Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2008 >> B4000 V6-4.0L >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Service and Repair >> Heater Control Unit Removal / Installation
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Heater Control Unit Removal / Installation

HEATER CONTROL UNIT REMOVAL / INSTALLATION

Heater Control Unit Removal/Installation:






1. Remove the audio unit. See AUDIO UNIT.
2. Remove the screws. Disengage the spring clips. Detach the instrument panel finish panel.






3. Disconnect the electrical connectors.






NOTE: The number and location of the electrical connectors will vary dependent on vehicle equipment.

5. Remove the screws and the climate control assembly.






6. Disconnect the climate control assembly.
- Disconnect the electrical connectors.
- Disconnect the vacuum harness connector.

NOTE: If installing a new climate control assembly, the function selector switch and the blower motor switch must be transferred from the old unit.

7. To install, reverse the removal procedure.
pro multis · About Operation CHARM