Want this question answered?
The heater matrix can be replaced by removing the heater core and temperature control cables. Replace the heater core and the control cables.
removing the heater core and temperature control cables
I believe the right lever by the shifter controls the heat. Make sure the tubes coming from the "doghouse" are there and not crushed. Make sure they go under also. Make sure the heater cables aren't broken. Look at the heater boxes and make sure the cables are moving the levers all the way. If the previous owner put J-tubes on you can't get heat now. They replace the heater boxes.
You can replace the balls in the heater control panel on an XS ARA Picasso by removing the front cover of the heater control panel. The panel lights will then be visible.
Remove the heater control valve and replace it.
Detach the negative battery cable. Remove the bezel to get access to the control head and remove its screws. Remove the control panel. Pry the clips free. Disconnect cables from the heater. Install the new control panel.
i need to replace the temperature control light bulb on my 2004 silverado.
how hard is it to replace the blending door
you can't replace the lights they are built in to the control head.you must replace the entire hvac control
The heater door control on a Blazer can be replaced by purchasing a new one. The heater vent will pop out with a little nudge from a flat tipped screw driver. Then insert the new heater vent door control.
Low coolant? Thermostat not opening? Plugged or restricted heater core? Heater core airbound? Heater valve control cable detached or broken?
the nuts holding the heater core box is in the engine compartment. the wheelwell needs to be removed to access the nuts. once all the nuts are removed, remove the heater hoses from the firewall and then wiggle out the heater box, but be careful of the cables and wiring. lower the box and remove the cables from the levers and the wiring from the heater resistor pack. remove heater core and reinstall