Chevrolet Volt A/C evaporator leaking issue required dash removal for replacement on Chevrolet Volt

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Chevrolet Volt owners report experiencing A/C evaporator leaking issues that require dashboard removal for replacement. These leaks can significantly affect the A/C system's performance, leading to reduced cooling efficiency due to refrigerant loss. Additionally, owners may face costs around $350 for replacing components like the coolant bypass valve, which typically needs replacement around 80,000 miles. Many owners find that opting for professional assistance is advisable to avoid potential damage during DIY repairs and to ensure proper evacuation and filling of refrigerant. The A/C system's reliance on specific components, such as the HV compressor and POE, often necessitates specialized tools and expertise for effective maintenance and repair. Furthermore, issues like a stuck shut-off valve and a dirty pollen filter can exacerbate A/C problems in the Chevy Volt, highlighting the importance of thorough diagnosis and repair by qualified professionals.

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