Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Overview - Heater And A/C Unit: Notes
There are different versions and various manufacturers of the heater and A/C units. Individual components of the different heater and A/C units are similar but not the same. Interchanging components from different manufacturers is not permitted. Refer to the Parts Information.
A heater and A/C unit manufactured by "Valeo" is shown in the following illustrations. For distinguishing characteristics between manufacturers. Refer to HEATER AND A/C UNIT IDENTIFICATION .
Heater and A/C unit assembly overview, left side door control. Refer to Overview - Heater and A/C Unit, Left Side Door Control .
Heater and A/C unit assembly overview, right side door control. Refer to Overview - Heater and A/C Unit, Right Side Door Control .
Overview - Heater and A/C Unit, Heater Core, "Valeo" Auxiliary Heater Heating Element. Refer to Overview - Heater and A/C Unit, Heater Core, Auxiliary Heater Heating Element .
Overview - Heater and A/C Unit, Heater Core, "Denso" Auxiliary Heater Heating Element. Refer to Overview - Heater and A/C Unit, Heater Core, Auxiliary Heater Heating Element .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.