Parts for your 2017 Mazda Cx-5-Heater tap

Heater Tap and Its Relevance to the 2017 Mazda CX-5

When it comes to the 2017 Mazda CX-5, you might hear the term heater tap thrown around and wonder whether this vehicle actually uses one. The short answer is that the 2017 Mazda CX-5 does not use a traditional heater tap as part of its heating system, and there are solid reasons for this.

A heater tap is essentially a valve that controls the flow of hot coolant to the heater core. This valve lets the system regulate how much heat reaches the cabin by restricting or allowing coolant through. Some older vehicles, or certain automotive designs, use heater taps to manually control the interior temperature or to shut off heating altogether. However, modern cars like the Mazda CX-5 have moved away from heater taps in favour of more sophisticated and reliable systems.

In the 2017 Mazda CX-5, the heating and cooling functions are controlled by sophisticated electronic climate control units which rely on a heater control valve rather than the traditional heater tap valve. This means the system can precisely control the temperature inside the cabin using blend doors inside the heater box, which adjust how much warm air and cool air gets mixed to the desired temperature. The heater control valve works electronically, modulating the flow of coolant to the heater core as needed, rather than simply turning the flow on or off like a heater tap might.

Why is there no heater tap in this vehicle? The answer comes down to modern convenience, efficiency, and reliability. Heater taps can be prone to sticking, leaking or failing due to their older mechanical design. Electronic climate control systems paired with heater control valves offer seamless temperature adjustment without the need for manual intervention or crude on/off valves. This system also supports features such as dual-zone climate control, which you won't achieve with simple heater taps.

To maintain the heating system in a 2017 Mazda CX-5, it's more relevant to pay attention to the coolant condition, the heater control valve, and the entire climate control system during routine servicing. Keeping the coolant fresh and topped up helps ensure the heater core gets the hot coolant it needs to warm the cabin efficiently. Also, ensuring heater hoses and connections are not blocked or leaking helps prevent heating issues.

In the rare event the heater control valve has problems, it's not quite the same as changing a heater tap. The heater control valve is typically an electronically controlled component and requires more specialised diagnostics and replacement procedures. This means if you suspect issues with your 2017 Mazda CX-5's heating system, it's best left to professional mechanics or authorised Mazda service centres, who have the right tools to diagnose and replace the heater control valve correctly.

Rather than focusing on heater tap servicing or replacement, Mazda CX-5 owners should stick to regular coolant inspection and replacement intervals according to the manufacturer's schedule. Mazda typically recommends coolant changes every five years or so, but that can depend on your climate and driving conditions. Fresh coolant prevents corrosion and blockages inside your heater core and engine cooling system, which protects heating performance and longevity.

In conclusion for CX-5 owners, heater taps are simply not part of the design. The focus should be on general heating system maintenance involving coolant, hoses, the heater core, and the heater control valve. This modern setup provides a more comfortable and controllable interior temperature than old-school heater taps ever could, without the issues that come with mechanical valves.