Hi all,

 

Sorry i've not posted in a while!

As the title suggests, I had a bit of a spin a couple of weeks ago due to a pillock pulling out on me and getting stuck halfway across the road.

Luckilly the only battering was from the untouched central wall of snow as I went over it sideways.

However ever since it's been blowing and as I hit the 3500rpm range it really does make a racket, sort of a rattly higher pitched noise...

 

Anyway I took it to a friend who got it up on a lift for a quick inspection.

We couldnt find anything that was loose the only thing that was bound to be making the noise was what I think is the exhaust recirculation pipes?

Perhaps?

 

Drivers side

 

Passenger side

 

As you can see both on each side are totally disconnected.

However I am positive that they were this way when I bought the car, I clearly remember sticking my finger down the ones that go upto the engine bay and getting covered in muck...

The only thing I can think of is that the 'exhaust side' pipes were possibly capped in some way and i've nocked them off??

I dont know why theyve been disconnected..

Im hoping that some of us on here can fathom a reason?

Perhaps they're only required for a turbo'd model for example?

 

Thanks very much, I appreciate any help you can give on the issue.

 

The options/questions I can see are:

Should I re-cap? should I connect them up again? is the fact that the ones returning to the engine bay are not capped potentially causing issues elsewhere? (entry of water, dirt and such?)

 

Cheers!

 

Sky

They are normally disconnected when doing a decat, no reason at all with the original downpipes. No wonder its blowing, the pipe attached to the downpipe is not capped or connected.

The pipes are to get cooler air to the cats, so you will need to reconnect the 2 pipes.

Either way you cant leave them open, will affect, the running etc.. not to mention the noise and an MOT fail.

They are used to get cooler air to the cats, thats all i needed

so seeing as i have no cats i should just cap them again

thats a simple enough remedy if thats the case...

 

now... has anyone ever capped these before? because i certainly havent!! there stainless, so i gues i could just 'cut, fold and weld'

 

Should I cap all 4 open ends? as the other 2 werent before.. ?

 

cheers

 

Sky

Edited January 6, 201115 yr by Sky89

i couldn't unscrew mine from the exhaust, so i cut them right back, and did exactly the cut, fold and weld! just make sure it looks neat, or a nobbish MTO guy might winge... I didn't have those in the wing tho, (i had to buy a new exhaust centre section which had those pipes on, my old one didn't) but follow em through and remove accordingly i think?

You only need to cap the pipes on the exhaust. And put a bolt and tighten in the vac tube from the aiv, drivers side.

 

Cut, fold and weld or go to the plumbing shop and get some 22mm? pipe end caps.

heya, you've lost me with that last bit groover, what am I doing with a vac line from the aiv???

Cheers

 

Sky

The blue circle is around the aiv, you need to block this pipe off before the "T". I used a bolt and cable tie.

 

 

 

Have a read through this, will explain all about it.

 

http://s95014253.onlinehome.us/63104/137858.html