2000 Buick Lesabre Heater Core Replacement. First and easiest to check is for a plugged heater core, with engine warm and running locate both heater hoses going in to heater core (rear of engine going in firewall) touch each one, if one is hot and one cold you have a plugged heater core, which is usually cured by back flushing the heater core and cooling system. Remove the kick panel from the vehicle.
Tighten tighten the screw to 1.4 n.m (12 lb in). 2000 buick lesabre heater core change vehicle review fitment notes. While we can’t attach a diagram or schematic to our platform, you might want to click this link to review an image.