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St220 humming noise

Old 03-08-2015, 04:50 PM
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malkiemac3579
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Default St220 humming noise

Hi all

New on here and hoping for some advice.
I have a model ST220 2003. Petrol 3.0ltr.
I have a noise from front which sounds like a wheel bearing but isn't as both have been replaced as have the discs and pads. I have also just replaced both tyres. Noise is prominent and defiantly in drive train somewhere. At speed if you dip clutch noise persists which would suggest it's not clutch related or perhaps gearbox related....any thoughts?

Cheers
Old 03-08-2015, 06:28 PM
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gcfcos
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Default St220 humming noise

Is there a driveshaft bearing on the front? Normally fords have it on the o/s/f driveshaft (the longer one) halfway down the shaft, I know some fords used to suffer with that bearing wearing and getting noisy, not sure if the mondeo has it though
Old 03-08-2015, 06:36 PM
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malkiemac3579
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Originally Posted by gcfcos
Is there a driveshaft bearing on the front? Normally fords have it on the o/s/f driveshaft (the longer one) halfway down the shaft, I know some fords used to suffer with that bearing wearing and getting noisy, not sure if the mondeo has it though
I haven't checked...it definately seems like it's osf in fact right under my feet..I thought the fact brakes were metal to metal was the cause only to road test and damn hum to still to persist
Old 07-08-2015, 11:20 PM
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Default St220 humming noise

Any luck?
Old 01-05-2016, 10:09 PM
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Mondy Focus
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Nobody has ever posted a solution to this humming , spoke to a mechanic and
the intermediate bearing on driveshaft is mentioned but nothing definite.
Still seeking a solution after 4 years on 2.5L v6 engine.

Last edited by Mondy Focus; 02-05-2016 at 03:43 PM.
Old 20-07-2016, 09:35 PM
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Mondy Focus
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Changed intermediate bearing on the driveshaft and still hums having done both wheel bearings and new goodyear tyres .i suspect the gearbox bearings.also changed gearbox oil.

Last edited by Mondy Focus; 21-07-2016 at 07:22 PM.
Old 23-07-2016, 03:22 PM
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richard youll
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Noise coming from front or rear? It isnt the moosing problem is it?
Old 23-07-2016, 05:33 PM
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mark826
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Could well be the diff bearings. Although after 4 years you'd have expected them to have shit their selves already.

Is the noise rev related or road speed related?
Old 23-07-2016, 09:09 PM
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Mondy Focus
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It hums at 20mph in gear and in neutral, rear wheel hub bearings both renewed seemed
to improve with new tyres on front but after few miles hum returned.
Revving makes no difference or different road surfaces,just at 20 mph front
end engine hums to vibrates.
Not moosing

Last edited by Mondy Focus; 23-07-2016 at 09:14 PM.
Old 24-07-2016, 06:58 PM
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Matt Cooke
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Any decent mechanic could diagnose that in 10 mins mate the bearings are easy to check and there are only 5, tyres for castleation then that leaves cv joints or gearbox, get it on a ramp and run it up in gear I've changed drive shafts on them for vibration

Last edited by Matt Cooke; 24-07-2016 at 07:00 PM.
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Old 14-07-2017, 12:10 PM
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Update on Humming at 20 mph,problem solved had wheel alignment and the toe-in
was needing adjustment ,now drives like a dream.
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