1991 PORSCHE 911 Recalls (4)

Campaign:
92V142000 on 10/15/1992
Component:
Vehicle speed control
Manufactured:
03/31/1988 - 12/31/1991
Affected:
11,091
Defect:
The ball sockets on the cruise control linkage can break, allowing the cruise control linkage to become detached on one end and jam on nearby components, which could impair throttle plate operation.
Consequence:
Impaired throttle plate operation could prevent theengine from returning to idle, resulting in unwanted engine speed and possiblevehicle accident.
Correction:
Replace the current plastic ball sockets with a new linkage using steel ball sockets, and lubricate the cruise control relay lever. owners are advised not to use the cruise control until the modification is installed.
Notes:
System: cruise control.vehicle description: passenger cars; carrera 2 and carrera 4 models.

Campaign:
93V204000 on 12/15/1993
Component:
Electrical system:fuses and circuit breakers
Manufactured:
03/31/1988 - 12/31/1991
Affected:
11,346
Defect:
After the engine has been turned off, the rear heater will automatically operate in order to dissipate heat in the engine heating system. during this operation, the resistor for the rear heater blower can become overloaded due to a binding or seized rear heater blower.
Consequence:
The overloaded resistor can create heat sufficient toignite the plastic air pipe to which it is connected, resulting in an enginecompartment fire.
Correction:
Porsche dealers will install a new resistor containing a circuit breaker.
Notes:
System: heater; water; defroster; circuit breaker.vehicle description: passenger vehicles.note: if your vehicle is presented to an authorized dealer on an agreed uponservice date and the remedy is not provided within a reasonable time and freeof charge or the remedy does not correct the defect or noncompliance, pleasecontact porsche service center at 1-800-545-8039. also contact the nationalhighway traffic safety administration's auto safety hotline at 1-800-424-9393.

Campaign:
93V205000 on 12/15/1993
Component:
Service brakes, hydraulic:power assist:vacuum:hoses, lines/piping, and fittings
Manufactured:
06/30/1990 - 09/30/1992
Affected:
1,149
Defect:
The hydraulic brake pressure reduction valve causes the rate of hydraulic pressure reduction to slow down, which may result in the rear wheels locking-up even with the anti-lock brake system in operation.
Consequence:
Rear wheel lock-up may result in loss of vehiclecontrol and an accident.
Correction:
Porsche dealers will install a modified hydraulic brake pressure reduction valve.
Notes:
System: brakes; hydraulic; power assist; check valve.vehicle description: passenger vehicles; models 911 turbo and 911 americaroadster.note: if your vehicle is presented to an authorized dealer on an agreed uponservice date and the remedy is not provided within a reasonable time and freeof charge or the remedy does not correct the defect or noncompliance, pleasecontact porsche service center at 1-800-545-8039. also contact the nationalhighway traffic safety administration's auto safety hotline at 1-800-424-9393.

Campaign:
96V147000 on 08/07/1996
Component:
Steering:wheel and handle bar
Manufactured:
03/31/1988 - 07/29/1992
Affected:
12,538
Defect:
A part of the steering column upper universal joint cracked during the manufacturing process.
Consequence:
This condition could result in noise and free play in the steering system and if left uncorrected, will result in loss of steering control.
Correction:
Dealers will inspect the universal joint for cracks and will replace cracked joints with new parts.
Notes:
Owner notification:owner notification is expected to begin during august 1996. note:owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact porsche at 1-800-545-8039.also contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.

1991 PORSCHE 911 TSBs (6)

Bulletin:
GRP4/9310
Component:
034000 service brakes, hydraulic:foundation components
Summary:
brake vibration damper application - new damping plate with steel clip. *tw
Bulletin:
GRP3/9503
Component:
102000 power train:manual transmission
Summary:
the front transmission case cover and spur gears are no longer available as separate parts. *tw
Bulletin:
0203
Component:
980000 unknown or other
Summary:
Exchange engines and transmissions for warranty. this bulletin replaces bulletin wty0203 dated 2-15-02. *tt
Bulletin:
PK-D8-16
Component:
980000 unknown or other
Summary:
Porsche: information on how to read the vin. *rm
Bulletin:
122-E7M2M-09
Component:
141100 air bags:frontal:sensor/control module
Summary:
Information: old airbag sensor no longer available. note: during repairs, the faulty airbag sensor will be replaced by a new electronic airbag sensor. the new airbag sensor is the same size as the airbag sensor that is installed as standa
Bulletin:
122-L5E2R-04
Component:
030000 service brakes, hydraulic
Summary:
Subject: replacing brake booster during repairs information: if the brake booster on the 911 carrera 2/targa/speedster (964) needs to be replaced, the replacment brake booster will be a 911 (993) version. during conversion, the brake mas

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