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Focus O/side Bang


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Hi Guys,

Wondering if anybody can help?

On my Focus ST (09) when driving over large potholes or Speed Humps the O/S (Drivers) makes a nasty bang/crack noise. Over smaller bumps the car rides them well.

Having looked its not the front arm bushes so im thinking it may be the Suspension Mount? Has anybody had similar issues?

Any advice would be welcome.

Cheers

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Hi Stef,

No we haven't looked at the spring yet, this will be our next step before looking at the suspension mount.

Just wanted to see if this was a common fault before doing any more.

Thanks for your reply!!

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If the top mount has gone you normally get a knocking noise on just an uneven surface and little effect on speed bumps. It does sound like a spring could have gone.

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  • 2 weeks later...

Hey Guys,

New Ford owner here, two weeks about.

I have something that sounds very similar here, I got some tyres changed and while it was up in the air asks the mechanics to check the exhaust, as it sounds like that was knocking against some body work or similar. Exhaust was fine. Couldnt see anything obvious here either.

Im starting to think it has something to do with the Suspension, springs, shock somewhere around the right rear.

Did you get to the bottom of this one at all, and if so, how much did it set you back?

Im not sure a spring/shock is something i could repair myself?!

Chester

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Hey Guys,

New Ford owner here, two weeks about.

I have something that sounds very similar here, I got some tyres changed and while it was up in the air asks the mechanics to check the exhaust, as it sounds like that was knocking against some body work or similar. Exhaust was fine. Couldnt see anything obvious here either.

Im starting to think it has something to do with the Suspension, springs, shock somewhere around the right rear.

Did you get to the bottom of this one at all, and if so, how much did it set you back?

Im not sure a spring/shock is something i could repair myself?!

Chester

You would need coil spring compression tools to do the job yourself as the spring mounts roung shock absorber, they cost around £25 each (and you realy should replace them as a pair) but the job is not that big and should be done in around an hour (with the right tools) I would expect quite a bit of change from £100

Phil

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Hi Guys,

Thank you for everyone that has replied to my original Message.

We located the issue to the "Gear Box Top Mount" which is located below the battery. We had to replace the Mount but we also had to replace the "Cast Metal Mould" that sits on the Mount to keep it Rigid. This had sheared into 3x pieces!!!

We also had to replace the "Lower Mount" that keeps everything from moving when you push the engine hard!! A good lesson nonetheless.

This issue has completely rectified the O/S Banging issue when going over large bumps!!! The Spring and Suspension Mount on the O/S are in good condition.

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Thanks all for the ideas, I think I will get it checked by a local shop, needs to go in for a service anyway and this is a little out of the scope of my skill set! :P

I appreciate the information and will be aiming to learn a lot here!

Regards,

Chester

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  • 2 weeks later...

Hey Guys,

Just thought I would follow up here on the noise i had with mine.

Took it in and they replaced the anti-roll thing on the left side, but the noise was from the rear driver side brake.

For some reason the pad wasnt sat right, they had to do a bit of welding to the caliper that holds the pad so it would hold it correctly. They said the one side of the pad was down to the metal and the other was virtually new!

The fixed the caliper and replaced both rear pads and discs.

Noise gone, brakes awesome!

£340 all in.

They also said they could get new calipers in for £130, but were saying the fix above was just as good, while saving me the cash!

Chester.

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