Question about 1993 Peugeot 306 D-Turbo

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My heat fan only blows cold air. I m experiencing a problem with my car. I resently had to change my exhaust system, and hav done so successfully. I discovered a leak in my cooling system ( in the radiator), and hav now fixed the leak with some radiator fixing fluid. I thought I had fixed the problem, filled it up with only water, no coolant. Just to see if the leak got fixed. After it stop leaking, Ive filled on coolant aswell. Ive also tried to air out the system by opening the the valve at the intake in the firewall just before it goes through to the dash( if this is what its called). Still I cannot get hot air inside of the car. I can feel that one of the hoses gion in or out (most likely in) is hot, but no heat in the hose going out. When I drain from the valve it gets hot, but after a while it gest cold again. Now Im left with noe clue on what to do next? Ive just spent like 6000 NOK, about 500 GBP to get our car running again, but as winter has come here now I cant drive the car because it wont defrost/ demist the windows due to no hot air, and I think it will be hassardous to drive and not having hot air in the winter in Norway. The temp. gauge is showing 80 degrees, and does not overheat. Can go upto 90 when car is at a stand still for longer period of time. But when I start to drive it goes down to 80 degrees again. all suggstions will be at help, anyone?

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Try ur thermisthat or ur heater cord

Posted on Nov 07, 2012

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Check the top of tour motor for small metal hoses going to top driverside and above water pump for little bleaders if there start the car lossen one at a ime to blead air out of lines

Posted on Nov 07, 2012


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Posted on Jan 02, 2017

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SOURCE: Have a Peugeot 406 1.8 petrol LX on a 52 plate.

it could be a slight leak from the heater matrix (check for damp in the passanger foot well) its self or the thermostat may be sticking this may cause the bottom hose to stay cold. you could try removing the thermostat and running it without it and then putting a rad weld in the coolant system to seal the matrix.

let me know if this helps

cheers big mike

Posted on Jun 11, 2011

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SOURCE: peugeot 306 temp use to reach 80 degrees drained

These cars have the heater core above the radiator fill cap.

When you filled it up, you didn't bleed the air from the heater core hoses (the pair of bent hoses that go through the firewall together with the speedometer cable).

What you have to do is fit a bottle with the bottom cut off (so it works as a funnel) on the radiator fill hole, add coolant to that bottle so the level in it is above that of the heater core and then, remove that tire valve cap on the heater core hose assembly.

Do this with the engine running and keep adding coolant to that "header tank" until no more bubbles come out.

Keep the heater on full blast and check that hot air comes out of the vents.

Read my guide. It specifically mentions the same problem in the Citroen ZX. Good luck!

Posted on Jul 22, 2012

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