Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Information

Perform a visual inspection of the drive motor battery cooling system reservoir fluid level BEFORE completing the service repairs in this bulletin.





- If the coolant level of the drive motor cooling system reservoir is below the seam of the reservoir (1), perform leak inspection diagnostics BEFORE proceeding to the service repair in this bulletin. Refer to SI for the appropriate leak inspection diagnostic information. Submit a warranty claim for leak inspection diagnostics and service repairs. After completing the inspection and repairs, proceed to the service repairs in this bulletin.

- If the drive motor cooling system reservoir is NOT below the seam of the reservoir (1), proceed to the service repairs in this bulletin.

Note
The service repairs in this bulletin must be performed at a GM dealership that is authorized to perform Volt repair work. Only Volt certified technicians are to perform the repairs in this bulletin.