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Squealing Noise When Accelerating .


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#16 wase16ll

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Posted 31 July 2013 - 09:17 PM

fan, aux, serpentine or auxillery belt is all one and the same...this is the belt you have pics of

 

the cam belt is totally different, its behind the covers that are behing the aux belt

 

 

you can run engine briefly without aux belt, long enough to know if squeal has gone or not..but dont drive it, and try not to run engine for more than couple of minutes

 

you shouldnt rotate the engine in any way, whilst cam belt is removed, but starting it is a real no no



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#17 WinDrop

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Posted 31 July 2013 - 10:11 PM

fan, aux, serpentine or auxillery belt is all one and the same...this is the belt you have pics of

 

the cam belt is totally different, its behind the covers that are behing the aux belt

 

 

you can run engine briefly without aux belt, long enough to know if squeal has gone or not..but dont drive it, and try not to run engine for more than couple of minutes

 

you shouldnt rotate the engine in any way, whilst cam belt is removed, but starting it is a real no no

Oh, cool. That is a very nice tip.

Will try and see can I remove the fan belt. Hope I will be able to do it with my very poor knowledge base :)

 

Anyway. Thank you very much for help. I will update this topic once i will check the belt and find out is it the one that makes the noise.

 

By the way, will it be the same belt that makes noises when I start the engine and when I accelerate? Or could it be because of different belts?



#18 wase16ll

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Posted 31 July 2013 - 11:46 PM

probably same



#19 WinDrop

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Posted 01 August 2013 - 05:38 PM

Damn, I'm starting to hate this car...
Was driving back from home and a yellow Malfunction indicator lamp (MIL) came on.

I did went to many local garages but they are were closed.

Then i went back home and did the little trick with the error codes on the small LCD screen.

It gave me DTC 9318 which end up to a low battery (less than 10v)

But if you think about it's not quite possible as my car starts very good. If battery would be so low the car itself wouldn't really start up. Or it still would? o_O
 

I don't know how old the battery is as i only own this car for like 3 months now. (no wonder it was so damn cheap...has 100s of issue...)

 

What could happen to the car itself if battery is so bad but it still starts up fine?

 

Thanks.

 

 

P.S. I have read that if alternator (Fan belt, serpentine belt...the one that I am planing to change) cable is not good then it might not charge the battery while driving. Can that be true?



#20 wase16ll

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Posted 01 August 2013 - 08:34 PM

squealing could be related to battery being under charged...but could also be a seperate problem.

i know the focus suffered a wiring issue from the alternator, though its not something i have come across myself, but sure there are members on here that can give you the necessary info with this.

 

battery can start the vehicle with volts that low, especially in the warm weather, if the battery charge level is low, it will soon kill the battery though so need to get this looked at sooner rather than later



#21 WinDrop

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Posted 02 August 2013 - 05:18 PM

squealing could be related to battery being under charged...but could also be a seperate problem.

i know the focus suffered a wiring issue from the alternator, though its not something i have come across myself, but sure there are members on here that can give you the necessary info with this.

 

battery can start the vehicle with volts that low, especially in the warm weather, if the battery charge level is low, it will soon kill the battery though so need to get this looked at sooner rather than later

It is very strange but i think that Focus integrated error reporting system is not working properly.

I did went to my friend's garage and asked him to check my car for free. He was kind enough and did it.

 

He connected to cars computer and scanned it with professional hardware and it said that my lambda sonde is out. And that's the reason why the light came up...

So why the hell did LCD screen showed me a completely different error? 

 

I was very confused and asked him to check the battery, he did that as well and battery is completely fine.

 

So the question is. Does ford focus secret reporting system does give a false information?

 

Anyway, I'm ordering a new lambda sonde right now.

See will that fix the issue.



#22 wase16ll

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Posted 02 August 2013 - 07:43 PM

gone off on a bit of a tangent here :)

 

to start with, lambda sensor wont cause a squeal.

also not unusual for a sensor to flag up out of the blue, but be ok...it may well have gone out of sync for a short while, if enough to trigger light then PCM tries to compensate..quite often, turn off engine, restart and back to normal never to return...put it down to a delicate, complicated, exposed system having a little quirk.

 

did he test the sensor with either dedicated tester or maybe live data, or was it just that was the fault code logged?

 

thinking out of the box for a while....lets say for whatever reason the battery volts dropped to 10v...even if only for a short while...well that lambda sensor needs 12v otherwise the heater circuit fails and therefore flags the code...quite plausible when majority of other sensors work of a 5v reference.

 

so maybe your dash was correct, and the lambda sensor is flagged as a symptom of real problem, not the cause.

 

i would concentrate on the squealing, and get the battery/charging system fully checked, have the sensor retested once this is done as chances are you could be getting a swerveball



#23 gwengo

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Posted 02 August 2013 - 09:31 PM

Hi WinDrop,

 

I have a 1.8 TDCi that used to have a squealing problem, especially from a cold start. I tried loads of things, but it turned out that my battery had a very poor cold cranking rating. I bought and fitted a new battery with a higher cold cranking rating and it seemed to do the trick. If you think about it, the battery needs alot of juice to start a cold engine. So if you have a battery with a poor cold cranking rating, it's gonna struggle to get things going, especially with all the ancilliaries modern cars have such as heated windcreens, air con etc, causing the auxilliary belt to squeal. I can't remember off the top of my head what my rating was (I'll have to go and look tomorrow) might be worth checking your battery, before you go to too much expense ;)

 

Fair play for you for doing it yourself, I'm still learning :)

 

Hope you get the problem fixed!!!!



#24 WinDrop

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Posted 02 August 2013 - 10:16 PM

Hey,

 

Well, sorry, I probably switched from one problem to another very fast.

The squealing noise problem was never related to the lambda sensor. It was something that was bothering me and I just want to get it fixed :) I checked the belt at the garage today and I been told that it's fine. It's something else that is making that noise. But that will have to be investigated. 

 

Reason why I wrote about the lambda sensor was because engine management light came on on my dashboard. 
After I ran a ford focus error reporting function (holding down that button on dashboard and starting the engine) it gave me an error DTC 9318 which is related to a low voltage.

 

Today I did test my battery in a garage and it's fine. Charging system is also fine.

Then they connected it to the computer and actually scanned the system. It said the cause of the Engine management light is the lambda sensor. (Well, I really hope it is as it said that the problem is in the catalytic. So my friend just recommended me to change the sensor.)

But anyway, it's kind of weird that when you read the error via build in error reporting system it say that it's an DTC 9318 error while when you connect it to the computer it say that it's a error in catalytic. 

 

Hope this makes any sense :)

 

Anyway, I will try and change the sensor and see will it help. It's only an 10 minute job there.

Will keep you updated on how things are going with the car ;)




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