Heater completely stopped working but the blower motor was still good?

JWISE19

MEMBER
2005 CHEVROLET TRAILBLAZER
4.3L
V6
4WD
AUTOMATIC
160,000 MILES

My heat had completely stopped working but the blower motor was still good. So, I was trying to check the Climate Control Module, and I ended up breaking the passenger side temperature control "knob". It's actually like a little lever that slides up and down. But anyway, now the driver's side I can make hot or cold but the passenger side stays freezing cold all the time. And I've actually broken the plastic piece on the inside that the little temperature lever thing slid up and down on. And that control module costs a couple hundred dollars which with it being the holidays.I don't really have that much to spare right now. Is there any other way that I can make the passenger side temperature hot or just completely shut all air off from going to the passenger side?

1 Reply

KEN L

MASTER CERTIFIED MECHANIC
48,323 POSTS

Yep, you can get a replacement HVAC control from eBay for cheap or you can remove the passenger side actuator and remove the cover to spin the gears, so it moves the blend door to the warm position and then put it back together without plugging it back in. Here is the location of the actuator so you can make it happen. Check out the images (below). Let us know if you need anything else.

Image (Click to make bigger)