How does coolant get to the heater core?
Hot radiator fluid goes into the core, the heater fan blows through it, heat is transferred to the cooler air, and heat is transferred into the cabin. The input is radiator fluid directly from the engine and output from the core goes directly back into the engine. It is moved through via the water pump on the engine.
Does antifreeze run through the heater core?
Coolant/antifreeze contains corrosion inhibitors that coat the surfaces inside the cooling system, including the heater core. When the corrosion inhibitors are depleted, the cooling system can become corroded, filled with contaminants and may even start to leak.
Is the Passat TDI se a failed heater core?
No longer own one. I have the dreaded failed heater core (2014 Passat TDI SE). In addition, it caused a P2457 EGR inefficient code as well as the core supplies coolant to the EGR cooler. Couple of questions:
Why is my 2014 Passat TDI not working?
When circulate hot water through core I get heat 2014 Passat TDI heating issue. Flushed heater core which has… I have a 1.8 vw t4 eurovan cv westfalia, Canadian model. The Hi, I have a 1.8 vw t4 eurovan cv westfalia, Canadian model. The topage keeps climbing … read more Vocational, Technical or Tra… Heater not working.
When to change the coolant system on a VW?
The cooling system is one of the most important areas to pay attention to during water pump, thermostat and timing belt replacement. To ensure that your new VW timing belt components and water pump last until the next 75,000-mile change interval, it’s important to re-create the engine’s condition as it was when it left the factory.
Is the VW Passat V6 foot heater OK?
2000 VW Passat V6 foot heater is freezing cold air, dash heat is OK. Sometimes the backlight goes out. I haven’t had the coolant flushed. I can’t take it anymore because I live in Minnesota where it’s … read more