No. 72-17
Service Bulletin Details
Public Details for: No. 72-17
Instructions for reworking the fan motor in the event that the hvac does not function.
- 2021 - 2020 - 2019 - 2018 - 2017 - 2016 - 2015 - 2014 - 2013 - 2012 -
Models from 2021
| 2021 PORSCHE BOXSTER |
| 2021 PORSCHE CAYMAN |
Models from 2020
| 2020 PORSCHE BOXSTER |
| 2020 PORSCHE CAYMAN |
Models from 2019
| 2019 PORSCHE 911 |
Models from 2018
| 2018 PORSCHE 911 |
Models from 2017
| 2017 PORSCHE 911 |
| 2017 PORSCHE BOXSTER |
Models from 2016
| 2016 PORSCHE 911 |
| 2016 PORSCHE BOXSTER |
| 2016 PORSCHE CAYMAN |
Models from 2015
| 2015 PORSCHE 911 |
| 2015 PORSCHE BOXSTER |
| 2015 PORSCHE CAYMAN |
Models from 2014
| 2014 PORSCHE 911 |
| 2014 PORSCHE BOXSTER |
| 2014 PORSCHE CAYMAN |
Models from 2013
| 2013 PORSCHE 911 |
| 2013 PORSCHE BOXSTER |
| 2013 PORSCHE CAYMAN |
Models from 2012
| 2012 PORSCHE 911 |
| 2012 PORSCHE BOXSTER |
| 2012 PORSCHE CAYMAN |
Symptom-based workshop manual Service 72/17 ENU 8530 8 Symptom in Vehicle Interior - Heating/Ventilation Fan Does Not Function: Reworking Fan Motor (SY 72/17) Revision: This bulletin replaces bulletin Group 8 72/17, dated July 20, 2017. Model Year: As of 2012 up to 2021 Model Line: 911 (991) Boxster (981/982) Cayman (981/982) Subject: Fan motor for ventilation Symptom: The fresh-air fan for the heating/ventilation does not function. Cause: If the air humidity is high, the fan motor may no longer start up automatically because of deposits if the vehicle has been parked up for several days. A higher starting torque is required. Remedial Action: Break the fan wheel loose manually and then leave the fan motor running at maximum speed for several minutes. Tools: • • Work Procedure: 1 9900 - PIWIS Tester 3 with test software version 35.600 (or higher) installed Battery charger with a current rating of at least 90 A. We recommend VAS 5908 battery charger 90A, for example Preliminary work: 1.1 Connect a battery charger with a current rating of at least 90 A. 1.2 Switch on the ignition using the original driver's key. On vehicles with “Porsche Entry & Drive”, do this by replacing the control unit in the ignition lock with the original driver's key if necessary. 1.3 9900 - PIWIS Tester 3 with software version 35.600 (or higher) installed must be connected to the vehicle communication module (VCI) via the USB cable. Then, connect the communication module to the vehicle and switch on the PIWIS Tester. 1.4 On the PIWIS Tester start screen, call up the 'Diagnostics' menu. The diagnostic application is then started and the control unit selection screen is populated. 2 Move fan wheel for fresh-air fan manually: AfterSales Jan 8, 2021 Page 1 of 3 8 Service 8530 ENU 3 2.1 Lift up cover on air intake pre-filter ( Loosening cover on air intake pre-filter -item 1-) until you can reach the fan wheel with your hand, see also Workshop Manual '850819 Removing and installing air intake pre-filter'. 2.2 Move fan wheel for fan motor manually. If the fan wheel is stuck, break it loose with your hand. 2.3 Re-install cover on air intake pre-filter, see also Workshop Manual '850819 Removing and installing air intake pre-filter'. Loosening cover on air intake pre-filter Activate "Fresh-air fan" drive link manually: Menu • Control unit/Function Control units ’Overview’ 3.2 Follow instructions: Action Instructions/information or 3.1 • • confirm/execute Result/consequence of action • Air conditioning select Create Vehicle Analysis Log (VAL) if necessary and carry out any campaigns that are available for the vehicle. •F12“ •Yes“/•No“/ •F12“ 3.3 'Drive links checks' Heating/ventilation select •F12“ 3.4 'Drive links checks' Activation: fresh-air fan select •F12“ 3.5 In the ‘Activation time’ row: Enter the value 200 s In the ‘Activation value’ row: The value 100 % 3.6 3.7 4 Jan 8, 2021 Page 2 of 3 Symptom-based workshop manual 72/17 Start 'Fresh-air fan' activation: Execute Subsequent work: 4.1 Read out and erase all fault memories. 4.2 Switch off the ignition. 4.3 Disconnect the PIWIS Tester from the vehicle. AfterSales must not be changed •F8“ Service Symptom-based workshop manual Invoicing: 72/17 ENU 8530 8 4.4 For vehicles with Porsche "Entry & Drive", replace the original vehicle key in the ignition lock with the control panel again. 4.5 Switch off and disconnect the battery charger. The work involved is invoiced under the labor operation: APOS Labor operation 85304900 Reworking fan motor I No. For invoicing and documentation using PQIS, enter the following coding: Location (FES5) 85300 Fan motor Damage type (SA4) 1712 Catches/gets stuck References: Workshop Manual '850819 Removing and installing air intake pre-filter' Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed. © 2021 Porsche Cars North America, Inc. AfterSales Jan 8, 2021 Page 3 of 3