Cadillac Elr 2011–2016 — technical service bulletin
Bulletin PIP4859E · NHTSA communication 10156904 · issued Mar 1, 2019
Technical service bulletin
communication type
Electrical System
component
2011–2016
model years
11
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician on the steps to vacuum fill to ensure the cooling system is properly filled. Technician will need to use special tool GE-47716 Vac-N-Fill Coolant Refill Tool. Technician will also perform Hybrid/EV Battery Pack Coolant Pump Bleed Procedure in the GDS2 tool. After performing the GDS2 coolant bleed procedure drive vehicle for approximately 5 miles in a slalom type of situation to purge any remaining air from battery pack cooling plates.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.