November 19, 2021 NHTSA CAMPAIGN NUMBER: 21V911000
Upper Control Arm Not Tightened Properly
A loose control arm connection may fail, causing a loss of vehicle stability and increasing the risk of a crash.
NHTSA Campaign Number: 21V911
Manufacturer Porsche Cars North America, Inc.
Components SUSPENSION
Potential Number of Units Affected 35
Summary
Porsche Cars North America, Inc. (Porsche) is recalling certain 2020 Taycan vehicles. The front and rear upper control arm screw connections on the rear axle may be loose.
Remedy
Dealers will replace the screw connections, free of charge. Owner notification letters were expected to be mailed January 13, 2022. Owners may contact Porsche customer service at 1-800-767-7243. Porsche’s number for this recall is AMC3.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Check if your Porsche has a Recall
AMC3 Stop Use/Recall campaign – Rework screw connection on control arms of rear axle
Stop Use
The use of the affected Stop Use vehicles by the customer is not permitted until the remedial measure has been carried out.
Customers will be contacted immediately and advised to stop using their vehicles until the remedial measure has been carried out.
Affected vehicles may only be driven for loading and unloading within the transport chain.
Any further use is not permitted and test drives are not permitted.
A list of the 21 Stop Use vehicles is attached to this post.
Overview
On the affected vehicles, there is a possibility that the screw connection on upper control arms of the rear axle were not tightened to specification and could loosen. To remedy this issue, the subject vehicles are being recalled to replace the screws and install them according to specification. In addition, the chassis components will be checked for associated damage and replaced in the event of visible damage.
Please note:
- A total of 35 vehicles are affected by the campaign AMC3
- Based on production data, 21 of 35 customers will be contacted immediately to asked to stop driving their vehicles
- Please follow the procedure described in the “Stop Use” section above and implement the Stop Use immediately
Model type Taycan (Y1A)
Model year 2020 to 2021
Number 35
Porsche Mobility
If requested, the mobility of the affected customer can be guaranteed by offering a suitable replacement vehicle or by having the vehicle transported to the relevant Porsche Center
Please invoice this additional service with the campaign scope via WWS.
Parts required
Will be communicated at a later time.
Further information
Technical information and further instructions will be communicated at a later date.
This posting replaces the Pre-Information AMC3 post, which will be deleted.
AMC3 – Reworking Threaded Joints on the Rear Axle (Stop Use/Recall Campaign)
Model Line:
Taycan (Y1A)
Model Year:
As of 2020 up to 2021
Concerns:
Threaded connections on upper control arms of the rear axle
Information:
There is a possibility that threaded connections on the upper control arms of the rear axle were not installed according to specifications on the affected vehicles.
Therefore no guarantee that the affected threaded connections will remain sufficiently tight over the service life of the vehicle.
Action required: Replace threaded connections on control arm on rear axle.
Information
On vehicles that have already been delivered to customers, the components that are screwed together must also be checked for damage caused by relative movement while driving as fittings, contact surfaces or bores on the individual components may have been damaged.
Depending on the result of the check, the affected components may also have to be replaced.
Please note: All additional parts required to repair damage revealed by the test result are not part of this campaign and must be determined independently in the Porsche Electronic Parts Catalogue (PET). For warranty processing for these additional parts, see theTechnical Information ‘Warranty processing section’.
Affected Vehicles:
Only vehicles assigned to the campaign (see also PCSS Vehicle Information).
Chronology :
In early November, 2021 Porsche was informed that certain screw connections on the upper control arms (front and rear) on the rear axle were potentially not installed according to the specifications. Porsche immediately began an investigation into potential consequences of this issue and in parallel studied production records to help identify potentially affected vehicles.
On November 15, 2021, Porsche decided to recall the subject vehicles to remedy this issue.
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
| PORSCHE | TAYCAN | 2020 |
12 Associated Documents
Recall Acknowledgement
RCAK-21V911-5568.pdf 645.396KB
RCAK-21V911-5568
Defect Notice 573 Report
RCLRPT-21V911-5119.PDF 213.587KB
RCLRPT-21V911-5119
Remedy Instructions and TSB
RCRIT-21V911-7007.pdf 469.588KB
ISSUED Owner Notification Letter(Part 577)
RCONL-21V911-8580.pdf 179.891KB
RCONL-21V911-8580
Part 577 Owner Notification Envelope
RONE-21V911-7403.pdf 138.354KB
RONE-21V911-7403
Manufacturer Notices(to Dealers,etc) – Pre-Information: AMC3 Stop Use / Recall Campaign – Rework screw connection on control arms of rear axle
RCMN-21V911-2836.pdf 128.232KB
RCMN-21V911-2836
Manufacturer Notices(to Dealers,etc) – AMC3 Stop Use / Recall Campaign – Rework screw connection on control arms of rear axle
RCMN-21V911-2488.pdf 128.725KB
RCMN-21V911-2488
Recall 573 Report-Amendment 1
RCLRPT-21V911-6069.PDF 213.686KB
Recall 573 Report: November 29, 2021
RCLRPT-21V911-3732.PDF 213.686KB
RCLRPT-21V911-3732
Recall Quarterly Report #1, 2022-1
RCLQRT-21V911-3352.PDF 211.142KB
RCLQRT-21V911-3352
Recall Quarterly Report #2, 2022-2
RCLQRT-21V911-3296.PDF 211.239KB
RCLQRT-21V911-3296
Recall Quarterly Report #3, 2022-3
RCLQRT-21V911-6001.PDF 211.321KB
RCLQRT-21V911-6001
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V911&docType=RCL
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