Heater core may become plugged and cause heater problems on Chevrolet Lumina

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

The heater core in this vehicle is known to get plugged, which prevents the coolant from flowing freely, causing problems with the heater.

3 people reported this problem

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Chevrolet Lumina vehicles with this problem

1 model year affected

1999 Chevrolet Lumina

Repairs related to this problem

Heater Core Replacement

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