Transfer Case Repair by Model » PL72 ATC
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 Affected Vehicles: The VIN(s) can be checked by using PIWIS Vehicle Information link to verify if the campaign affects the vehicle. This Campaign is scope specific to the VIN! Failure to verify in PIWIS...
Noise Symptom/Jerking - Clicking Noise/Rough-Running Engine/Jerking Under Load With Respect to Transfer Case: Programming all-wheel drive control unit/checking transfer case (SY 84/17) Information Currently, a high percentage of warranty returned transfer cases are evaluated as "OK" during testing by the supplier. For this reason, the two previous symptom-based repair instructions are being replaced by these symptom-based repair instructions: 1. => "Eliminating noise symptoms - Re-programming control unit for all-wheel drive (Creaking noise from around the transfer case/SY0416) – => only relevant for vehicles from model year 2015 to 2016 and 2. => "Eliminating symptoms - Engine: Replacing transfer case (Rough-running engine, vehicle...
Symptom The warning message "Fault All-wheel drive system" is displayed in the instrument cluster. Fault codes can be stored in the fault memory of the all-wheel drive control unit. Causes and remedial action Cause Due to incorrect sealing of the electric plug connection on the transfer case servo motor, moisture can get into the connector. As a result, the contacts can become corroded. Model Year: As of 2011 up to 2017 Remedial Action In the event of a customer complaint, check the plug connection on the servo motor and the servo motor itself for damage: If the electric plug connection...
Missing Offset and Gradient Values on the Transfer Case Information Missing offset and gradient values on the transfer case When you replace the all-wheel drive control unit or the transfer case (with the all-wheel drive control unit), the offset and gradient values (referred to below as classification data) must be written into the new all-wheel drive control unit. The absence of classification data in the all-wheel drive control unit will result in poor vehicle driveability. Since the classification data always relates to and is matched to the transfer gear, it is engraved on the transfer case; ⇒ Figure 1 shows...
We have chosen to gather photo and video testimonials featuring individuals, including our clients and others, who have successfully undertaken the repair of the PL72 ATC transfer case independently. Our goal is to offer valuable insights to those undertaking similar restoration projects, steering them away from common mistakes. If you have any questions about the repair process, feel free to seek advice on forums or share your own experiences. Furthermore, expressing gratitude to contributors in those forums is a considerate gesture. Transfer case teardown pictures @ rennlist.com PL72 ATC Rebuild Video Manual @ YouTube.com Be sure to bookmark the diagram...
