Citroen Xsara Picasso 2.0HDI (attempt 2) strange whirring
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Citroen Xsara Picasso 2.0HDI (attempt 2) strange whirring
Now, I see quite a few people read my post......no replies though
I will go into a bit more detail to try to tease a response out of someone!
I have just bought the car and I'm new to the HDI engine. I picked the car up, started it from cold and I could hear a quite loud whirring sound from inside the car. It winds up and down with engine revs but you can't really hear anything from outside with the bonnet up.
To tell the truth it sounds like it's behind the dash board. As the car warms up it disappears but will be back again when the car is cold.
I am concerned that something is worn and as it is under warranty, I want to point the garage in the right direction with an experts view.
I have read about timing belts, alternator bearings, power steering pumps, coolant pumps. I'm not convinced about any of these as I would assume the sound would be the other way round - getting worse when hot.
Anyone help please?
I will go into a bit more detail to try to tease a response out of someone!
I have just bought the car and I'm new to the HDI engine. I picked the car up, started it from cold and I could hear a quite loud whirring sound from inside the car. It winds up and down with engine revs but you can't really hear anything from outside with the bonnet up.
To tell the truth it sounds like it's behind the dash board. As the car warms up it disappears but will be back again when the car is cold.
I am concerned that something is worn and as it is under warranty, I want to point the garage in the right direction with an experts view.
I have read about timing belts, alternator bearings, power steering pumps, coolant pumps. I'm not convinced about any of these as I would assume the sound would be the other way round - getting worse when hot.
Anyone help please?
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Re: Citroen Xsara Picasso 2.0HDI (attempt 2) strange whirrin
My guess is the heater blower motor which is under dashboard, behind trim on the passenger side (in a Xantia ).Lawrence1973 wrote:...
winds up and down with engine revs but you can't really hear anything from outside with the bonnet up.
...
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Yes indeed, a mis-tensioned cambelt can give rise to noises like this, especially where they rely on a manually adjusted tensioner as the earlier HDis do.
It'll be well worth replacing the cambelt as a precaution anyway (along with the waterpump!) and ideally using a SEEM gauge to set the tension correctly.
A good rule of thumb though is that if the belt can be twisted 90 degrees on it's longest run between finger and thumb, the tension is abut correct. Remember to set the tension a little loose on a clod engineas it expands and tightens the belt a little when hot.
It'll be well worth replacing the cambelt as a precaution anyway (along with the waterpump!) and ideally using a SEEM gauge to set the tension correctly.
A good rule of thumb though is that if the belt can be twisted 90 degrees on it's longest run between finger and thumb, the tension is abut correct. Remember to set the tension a little loose on a clod engineas it expands and tightens the belt a little when hot.
Jim
Runner, cyclist, time triallist, duathlete, Citroen AX fan and the CCC Citroenian 'From A to Z' Columnist...
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Cheers Jim,
Is this a common thing? I am confused because it really does sound like it's right behind the dash. but I know from a bit of experience that it can be misleading.
At working temp, the sound has completely gone. Would this fit the bill?
I am out of my depth with this engine so I don't want to tackle something too painful! Chances are it's not covered by the warranty though!
Cheers
Is this a common thing? I am confused because it really does sound like it's right behind the dash. but I know from a bit of experience that it can be misleading.
At working temp, the sound has completely gone. Would this fit the bill?
I am out of my depth with this engine so I don't want to tackle something too painful! Chances are it's not covered by the warranty though!
Cheers
Re: Citroen Xsara Picasso 2.0HDI (attempt 2) strange whirring
Hi Lawrence, everybody,
although it's been a few years, now I have exactly the same problem, same car, same engine.
But there is no solution.
How did you work it out? You remember back to that?
Thank you.
although it's been a few years, now I have exactly the same problem, same car, same engine.
But there is no solution.
How did you work it out? You remember back to that?
Thank you.
Re: Citroen Xsara Picasso 2.0HDI (attempt 2) strange whirring
Removing the alternator drive belt & starting the engine can quickly rule out the noise from PAS pump, alternator, A/C compressor & the accosiated tensioners/rollers.
Re: Citroen Xsara Picasso 2.0HDI (attempt 2) strange whirring
It sounds like your turbo. It could be a loose hose on it or from it. It's behind the engine up against the bulkhead. If there are no loose hoses and your not loosing any performance or any sign of turbo wear, I'd just live with it.
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Re: Citroen Xsara Picasso 2.0HDI (attempt 2) strange whirring
I agree with KennyD - sounds more like a turbo whine as you won't hear it until it spins up with the revs. If it is a hose leak, it only takes a very small one to make a big difference - and these are not very easy to find - took my garage 2 attempts to locate a small split not visible to the eye before they replaced the hose. My car had no power and was spluttering like anything until they found the leak - it was almost undriveable, but depends of course if this is a leak and where it is - or whether it is the turbo itself.wheeler wrote:Removing the alternator drive belt & starting the engine can quickly rule out the noise from PAS pump, alternator, A/C compressor & the accosiated tensioners/rollers.
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