View Full Version : heater core

09-17-09, 01:14 PM
just a question - what are the steps in changing the heater core in a 01 catera? it's starting to get cold in the mornings so i figure i should get it done soon.

11-23-09, 05:13 PM
Does anyone have the steps for this? I need to change mine too. Its leakin. Do you have to remove the dash?

12-08-09, 08:13 PM
I am watching this thread I need to check the doors that bypass it,I don't have any heat unless I turn off the control and turn it back on(heat for 15 seconds ) I changed the control now I here the gears trying to open or close the door :thumbsup: