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Discussion Starter #1
Hi. My heater has stopped working today on my 2001 307 HDi.:(

My mechanic is popping round Wednesday and we're hoping it's the resistor, which seems to be the popular google solution. Before I'd googlesd it, my mechanic did actually say it could be the 'balance' resistor which I presume is the same thing.

My worry is that the heater was making a louder 'motory' (for lack of better description) noise over the last few days, in fact, last couple of weeks I think. The kind of noise that made me think something isn't right and perhaps the heater is about to fail. Which it did. And I'm fairly sure the power was weaker than it used to be as I couldn't hear the fan blowing as hard yesterday. I always have it on setting 4. There's no aircon, just the standard heater console. Could this be a sign of having to replace the heater motor, or could it still be a resistor problem?

If it needs replacing, my mechanic said it's quite a big job getting access to it.
How much should I expect to pay to get it replaced? Not at a main dealer or peugeot specialist though as they're always too expensive aren't they?
 

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The loud noise you describe could have put extra resistance and load on the resistor pack and burnt out the thermal diode.

Don't worry about costs just yet, look at the simplest and most common part of the equation - the resistor pack and the wire in the loom which burns out at the plug.
 

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Discussion Starter #3
Thanks for the reply Gibbo.

First, is the thermal diode part of the resistor pack and when you say pack, does that mean a series of resistors as opposed to one?

Secondly, if the noise created extra resistance, I suppose it begs the question, what do you think is likely to have gone wrong in the heater that actually caused the extra noise in the first place (that ultimately might have created the extra resistance)?
 

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Discussion Starter #5

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Discussion Starter #7 (Edited)
Pollen Filter

Lets just hope poor maintenance for the sake of a £12 filter and five minutes work hasn't cost you hundreds.

Quick update Gibbo. Had the AA round to fix something and while he was here I asked him to look at the heater. But because it's not a breakdown issue it's not something he was able to check out. However he said that if it was a resistor problem then the heater would still work on one of the settings. But because the heater doesn't work on any, he assumes the motor has gone. And he said the noise is an indication of a dying motor.

So if we assume the heating motor needs replacing, how much should I be looking at? I just called AA/Halfords Autocentre who did a good job on replacing my clutch a few years ago and had the best price. They said getting access to the heater is a bit tricky but reckoned £150 to £200 for labour and including the heater motor. That to me is a decent price. But it does seem a bit cheap? They charge £85 an hour and presumably would need about 2 hours, and the motor is probably going to cost about £100? So, does £270 sound more like it? What do they have to remove to get to the heater, cos that's the tricky bit isn't it?
 

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Not necessarily. I got very wet shoes and I drove for two hours with the heater on number 4 setting to dry out and warm up.

Heater stopped.

The diode had burnt out, along with one of the wires on the wiring loom to it.

Replaced diode and bypassed the burnt pin on the plug.

Best bet would be to do some diagnosis. Run 12v direct to the heater motor to see if it works first. Would be silly to spend hundreds if its the common fault of heater resistor pack and burnt plug. Look at the number of subsequent thanks on the thread with my pics in when it happened to me.
 

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Discussion Starter #9
Not necessarily. I got very wet shoes and I drove for two hours with the heater on number 4 setting to dry out and warm up.

Heater stopped.

The diode had burnt out, along with one of the wires on the wiring loom to it.

Replaced diode and bypassed the burnt pin on the plug.

Best bet would be to do some diagnosis. Run 12v direct to the heater motor to see if it works first. Would be silly to spend hundreds if its the common fault of heater resistor pack and burnt plug. Look at the number of subsequent thanks on the thread with my pics in when it happened to me.

Ok, well my mechanic is coming over next week and he said he'd check it out to see what the problem is. I'm useless with car stuff so it's not something I'd faff around with myself.:p So I'll ask him to do what you suggested which is to check and see if the heater motor is dead or not, it's a good idea. I will of course update you and yeah man, thanks for your advice thus far!
 

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Discussion Starter #10
Update:

My mechanic came over but ended up recommending me to an experienced electrics specialist he knows. Turns out that the brushes on the motor were worn and burnt into the armature, or something like that. A new Magnetti Marelli motor is needed. But they're at the stupid price of £235. I found this though and just bought it. http://www.ebay.co.uk/itm/Peugeot-307-Heater-Blower-Fan-Motor-MAGNETI-MARELLI-593220400-/300864452752?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item460ceb3890


Can only hope for the best really. It's winging it's way to me in the next few days. The electrics guy charged me £55 for the work he did today removing it and diagnosing the problem and there's another £25 standard minimum charge for fitting it when I get it. So £110 all in. He said the resistor and wiring is fine. This is my old motor.
 

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I managed to fix mine with my head inside the glovebox :)

Tricky as it was with a few F$"%@KS and battered hands later it was done.

I believe the tricky bit is officially you have to remove the dash to get to it which is a labour intensive process unless your an idiot like me and dont.
 

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Discussion Starter #12
Well it's fixed now. :nod: So good to have heat back in the car, I'd been driving with gloves on for the last week or two. £25 for a used heater motor (instead of the ripoff £235), and £80 labour. Let's hope it lasts. Sound is very powerful, slightly different from my old one with a slight whistle amongst the roar, like a jet engine.
 
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