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Title: Vacuum probs? Post by mk1boy on Mar 26th, 2012, 10:38pm Hi, The other day, belting up a local hill, there was a sudden noise a bit like a gasket/exhaust blowing and power started to tail off. To cut a long story short, it hasn't got better on its own and, having had it looked at by a friendly mechanic, I'm none the wiser. The two rubber hoses that seem to come from a vacuum unit by the exhaust manifold had come off - when I put them back on again and revved the engine, they came off again! I can only assume they are something to go with the vacuum system because the car is absolutely gutless when on any incline but will run like normal on the flat. I have put new hoses on and they seem to stay fixed but this is the car's last chance - I told it that if it gave me any more trouble it would be appearing in the 'breaking for spares' section this weekend.... cheers |
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Title: Re: Vacuum probs? Post by gozz on Mar 26th, 2012, 11:08pm There is a fair chance your cat has collapsed,causing back pressure. |
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Title: Re: Vacuum probs? Post by Simmo on Mar 27th, 2012, 7:31am I agree with Gozz. There is a article on this somewhere on the site but I can't locate it at the moment. IIRC the fact that the hoses have blown off is a classic sign and the symptoms are exactly as described in Fault Finder. |
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Title: Re: Vacuum probs? Post by leewar on Mar 27th, 2012, 10:32am I had this trouble with the vacuum hoses blowing off and sure enough the cat was the problem. Changing it was the cure ;) Lee |
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Title: Re: Vacuum probs? Post by mk1boy on Mar 28th, 2012, 4:51pm thanks guys. I did take it to a local exhaust centre because it first sounded like the exhaust had blown and they looked underneath and said it was ok. There is also a high pitched squeky whistling noise whenever I accelerate - does that confrim the diagnosis? ps - a cat will be cheap, won't it :( |
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Title: Re: Vacuum probs? Post by Tompion on Mar 28th, 2012, 5:23pm Yes, sounds like it’s the cat. Have a look here for prices: http://www.cats-direct-shop.co.uk/ford-catalytic-converter.php?pageNum_Recordset1=8&totalRows_Recordset1=192 There’s ceramic or metal (dearer). Looks as though ones with H suffix are type approved (dearer). |
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Title: Re: Vacuum probs? Post by mk1boy on Mar 31st, 2012, 8:53am thanks for the link - cheaper than I thought! Hope that does the trick |
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Title: Re: Vacuum probs? Post by Scorpio_Mike on Mar 31st, 2012, 9:33am You only need to fit a Type Approved Cat [ i.e. more expensive :o ] if your car was first registered after 01/03/2001. |
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Title: Re: Vacuum probs? Post by 5stud on Mar 31st, 2012, 10:20am have a look on ebay natinalclearanecentre making £46 at the moment and its genuine not a mickey mouse one ther over £800 |
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Title: Re: Vacuum probs? Post by Mike H on Apr 3rd, 2012, 12:56pm on 03/28/12 at 16:51:14, mk1boy wrote:
::) These are the hoses for the pressure sensor for the EGR control yes? |
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Title: Re: Vacuum probs? Post by leewar on Apr 3rd, 2012, 1:42pm That's right Mike. Under pressure from a blocked cat they blow off :) |
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Title: Re: Vacuum probs? Post by Mike H on Apr 3rd, 2012, 4:05pm Probably just as well, like a "safety valve" ;D All seems to point to that then. NB: my ::) before was re: the exhaust fit people not thinking anything might be wrong with the cat because it looked OK from the outside. |
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Title: Re: Vacuum probs? Post by mk1boy on Apr 22nd, 2012, 9:54pm Hi guys, new cat fitted - problem solved! thanks for all your help. Had to take the exhaust manifold off to get at the bolts - now I need to track down a manifold gasket... :( |
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Title: Re: Vacuum probs? Post by Tompion on Apr 24th, 2012, 6:49pm The 2.3 exhaust manifold gasket part number is 7087454 |
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