# Service bulletin TI\-91\-11

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10043470
- Published by NHTSA: 2012\-04\-04
- Manufacturer's number: TI\-91\-11
- Manufacturer's date: 2012\-02\-15
- NHTSA component: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\)

## NHTSA's summary

PORSCHE: THE TRANSFER CASE CAN CAUSE VIBRATIONS WHILE DRIVING DUE TO THE POSSIBLE INSTALLATION OF DEFECTIVE CLUTCH BASKETS. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Transmission and driveline, Transfer case

## Vehicles listed

- 2011 PORSCHE CAYENNE
- 2011 PORSCHE CAYENNE S
- 2011 PORSCHE CAYENNE TURBO

## Other bulletins for the same vehicles and component

- [122\-X3H4Z\-10](/bulletins/10145566.md), 2018-10-15, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); ENGINE. Cause: Clicking noises can come from around the transfer case when manoeuvring the vehicle \(or driving slowly\) due to activation of the transfer case servo motor. Remedial action: Before doing any other work, the symptommust be simulated using a test procedure. \(Opening the door windows can be helpful when evaluating noises\). 1 Conditions for the first test procedure: ? Activate the Start/Stop function and ? deactivate all sources of noise in the vehicle \(Entertainment, ventilation, etc.\). ? A multi\-storey parking garage can be useful for acoustic reverberation. ? Onastraight stretch ? fromspeeds less than 10mph \(20 km/h\) ? brake the vehicle to a standstill. ? The best way of finding the clicking noise is by driving slowly and then stopping the vehicle.
- [122\-M3B5L\-03](/bulletins/10130118.md), 2018-03-13, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). Cause: Clicking noises can come from around the transfer case when manoeuvring the vehicle \(or driving slowly\) due to activation of the transfer case servo motor. Remedial action: Before doing any other work, the symptommust be simulated using a test procedure. \(Opening the door windows can be helpful when evaluating noises\). 1 Conditions for the first test procedure: ? Activate the Start/Stop function and ? deactivate all sources of noise in the vehicle \(Entertainment, ventilation, etc.\). ? A multi\-storey car park can be useful for acoustic reverberation. ? Onastraight stretch ? fromspeeds less than 10mph \(20 km/h\) ? brake the vehicle to a standstill. ? The best way of finding the clicking noise is by driving slowly and then stopping the vehicle.
- [122\-S7G6B\-06](/bulletins/10109299.md), 2017-08-01, Service bulletin: POWER TRAIN; POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). Concerns: Transfer case Information: This is to inform you of a voluntary Workshop Campaign on certain 2011 model year Cayenne S and Cayenne Turbo vehicles. There is the possibility that transfer cases with defective clutch baskets may have been installed on the affected vehicles. As a result, the transfer case can cause vibrations that are unacceptable for the customer while driving. To remedy the situation, replace the transfer case
- [122\-U4Y2A\-06](/bulletins/10109298.md), 2017-08-01, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\); POWER TRAIN. Concerns: Transfer case Information: This is to inform you of a voluntary Workshop Campaign on certain 2011 model year Cayenne S and Cayenne Turbo vehicles. There is the possibility that transfer cases with defective clutch baskets may have been installed on the affected vehicles. As a result, the transfer case can cause vibrations that are unacceptable for the customer while driving. To remedy the situation, replace the transfer case
- [122\-H7R4M\-06](/bulletins/10109297.md), 2017-08-01, Service bulletin: POWER TRAIN; POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). Concerns: Transfer case Information: This is to inform you of a voluntary Workshop Campaign on certain 2011 model year Cayenne S and Cayenne Turbo vehicles. There is the possibility that transfer cases with defective clutch baskets may have been installed on the affected vehicles. As a result, the transfer case can cause vibrations that are unacceptable for the customer while driving. To remedy the situation, replace the transfer case
- [66\-11](/bulletins/10043969.md), 2012-05-03, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). PORSCHE: MISSING OFFSET AND GRADIENT VALUES ON THE TRANSFER CASE \(WITH THE ALL\-WHEEL DRIVE CONTROL UNIT\), THE OFFSET AND GRADIENT VALUES MUST BE WRITTEN INTO THE NEW ALL\-WHEEL DRIVE CONTROL UNIT. \*JS
- [TIS\-91\-11\-B](/bulletins/10043475.md), 2012-04-04, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). PORSCHE: TRANSFER CASE HAS VIBRATIONS WHILE DRIVING, DUE TO DEFECTIVE CLUTCH BASKETS BEING INSTALLED. \*PE UPDATED 7/31/12. \*PE
- [TIS\-911\-43](/bulletins/10043473.md), 2012-04-04, Service bulletin: POWER TRAIN:TRANSFER CASE \(4\-WHEEL DRIVE\). PORSCHE: TRANSFER CASE CAN VIBRATE DUE TO DEFECTIVE CLUTCH BASKETS INSTALLED.. \*PE

JSON: [/v1/bulletins/10043470](/v1/bulletins/10043470)

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