{"nhtsa_id":10145566,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-15","date":"2018-09-26","document_id":"122-X3H4Z-10","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); ENGINE","mfr_system":null,"summary":"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145566-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10145566-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10145566","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"transfer-case","name":"Transfer case","parent":"powertrain"}],"codes":[],"topics":[],"vehicles":[{"make":"PORSCHE","model":"CAYENNE","year_from":2012,"year_to":2017,"match":"exact","vehicle_ids":["2012_porsche_cayenne","2013_porsche_cayenne","2014_porsche_cayenne","2015_porsche_cayenne","2016_porsche_cayenne","2017_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE (E2)","year_from":2011,"year_to":2011,"match":"base","vehicle_ids":["2011_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE S","year_from":2011,"year_to":2012,"match":"base","vehicle_ids":["2011_porsche_cayenne","2012_porsche_cayenne"]},{"make":"PORSCHE","model":"CAYENNE TURBO","year_from":2011,"year_to":2012,"match":"base","vehicle_ids":["2011_porsche_cayenne","2012_porsche_cayenne"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}