Strange whining

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200tdi ayre

200tdi ayre

Well-Known Member
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5,832
Location
Ashbourne (sometimes)
Backstory
Right guys I've got a customers 2008 FL2 TD4 auto in that was making a strange whining noise from the engine compartment area, I took it for a test drive and immediately noticed that it was the power steering, whine changed a lot when shaking steering and the pump whined a lot when on full lock. So I changed that. Pump is now making no noise :)

So I took it for a test drive about 3 miles down the road, all good, no noise, checked the level, everything fine so I drove it back to the customers to pick m
Him up.

You can't make this up, as soon as I picked him up (about 2 miles away from the workshop ) it stared whining again and got worse as I drove back, so I immediately got it on the ramp, checked the wheel bearings, no play, doesn't seem to be any play in the other pulleys although I'm not ruling it out

It is definitely engine rev related as the pitch changes with a change of revs.

It doesn't do it for the first couple of minutes / mile and then whines again and gets worse ( not horrendous) but worse

Now my thoughts are
- turbo as it was whining bait from the turbo whilst standstill
- one of the other pulleys (alternator/ air con etc)
Or something input side on the gearbox as it still whined while stationary

So what could it be to save the customer and me time when he brings it back on Monday ?

Cheers guys :)
 
There was a known fault on the power steering.
This was due to bad welding leaving excess spatter causing the filter to become clogged and causing noisy pump and eventual failure if not remedied.
A new pump and filter would fix if caught early else complete assembly would be required if left too long............apparently!
 
mjrimmer said:
There was a known fault on the power steering.
This was due to bad welding leaving excess spatter causing the filter to become clogged and causing noisy pump and eventual failure if not remedied.
A new pump and filter would fix if caught early else complete assembly would be required if left too long............apparently!
Click to expand...

Ie changed the pump and it's a lot better but it still whines after a couple of minutes
 
Duncp73 said:
Where was the filter mate?
Click to expand...

There was a particulate filter in the resovoir and that's it, there was quite a lot of crap in it no wonder it whined, the owner asked "we'll seeing as changing the pump didn't fix the noise are you putting the old one back on ?"

No, no I'm not I know a faulty power steering pump when I see one :rolleyes:
 
200tdi ayre said:
There was a particulate filter in the resovoir and that's it, there was quite a lot of crap in it no wonder it whined, the owner asked "we'll seeing as changing the pump didn't fix the noise are you putting the old one back on ?"

No, no I'm not I know a faulty power steering pump when I see one :rolleyes:
Click to expand...

Cheers mate. :cool:
 
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