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307 Air Conditionor failed to cope with Australian hot weather

Last week my wife 307 air conditionor failed to cope the the hot weather. The temperature outside was between 34 to 37c inside the car was well put this way very good sauna it remain this way for some

10 to 15 minutes before the air conditioner kicked in and lowered the temperature to a comfortable level.

Well some six months a go we hit a roo (kangaroo) damaged the radiator pushing it back on the motor as a result of the accident has made one or more sensor be a bit dodgy and only shown up in the hot weather. Can anyone suggest which sensor is playing up or may the black box a bit touch'e still it is back Paris for this time of the year no problem in the cooler weather.

Thanking you in advance

Mailman

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Mailman
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Try changing the ambient temperature sensor which is the senser that tells the display panel in your car the outside temperature.

snipped-for-privacy@castlema> Last week my wife 307 air conditionor failed to cope the the hot

Reply to
tricky4000

That seams Ok because the temperature shown on the display is right if

36c outside then display will shown 36, but were do this sensor fit in with the control of the air conditionor does this sensor tell computer which mode set to the air condition to. The car has just come back from the dealer they just reloaded the software and we had another very hot day and it playing up again so back to the dealer. Something else the ecomo mode is not working.

Mailman

Reply to
Mailman

It might be the interior temp sensor (part of the climate control). There's a few slotted holes int he dash board...don't quite know what this is but a good possibility. I had a 98 Fairmont Ghia before my 307 with auto climate control and it had a sun sensor right in the middle of the dash board which would actually communicate with the climate control...not sure if the 307 has something similar. I'm stuck on this one mate. Dan.

snipped-for-privacy@castlema> >

Reply to
tricky4000

Reply to
MICHAEL ROCHE

The 307 was return to the dealer last week and you are righ the fan in the front is not working. This make a lot of sense, now what is happening when the car sit out in the hot sun the refrigerant heats up with the fan not working hot air is blown into the car but soon as air is forced through the condenser it start to cooling down stop at traffic lights is start to heat up again due to the lack of air movenent, on the open road refrigerant cooled down and things works as per normal.

The dealer pointed out that therr are three senser controlling the fan. I have checked (looked) for blown fuse, fan is free not seized (fan was replaced as the roo made a mess of it).

Stay turned for more fun and games.

Reply to
Mailman

Got it

The service people had to remove headlights and bumper assmebly plus the battery and relay/fuse box to access the wiring loom they found a short in the fan wiring near the connector under the bumper/battery box (what ever that is) this was repaired plus the replacement of fuse no 18 (40amp) which is the fan fuse in the engine compartment fuse box.

Just one thing I glad that I did not find the blown fuse due to the short in the wiring I may have done damage if I replaced the fuse.

All a result of hitting a roo, fan is now working and the 307 is running a lot better.

Keith

Reply to
Mailman

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