TechnicianVision · Knowledge base
Back-To-Basics: Vacuum Coolant Filler
I-CAR · February 14, 2025
Summary
This article highlights the importance of using a vacuum coolant filler to prevent airlocks, speed up the refilling process, and verify system integrity. It emphasizes that proper coolant filling is critical for electric vehicles (EVs) to prevent battery damage or fires, and notes that many OEMs require this tool alongside specific scan tool procedures.
What to do on the job
Use a vacuum coolant filler to refill cooling systems and verify they can maintain a vacuum, while referencing vehicle-specific procedures for required scan tools, capacities, and coolant types.
How to use it
Use this document to justify the necessity of using a vacuum coolant filler and any required scan tools during the coolant refilling process, especially on hybrid and electric vehicles where improper filling can lead to catastrophic battery failure.
This page is a summary written by TechnicianVision. The document itself belongs to its publisher — follow the link above to read it in full.
TechnicianVision puts procedures like this next to the repair order you are working on. Create a free account →