Help with a loud rattle

[togglenation]

Hi all,

Have the sam issue, feels like sound similar to original post, been to dealer 3 times, they’ve decided to replace shock absorber bearings struds, on the l left side, nothing changed.

Formentor Rattling noise

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[Gman13]

Hi all,

Have the sam issue, feels like sound similar to original post, been to dealer 3 times, they’ve decided to replace shock absorber bearings struds, on the l left side, nothing changed.

Formentor Rattling noise

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Hi,

video sound lot like mine problem which I resolved yesterday after 4 months of trying and few dealership visits.

Although sound looks like it is from shock absorbed (I though the same. Also left side) in my case it wasn't. After lots of tests I found that sound comes as result of hood micro movements while driving.
If you look at picture (i found picture on internet so please ignore red arrows) issue was in one of this metals marked with yellow color. To be more precise this side of metal marked with two yellow arrows was making click sound when pressed hard. I screwed up metal on places marked with green color and never heard sound after that.

 

[togglenation]

Hi,

video sound lot like mine problem which I resolved yesterday after 4 months of trying and few dealership visits.

Although sound looks like it is from shock absorbed (I though the same. Also left side) in my case it wasn't. After lots of tests I found that sound comes as result of hood micro movements while driving.
If you look at picture (i found picture on internet so please ignore red arrows) issue was in one of this metals marked with yellow color. To be more precise this side of metal marked with two yellow arrows was making click sound when pressed hard. I screwed up metal on places marked with green color and never heard sound after that.

Sure, here's the revised version:

---

Thanks so much. I’ve experimented with the bonnet hinges a lot, tightened them to the max, and added some insulation. I even cut a Red Bull can and put a thin “seal” around the other part of the bonnet hinge that was making the rattling sound. Unfortunately didn’t help me at all. Rattling sound is persistent, and the worst thing it’s irregular, so you need to drive a specific conditions to get this noise.

May I ask, did you tighten it all the way?

 

[Gman13]

No, just a little more than it was

 

[LetsForment]

Great thing about these small issues is that it keeps the forum membership growing

I will get my coat...

 

[Seastormer]

Great thing about these small issues is that it keeps the forum membership growing

I will get my coat...

Probably true though.

 

[togglenation]

Finally, I’ve sorted it out. It was a loose bolt that was holding the sub-frame assembly. Please check out the video.

?

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[sxr85]

Finally, I’ve sorted it out. It was a loose bolt that was holding the sub-frame assembly. Please check out the video.

?

- YouTube

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Hello, where is this bolt exactly, could you please help? I have the similar noise as on the video, maybe the solution is the same.

 

[togglenation]

Hi, I suggest inspecting and tightening at least these four bolts as a bare minimum.

Ideally, tighten all bolts and connections that are reachable.

And let us know the results)))

 

[sxr85]

View attachment 43543
View attachment 43544

Hi, I suggest inspecting and tightening at least these four bolts as a bare minimum.

Ideally, tighten all bolts and connections that are reachable.

And let us know the results)))

Thanks for the info, I will check and share the results.

 

[raf92]

Thanks for the info, I will check and share the results.

and how did you manage to check it? I have a similar sound now

 

[raf92]

Sure, here's the revised version:

---

Thanks so much. I’ve experimented with the bonnet hinges a lot, tightened them to the max, and added some insulation. I even cut a Red Bull can and put a thin “seal” around the other part of the bonnet hinge that was making the rattling sound. Unfortunately didn’t help me at all. Rattling sound is persistent, and the worst thing it’s irregular, so you need to drive a specific conditions to get this noise.

May I ask, did you tighten it all the way?

and in what conditions did you hear this noise?

 

[togglenation]

and in what conditions did you hear this noise?

Mostly when I was going up or down on uneven roads like the one in the video:

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P.S. The rattle issue was fixed, and it wasn’t the bonnet. The issue was caused by a poorly tightened bolt on the subframe. I tightened it, and now everything works just fine (no rattle noise at all).

Hope this helps.

 

[sxr85]

and how did you manage to check it? I have a similar sound now

Hi there, so I've checked the bolts just by a torque wrench, "unfortunatelly" all of them was tight, so the noise remained.

 

[togglenation]

Hi there, so I've checked the bolts just by a torque wrench, "unfortunatelly" all of them was tight, so the noise remained.

Can you shoot a video? I’ve heard some folks had issue with steering rack.

 

[sxr85]

Can you shoot a video? I’ve heard some folks had issue with steering rack.

Yes, I shot a video about the noise (link copied below) it is the loudest when I drive on minor unevenness. I also tried to trigger it while the car is not moving but it is not coming, so this is certainly in connection with rolling.

Formentor rattling noise

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[sxr85]

Additional info that I also tightened the (green) bolts as it was proposed by Gman13 above, unfortunately does not helped.

 

[raf92]

Additional info that I also tightened the (green) bolts as it was proposed by Gman13 above, unfortunately does not helped.

did you manage to solve the problem?

 

[sxr85]

did you manage to solve the problem?

Hi, unfortunately no. In the meantime I had a test drive with my car mechanic, eventually he heard the noise, and he also could reproduced it by pushing and moving down the car at left front. Couldnt be localized perfectly but the noise is coming somewhere from the top of front left shock absorber. Next Monday (14th Oct) they will dissassemble it and as a first try they will replace the strut bearing. Lets see, I will come back with the results. Further info that noise is much more louder when there is less load on the left side of the suspension, for example driving in a roundabout a with bit higher speed (which is left turn practically) the noise dissapears.

 

[Jimbo]

Hi,

video sound lot like mine problem which I resolved yesterday after 4 months of trying and few dealership visits.

Although sound looks like it is from shock absorbed (I though the same. Also left side) in my case it wasn't. After lots of tests I found that sound comes as result of hood micro movements while driving.
If you look at picture (i found picture on internet so please ignore red arrows) issue was in one of this metals marked with yellow color. To be more precise this side of metal marked with two yellow arrows was making click sound when pressed hard. I screwed up metal on places marked with green color and never heard sound after that.

yes as per my post from months ago