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post #1 of 6 (permalink) Old 12-14-06, 02:16 PM Thread Starter
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Question 95 Mondeo - Rattling & Hissing

Hi

I started to hear a rattling/banging noise under the car some weeks ago and the car has now started making a rather loise hissing noise when accelerating (not idling). The car has a distinct lack of power and sounds almost as loud as a Subaru.

What could be wrong with it?

Is the repair DIY do'able?

Thanks

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post #2 of 6 (permalink) Old 12-14-06, 02:23 PM
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Re: 95 Mondeo - Rattling & Hissing

Sounds like part of the exhaust may have fallen off. Take it in to your nearest centre.
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post #3 of 6 (permalink) Old 12-14-06, 02:38 PM Thread Starter
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Re: 95 Mondeo - Rattling & Hissing

I intially thought so as well, however I've been under the car and it's all secure and shows no sign of deterioration. The hissing sound is actually coming from the front (sorry, my post was not clear) whilst the rattling remains underneath.

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post #4 of 6 (permalink) Old 12-15-06, 10:28 AM
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Re: 95 Mondeo - Rattling & Hissing

Ah! In that case, I suspect the cat. has broken up and is partially blocked, the hissing will be exhaust gases escaping via the 'o' ring at the front.
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post #5 of 6 (permalink) Old 12-15-06, 03:55 PM Thread Starter
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Re: 95 Mondeo - Rattling & Hissing

Thanks for the help.
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post #6 of 6 (permalink) Old 01-21-07, 05:16 PM
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Re: 95 Mondeo - Rattling & Hissing

this can also be caused by a clogged cat converter.... if its coming from the front check the bank 1 or it could be the inline converter, these cars have 3 1 for cyl 1-3 and one for 4-6 then one inline right below the firewall. on the 4 cyl the cat is right up front and big.
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