36756.1.0

Polestar
Service and Parts Business
Technical Journal
TITLE:
Electrical Motor (ERAD) Sound Information
REF NO:
ISSUING DEPARTMENT:
CAR MARKET:
TJ 36756.1.0
Technical Service
United States and Canada
PARTNER:
ISSUE DATE:
STATUS DATE:
3 US 7515 Polestar
2023-10-19
2023-10-26
FUNC GROUP:
FUNC DESC:
4632
Electrical rear axis drive
Page 1 of 2
Attachment
File Name
File Size
TJ 36756 1.wav
6.9368 MB
TJ 36756 2.wav
2.3109 MB
TJ 36756 2.wav
2.3109 MB
DESCRIPTION:
If a customer is concerned with the sound generated from the ERAD (Electrical Rear Axle Drive),
please follow the advice in “Service.”
CSC Customer Symptom Codes
Code
Description
8N
Driving/Unusual noise/Unsure when/at all times
F2
Driving/Unusual noise/During acceleration
ZE
Idling/Unusual noise
D2
Front/rear axle/Unusual noise
Produced and printed in the USA and available as an electronic document.
© Polestar 2023
Technical Journal 36756.1.0
Vehicle Type
Type
Eng
Eng
Desc
Plant
Chassis range
Struc Week
Range
534
ED
E400V6
2021-2023
19
-
201935-202316
534
EG
534
ET
E400V9
2022-2023
19
-
202101-202316
E400V35
2023-2023
19
-
202225-202316
534
FD
E400V26
2024-2024
19
-
202317-202346
534
FE
E400V20
2024-2024
19
-
202317-202340
534
FG
E400V37
2024-2024
19
-
202317-202339
Sales Body
Gear
Steer Model Year
SERVICE:
A whining sound noticeable during electric drive is considered normal.
Listen to the attached sound files as a reference. To hear the sound clearly, a headset or earphones
are recommended. This is considered to be a normal ERAD motor sound.
Note: The sound files (TJ 36756 1, 2, and 3) are recorded from the front seat at the head position.
If you are having difficulty determining if a customer’s vehicle is making an abnormal noise, please
submit a vehicle report. Include a video recording of the sound from the front seat at the head
position, also showing the speed and drive mode.
Warranty claim info:
No warranty claim will be accepted for this TJ since it is for information purposes only.
LABOR TIME:
Labor time subject to change without notice.
VEHICLE REPORT:
Yes, please submit a Vehicle Report if technical support is needed. Use the concern area “Vehicle
Report Polestar” and sub-concern area “Support Needed”, use function group 4632.
Page 2 of 2
2023-10-26