Heater not working

TAXIDRIVER42

MEMBER
2007 SKODA OCTAVIA
217,000 MILES

My skoda octavia 1.9 tdi having problems with heater when temp up to normal when driving it blowing out cold air but if you start it up from cold and rev it till it at normal temp it blowing out hot air but as soon as you start moving it starts blowing out cold air have tried new waterpump thermostat cooling fan switch also no oil in the water and their no water coming out exhaust when you start up first thing

2 Replies

DRCRANKNWRENCH

MECHANIC
3,380 POSTS

You may have some air in the cooling system. To bleed the system take the radiator cap off and turn the heat temperature all the way hot. Then start the car and let it get to operating temperature and then top off the coolant in the radiator and the reservoir. Then replace the cap and take for a test drive. If this does not work jack up the car in the rear while the heater and engine run.

https://www.2carpros.com/articles/jack-up-and-lift-your-car-safely

This will help get he air out of the heater core.

So I am giving you a walk through diagnostic on heater problems. just use the link below to get to the diagnostic;

https://www.2carpros.com/articles/car-heater-not-working

Please run down these guides and report back.

Heater not working

2 Replies

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