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Author Topic: Ever Wish You Didnt Look - Manifold Problem..  (Read 3929 times)

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Markie

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Ever Wish You Didnt Look - Manifold Problem..
« on: 30 September 2006, 15:17:12 »
Between jobs today and flitting back and forth between the breaking CDX and fixing Megane projects.

I noticed the lamba sensor not plugged into anywhere on the cdx and had a chortle as i thought about the fact theres a huge hole in the air intake....so many botched jobs on that vehicle!!

For no reason i decided to look at my 3.0 v6 underneath and see if the lamba sensors were in the same place.

Quite concerned to see either or both my cats or front pipes are pretty badly corroded. Thinking about it - i reckon its the manifold pipes...

I was sure recently i heard a slight blow recently but i am a kind of uber paranoid guy when it comes to my cars!

Now without putting the MV6 up on stands today... from the shots below can anyone advise if this is close to the end - it looks to me like the front pipes have two layers, is this the case....? If so the first layer is almost peeling off and a total goner!
question is - is this an imminent job ( theres no fumes, warning lights, noises or performance issues at all) and also how much !?



« Last Edit: 30 September 2006, 15:24:00 by Markiec »
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Markie

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #1 on: 30 September 2006, 15:17:59 »
the curved pipe nearest and very bright is very badly corroded, opposite side is in the background and not much better



and another shot

« Last Edit: 30 September 2006, 15:18:22 by Markiec »
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Kev

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #2 on: 30 September 2006, 16:04:52 »
The first layer is just a heat shield.  ;)
« Last Edit: 30 September 2006, 16:26:42 by Kev »
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Marks DTM Calib

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #3 on: 30 September 2006, 16:33:10 »
Just a heat shield....nothing to worry about....might rattle though.
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JamesV6CDX

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #4 on: 30 September 2006, 16:34:38 »
Looks like although it's got a rusty appearance, the exhaust apppears solid enough and it's just the heat shields that are corroded.

I wouldn't worry about it at all, if there is no blows.

Maybe you just have a slight blow when cold but goes once warm? Could be the secondary air injection, or a slight leak on a manifold gasket, but I really wouldn't worry about it if it's not that bad.
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Markie

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #5 on: 30 September 2006, 16:43:53 »
thanks guys - had just come back into post up my conclusions - ie its just a shield, i think.

Had another look under the old cdx and it has not got the second layer - so my conclusion totally different design or as you have all advised the heat shield is disintegrated on the project car and my mv6 is starting to go that way...

Puts wallet back in pocket.... ;)  ;D
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Kev

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #6 on: 30 September 2006, 17:09:11 »
Quote
Puts wallet back in pocket.... ;)  ;D
Some saved money for another horse Mark.  ;D
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Markie

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #7 on: 30 September 2006, 18:24:24 »
Quote
Quote
Puts wallet back in pocket.... ;)  ;D
Some saved money for another horse Mark.  ;D


oh dont even joke Kev!! :-[ ;)
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Marks DTM Calib

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #8 on: 30 September 2006, 18:45:17 »
Quote
Quote
Puts wallet back in pocket.... ;)  ;D
Some saved money for another horse Mark.  ;D

Has he finished eating the other one already!  ;D
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Markie

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #9 on: 30 September 2006, 19:17:18 »
errrrrrr hic  :P
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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #10 on: 30 September 2006, 21:09:45 »
Quote
Quote
Puts wallet back in pocket.... ;)  ;D
Some saved money for another horse Mark.  ;D
;D ;D ;D
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Kev

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #11 on: 30 September 2006, 21:11:02 »
Was wondering why my local butcher had a sale on.  ;D
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rhydV6

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #12 on: 14 October 2006, 07:29:44 »
Both of these shields are loose on mine..

Are they needed?

They obviously rattle away like mad when the cars running.

Any ideas on an easy fix?

Cheers
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Markie

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #13 on: 14 October 2006, 10:53:27 »
yes mine are getting worse, im not sure apart from replacing them what would fix this  :-/
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EddieX

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Re: Ever Wish You Didnt Look - Manifold Problem..
« Reply #14 on: 14 October 2006, 20:48:46 »
I've not tried it myself........ yet, but if my downpipes looked that bad I would probably rip off the remaining heatshield and wrap the pipes with that heatproof bandage stuff you often see on race cars. The heatshield is there to stop your tootsies getting roasted and mine smell bad enough normally  ::)
Eddie.
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