30, 1991
Model
Group
911 turbo
2
Part Identifier
Number
2811
9105
Subject:
Turbo Control Unit (Service Action 291)
ATTENTION:
Service Manager/Service Technician
This is to notify you of a Service Action for 1991/92 Model 911 turbo Porsches. It has been determined by Porsche AG that the turbo control unit may
be equipped with defective software. The vehicles do not start at temperatures below 32~ Fahrenheit.
The turbo control unit must be checked and, if necessary, replaced on vehicles affected by this service action:
Model 1991: WPOAA296 - MS480504 to WPOAA296 - MS480673
Model 1992: WPOAA296 - NS480061 to WPOAA296 - NS480290
Customer Notification
Porsche Cars North America, Inc. will notify all known owners directly by first class mail during the week of December 26, 1991, as per the attached
copy of the Customer Notification letter.
For those vehicles in dealer inventory, or for those for which we do not have sales information, the notification will be addressed to the dealer. If the
vehicle is in dealer inventory, the service action involving the turbo control unit should be performed without delay.
In addition, to minimize the inconvenience to Porsche Owners with vehicles involved in this Service Action, you are authorized to provide a rental car
for one day. Porsche Cars North America, Inc. will reimburse you up to $30.00 for the one day car rental or an additional $30.00 to dispatch a technician
to the owner's residence or business location.
If the vehicle has been retailed or dealer traded, the dealer is to make the necessary arrangements to have the customer or receiving dealer contacted and
the service action performed.
Work Procedure
See attachments.
Parts Requirements
The first shipments of parts required to perform the Service Action will be shipped to your dealership during the week of December 26, 1991.
The parts required to perform this service action are:
Quantity
Part Number
Description
1
965 618 130 00
Turbo Control Unit
Additional quantities, after initial allocation is made, should be ordered as needed through normal parts channels using the above part numbers.
Time Allowance
See Administrative Procedures.
Administrative Procedure
See attachments.