Damn, he was right!

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Damn, he was right!

Post by Peter-S »

I had an mot advisory back in February as there was a sign of cracking around a driver's seat mount on the 2.0. Finally got around to having a look. Another little job to do!

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Re: Damn, he was right!

Post by Jasonmarie »

They always like to test us :lol:
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Re: Damn, he was right!

Post by Bug »

Time to start that diet! :xd:
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Re: Damn, he was right!

Post by stevemarl »

Is that just stress or is there some corrosion on the other side too? Something else to worry about.
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Re: Damn, he was right!

Post by Andrew 2.8i »

What would be the cause of a crack like that?
Just weakening of the metal over time?

Andrew.
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Re: Damn, he was right!

Post by Peter-S »

Bug wrote: Thu Jul 15, 2021 8:04 am Time to start that diet! :xd:
Mot failure due to middle age spread 🤣
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Re: Damn, he was right!

Post by Peter-S »

Andrew 2.8i wrote: Thu Jul 15, 2021 7:03 pm What would be the cause of a crack like that?
Just weakening of the metal over time?

Andrew.
I would think so Andrew, it's gone along the edge of the reinforcing plate underneath. Maybe need to slow a bit more on the corners😉
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Re: Damn, he was right!

Post by Peter-S »

stevemarl wrote: Thu Jul 15, 2021 8:16 am Is that just stress or is there some corrosion on the other side too? Something else to worry about.
Looks OK underneath Steve. I'll clean it up to make sure but looks like a stress crack to me.

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Re: Damn, he was right!

Post by pbar »

What's your plan with that Peter, fill the crack with an eventual line of weld? Nice straightforward fix if that will do it.
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Re: Damn, he was right!

Post by Caprigear »

That's quite a common failure point. We see it on most of our builds.
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Re: Damn, he was right!

Post by STEVEW »

Hi steve,
Is that just stress or is there some corrosion on the other side too? Something else to worry about.
I believe the problem is both fatigue and a little corrosion.
I had a similar problem.
Like you I cleaned and degreased around the cracks after which my son welded them. The welded joints were treated with rust inhibitor.
Plates (x4) were made up and welded on from above.
The finished areas were then sprayed with zinc.

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Re: Damn, he was right!

Post by Mc Tool »

They are pretty flimsy though . Silly thing here is that that sort of mount would pass wof (mot ) on a factory car .... but would be rejected on a scratch build or heavily modified car , you would have to fit 4mm plate of a minimum area ( not sure how big )
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Re: Damn, he was right!

Post by mjcapri »

Peter-S wrote: Thu Jul 15, 2021 7:50 pm
stevemarl wrote: Thu Jul 15, 2021 8:16 am Is that just stress or is there some corrosion on the other side too? Something else to worry about.
Looks OK underneath Steve. I'll clean it up to make sure but looks like a stress crack to me.

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Clean the crack out with a Dremel or similar Peter and then drill a hole at either end of the crack to “terminate” it. Fill with weld (I’d just MIG it) but you’ll need to be careful of getting too much heat into it. Ideally use a heat sink and be careful of welding too long a run at once. 8-)
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Re: Damn, he was right!

Post by Peter-S »

mjcapri wrote: Sat Jul 17, 2021 8:00 am
Peter-S wrote: Thu Jul 15, 2021 7:50 pm
stevemarl wrote: Thu Jul 15, 2021 8:16 am Is that just stress or is there some corrosion on the other side too? Something else to worry about.
Looks OK underneath Steve. I'll clean it up to make sure but looks like a stress crack to me.

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Clean the crack out with a Dremel or similar Peter and then drill a hole at either end of the crack to “terminate” it. Fill with weld (I’d just MIG it) but you’ll need to be careful of getting too much heat into it. Ideally use a heat sink and be careful of welding too long a run at once. 8-)
Thanks Mark. I've been using a dremel type thing to clean it. I'm confident I can drill the holes that just leaves the other bit! 😁
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Re: Damn, he was right!

Post by stevemarl »

Peter,
I`ve been trying to work out which mounting point that is, I`m thinking rear but is it left or right?
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Re: Damn, he was right!

Post by Peter-S »

stevemarl wrote: Sat Jul 17, 2021 11:17 pm Peter,
I`ve been trying to work out which mounting point that is, I`m thinking rear but is it left or right?
Yes Steve, rear of driver's seat next to the tunnel
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Re: Damn, he was right!

Post by stevemarl »

Peter-S wrote: Sun Jul 18, 2021 8:22 am rear of driver's seat next to the tunnel
Thanks!
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Re: Damn, he was right!

Post by Peter-S »

I'm going to put this in the car when I'm done😄

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Re: Damn, he was right!

Post by Mc Tool »

Peter-S wrote: Sun Jul 18, 2021 1:32 pm I'm going to put this in the car when I'm done😄

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Just make sure they know you're talking about the car.....😳.......you are aren't you?😁. Ah ha ha ha ,just realised that sticker would be better on my car, yeah , that could be real funny 😆
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Re: Damn, he was right!

Post by Peter-S »

Mc Tool wrote: Sun Jul 18, 2021 6:47 pm
Peter-S wrote: Sun Jul 18, 2021 1:32 pm I'm going to put this in the car when I'm done😄

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Just make sure they know you're talking about the car.....😳.......you are aren't you?😁.
Hamish, there's days when I'm not really sure :xd:
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