Mazda CX-5 Service & Repair Manual: Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
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If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
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If there is any bending, use the end of a flathead screwdriver to straighten the fins.
3. Visually inspect the heater hose for deformation.
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Repair with pliers if there is deformation. If there is any malfunction, replace the heater core.
Heater Core
Purpose
The heater core heats passing air.
Function
A portion of the engine coolant is taken into the heater core to heat the
air passing through the heater core.
Co ...
Heater Hose Removal/Installation
With Water Temperature Sensor
1. Remove the battery..
2. Drain the engine coolant..
3. Remove the insulator.
4. Remove the clips and remove the heater hose.
5. Remove the heat ...
Other materials:
Air Intake Control [Full Auto Air Conditioner]
Purpose
The air intake control switches the air intake port (FRESH/REC) according
to the vehicle environment.
Function
The air intake control drives the air intake actuator and switches the air
intake door position according to the operations of the REC, FRESH and defroster ...
Expansion Valve
Purpose
The expansion valve atomizes liquid refrigerant to facilitate cooling of
the evaporator.
Function
The expansion valve reduces the pressure of liquid refrigerant rapidly to
facilitate vaporization of the atomized refrigerant at the evaporator, and adjusts
the refr ...
Air Bag System Warning Light [Two Step Deployment Control System]
Purpose
The air bag system warning light notifies the driver of a malfunction in
the SRS air bag system.
Function
If a malfunction occurs in the SRS air bag system, the air bag system warning
light illuminates or flashes.
Construction
LEDs (light-emitting d ...
