When the hoses get older they can crack or develop holes which cause the hoses to leak coolant.
Audi a4 b6 heater core leak.
It really is a bother when the temperature drops and you turn your heater on only for it to spew out the cold winter breeze.
If your car is running too hot and there is the proper amount of coolant in the car and it is not leaking or your car is taking a long time to warm up there is a very good chance your thermostat is bad and needs to be replaced.
B6 a4 operating temperature but heater core flow cold duration.
The audi a4 uses an inline four cylinder turbocharged engine as a power plant.
The radiator and heater hoses.
Followup from the pelican staff.
Or even in the hot summer where it seems like your vents have small volcanoes in them.
Cleaning heater core and bleeding 98 audi a4 b5 aeb 1 8t quattro.
Hoses carry the coolant from the engine and heater core to the radiator.
Heater core information coolant leak bypass.
One of the drawbacks to horsepower and having the engine located in a smaller car is heat.
Nick at pelican.
However if it deteriorates the cooling system will lose its pressure which can cause a leak.
Good luck determining whether or not your a4 s heater core is bad.
Bad heater core causes.
Remove the heater hoses and run water through it.
Audi a4 bad heater core.
A leaking heater core is going to be caused by a crack that leaks coolant out or it s going to be clogged.
This article applies to the audi a6 a4 a3 and q5 q7 2004 2010.
It should be sealed to maintain pressure for the cooling system.
Audi a4 1 8t b6 2002 2008 technical articles audi a4 thermostat replacement pelican technical article.
October 27 2018.
When it is clogged it doesn t have a leak but it also won t pass coolant and provide heat to the cabin.