Mechanics

HOW DO I CHANGE THE HEATER CORE?

1995 Geo Prizm

The big o tires told me my heater core needs to be replaced which is why it doesn't blow ANY hot air but they said the car isn't worth the amount to replace it but I love me geo and don't wanna give it up HELP!
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Jaiceeleethompson
October 7, 2012.




With or without ac?

Roy

The ac works just fine

Tiny
Jaiceeleethompson
Oct 7, 2012.
Disarm airbag system as outlined under Airbag System Disarming. Refer to Air Bags and Seat Belts/Air Bags (Supplemental Restraint System)/Air Bag.
Disconnect battery ground cable.
Remove evaporator case assembly as outlined under Evaporator Core.
Drain cooling system into a suitable container.
Loosen and remove heater core hoses.
Remove heater core pipe grommet from vehicle.
Remove Instrument panel as outlined under Instrument Panel Pad/Cluster, Replace. Refer to Instrument Panel, Gauges and Warning Lamps.
Remove right and left instrument panel brace.
Remove left and center ventilation ducts.
Remove heater case from vehicle.
Remove two heater core brackets then slide the heater core from vehicle.
Reverse procedure to install, rearming airbag as outlined under Airbag System Arming. Refer to Air Bags and Seat Belts/Air Bags (Supplemental Restraint System)/Air Bag.

Not an easy job. Full dash removal.

Roy
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