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Discussion Starter #1 (Edited)
307 1.6 automatic, LHD. Not sure of year but done just over 100,000 km.

Fault 1. On start up, there's a squealing noise* (in neutral or drive) if I turn the steering wheel slightly (L or R) while the aircon is on. The noise stops instantly if the aircon is switched off and disappears as I drive away. It won't return until the car has cooled down again.

Fault 2. On start up, pressing the throttle with Drive engaged very occasionally does nothing. The engine speed fails to increase and (of course) the car doesn't move. This situation may last for up to 30 seconds.

This second fault has occurred only twice. The second time my wife was driving friends so I didn't witness it. As both faults are fairly recent, I haven't had a chance to do any testing.

I'm not near a dealer, live in the sticks, and we have no "spare" car (or money) so I'd like to have a good idea of the possibilities before I take it in.

Happy to answer questions and carry out tests. Suggestions welcomed. I have a fairly good mechanical knowledge of cars and own basic tools.

Thanks in advance. :)

*The squealing sounds more like metal on metal than rubber on metal, although I could be wrong.
 

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The First fault sounds like it could be something to do with the AUX belt,as the squeal disappears when the A/c is turned on and off,maybe the tensioner is worn and the belt is alittle slack.
#2 don't wanna sound daft but have you checked the automatic transmission fluid ?
 

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Discussion Starter #3
Thanks for the reply. I assume that "aux" means auxiliary? I'll find it in my Haynes manual and check it. I'll also look up how to check the transmission fluid. I assume you mean check the level.

How would an incorrect level prevent the engine from revving when the accelerator pedal is pressed?

Why would the level be wrong when there's no evidence of a leak?

Thanks again. I'll report back.

(I've just read the book. Checking the level ain't gonna be easy.)
 

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I'm not totally positive but i'm thinking you should have a dip stick for the transmition. and forgive me i mis understood the first question,i didn't understand that it wasn't revving,still a quick check of the transmition oil can't hurt and yes by aux i did mean the belt,it goes around the power steering,a/c, altinator and more so if the tensioner is worn you could get some squeal from the belt,you could check its not all cracked and perished and that it has all the "grooves" on the underside so its not moving around on all the rollers as it rotates.
 
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I'm not totally positive but i'm thinking you should have a dip stick for the transmition. and forgive me i mis understood the first question,i didn't understand that it wasn't revving,still a quick check of the transmition oil can't hurt and yes by aux i did mean the belt,it goes around the power steering,a/c, altinator and more so if the tensioner is worn you could get some squeal from the belt,you could check its not all cracked and perished and that it has all the "grooves" on the underside so its not moving around on all the rollers as it rotates.
No dipstick in these. There is a serious procedure to check the level of the gearbox. I'd be typing all day to explain.
A good Peugoet specialist is the cheapest option to get it checked.
 

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Discussion Starter #6
Yes, I've read the manual and, although I'm mentally capable, I'm old (60 and arthritic) and it means first buying the correct transmission fluid (a bit of a challenge as my Greek isn't fluent) and involves all the rigmarole required to disconnect and reconnect the battery. It's neither quick nor easy.

Today I kept the aircon off while I started the car and drove off. I heard only the tiniest squeak. Won't need the aircon for 6 months after this month so I'll probably ignore the faults until I have some spare cash. The Peugeot dealers here are the biggest rip-off merchants in the world so I'll have to save up. By then it will be due a full service anyway.

The alternator belt looks OK at first sight. It turns through 1/4 turn on the longest run and seems tight enough. My friend (a Vauxhall specialist) might take another look tomorrow if time/weather permit.
 

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Even tho the weather is cooling down now,im guessing you're in Greece,it is definately worth while turning on your A/C and running it for a few minutes once a week or so just to keep the o rings and seals in good shape,A/c is not just for hot weather.hope this is of some help.
 

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Even tho the weather is cooling down now,im guessing you're in Greece,it is definately worth while turning on your A/C and running it for a few minutes once a week or so just to keep the o rings and seals in good shape,A/c is not just for hot weather.hope this is of some help.
i beleive in the manuals it quotes 15 mins once a month to keep it serviceable and to help keep the system clean, as i am told mould can actually grow!

isnt there a compressor pully or something on the aux belt? couldnt that be causing the squeel you hear when starting the car with aircon...

could also be alternator surge from the excessive draw on power. :thumb:

as for your second fault, couldnt that be down to Throttle position sensor as you say engine does nothing
 

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Yes, mould will certainly grow. (I've just replaced the pollen filter.)

It might be the throttle position sensor but the fault occurs so rarely and briefly that, so far, it hasn't been possible to do any tests. No doubt it will happen again when I'm miles from anywhere and without tools!
 

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Discussion Starter #12
Well, the crankshaft pulley finally fell off! The rubber "sandwich" had disappeared and the squealing noise had been caused by the outer pulley ring slipping on the inner wheel bolted to the crankshaft. There wasn't a scrap of rubber left.

(I know - I'm kicking myself - but it really wasn't obvious. Even a time served mechanic didn't spot it.) :D
 
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