How do I know if my heater core is plugged?
Heater core failure symptoms
- Weak or no airflow.
- Cold air (not warm) coming through the vents when the heater is on.
- Coolant leakage visible inside the cabin or a damp smell.
Which heater core hose is the inlet?
The inlet hose for your heating system is the hose that goes to the water pump area. The other hose is the outlet. These flush kits will actually work on either one though as it does go through the entire cooling system.
Which hose is the inlet?
How can you tell if your heater core is clogged?
What should the temp of a Passat heater be?
The factory rep visited the dealer and advised to perform multiple coolant flushes. After several flushes, the new heater core got clogged. They ordered and installed a new core and flushed some more. So after several days, the heat is now working, they claimed getting readings of 160-180 degrees at the vents.
Which is the inlet and outlet on the heater core?
If I’m in front of the car facing the firewall which nipple on the heater core is the inlet and outlet, would like to flush out heater core , but before I hook up hoses I don’t want to flush it on the inlet side , don’t want to compact more stuff into core, want to back flush it first a few times right hose: inlet. left hose: outlet.
Where is the heater core located on a car?
Locate the heater core on the vehicle’s firewall. The heater core inlet and outlet pipes are usually located on the firewall separating the engine from the cabin of the vehicle. Its location will vary from vehicle to vehicle so if you have difficulty locating the inlet and outlet hoses, refer to the service manual for your specific vehicle.
Why is my new Passat heater not working?
It may not be the filter is clogged but the filter access pannel may not be fully seater when you changed it out last time The factory rep visited the dealer and advised to perform multiple coolant flushes. After several flushes, the new heater core got clogged. They ordered and installed a new core and flushed some more.
