Parts for your 2017 Subaru Xv-Heater tap

Heater Tap on the 2017 Subaru XV: Is It Used and What You Need to Know

When it comes to the 2017 Subaru XV, understanding the heating system and the parts involved is important, especially if you are a car enthusiast or someone who likes to keep their vehicle in tip-top condition. One common question that pops up is whether a heater tap is used in the heating system of this particular model. After digging through technical service manuals and Subaru's engineering design for the 2017 Subaru XV, it turns out that this vehicle does not actually use a heater tap.

So, what exactly is a heater tap, and why isn't it relevant to the 2017 Subaru XV? The heater tap is essentially a small valve that regulates the flow of hot coolant from the engine to the heater core inside the cabin. It was traditionally used in older vehicles to control the interior heating by either allowing or stopping coolant flow to the heater core. By opening or closing the heater tap, the driver could adjust whether warm air was blown into the cabin or not.

In modern vehicles like the 2017 Subaru XV, the heating system design has largely moved away from using a heater tap. Instead of stopping or starting hot coolant flow with a valve, modern climate control systems rely on blend doors and electric actuators. These components control the mix of hot and cold air within the heater box rather than turning coolant flow on or off. So, the coolant is continuously flowing through the heater core as long as the engine is warm and running, and temperature control happens inside the HVAC (Heating, Ventilation, and Air Conditioning) unit by managing air flow paths.

This design brings a number of benefits. Since coolant flow is constant, issues like heater core blockage and corrosion related to repeatedly stopping flow are minimised. Plus, electronic controls allow for more precise temperature adjustments and automatic climate control features, which the 2017 Subaru XV offers. From a maintenance perspective, it also reduces the number of mechanical parts that can fail. The heater tap, being a manual or simple mechanical valve, could sometimes stick or leak, causing heating problems. Removing it from the system reduces these potential points of failure and enhances overall reliability.

For Subaru XV owners, this means that they won't find a heater tap under the bonnet or in their service manual lists for this model. If the heater stops blowing warm air or the temperature control isn't working as expected, issues are more likely to stem from a leaking heater core, a stuck blend door actuator, thermostat problems, or coolant system issues rather than a faulty heater tap.

Given that the 2017 Subaru XV doesn't use a heater tap, owners can focus their attention on other parts of the heating and cooling system when it comes to maintenance and servicing. Keeping the coolant fresh, making sure the thermostat works correctly, checking the blower motor and blend door actuators, and ensuring the heater core is flowing freely are the biggest priorities.

On the flip side, if you're servicing a vehicle that does have a heater tap, such as certain older models or some commercial vehicles, it's a different story. In those cases, heater tap maintenance can play a crucial role in maintaining proper cabin heating. These valves can wear out, become clogged, or start leaking coolant, affecting heating performance and sometimes potentially causing coolant loss inside the cabin area.

Overall, skipping the heater tap on newer cars like the Subaru XV is part of a broader evolution in automotive heating system design that leans towards more reliability, improved comfort, and easier maintenance.