Having problems with your 2006 Chevrolet Aveo ?
How do replace the heater core? - 2006 Chevrolet Aveo
This job is very fragile and you can damage hard to get parts. I suggest letting a qualified shop do this job. If you insist, what you do is open the heater box and extract the core. Fairly tough job.
Repair Help & Product Troubleshooting for 2006 Chevrolet Aveo
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