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Author Topic: Rattling noise  (Read 1918 times)

Offline 81lly

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Rattling noise
« on: October 19, 2011, 11:41:45 am »
I'm getting a constant rattling noise from the exhaust.. What could this be?  I have a video which I will upload later
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Offline W8 Performance

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Re: Rattling noise
« Reply #1 on: October 19, 2011, 12:02:29 pm »
It is probably the heatshield. Mine does it on my octavia and I had lost one of the fittings. I noticed it when I shut the rear door and it rattled. Climb under whilst someone shuts the door. Just an idea.
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Offline LouCyffer

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Re: Rattling noise
« Reply #2 on: October 19, 2011, 01:48:43 pm »
Or loose baffles inside the exhaust system. But my money is on the heat shield.
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Offline 81lly

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Re: Rattling noise
« Reply #3 on: October 19, 2011, 02:46:32 pm »
This is the video..

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Offline 81lly

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Re: Rattling noise
« Reply #4 on: October 19, 2011, 02:47:34 pm »
Quote from: LouCyffer on October 19, 2011, 01:48:43 pm
Or loose baffles inside the exhaust system. But my money is on the heat shield.
Quote from: W8 Performance on October 19, 2011, 12:02:29 pm
It is probably the heatshield. Mine does it on my octavia and I had lost one of the fittings. I noticed it when I shut the rear door and it rattled. Climb under whilst someone shuts the door. Just an idea.

So what do I need to do if it is the heatshield? Replace it?
It will be going on the ramps later on today to see what the problem is.
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Offline W8 Performance

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Re: Rattling noise
« Reply #5 on: October 19, 2011, 04:57:09 pm »
That doesn't sound very good. If it is the heat shield then you just need to clip it back into place. There are some serrated washers that grip a threaded pin that holds them together as they overlap if that makes sense. I had lost a washer and the two pieces of heatshield were vibrating and rattling.

That does sound a by more exhaust related though than mine did. Time for a Milltek?  :wink:
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Offline 81lly

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Re: Rattling noise
« Reply #6 on: October 19, 2011, 05:14:40 pm »
Quote from: W8 Performance on October 19, 2011, 04:57:09 pm
That doesn't sound very good. If it is the heat shield then you just need to clip it back into place. There are some serrated washers that grip a threaded pin that holds them together as they overlap if that makes sense. I had lost a washer and the two pieces of heatshield were vibrating and rattling.

That does sound a by more exhaust related though than mine did. Time for a Milltek?  :wink:

I have the Milltek  :happy2:
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Offline MAT ED30

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Re: Rattling noise
« Reply #7 on: October 19, 2011, 05:18:21 pm »
sounds like the welds have cracked or the cat has come apart inside just get under the car and give the cat a shake/tap and listen for a rattle inside the cat
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Offline 81lly

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Re: Rattling noise
« Reply #8 on: October 20, 2011, 03:03:14 pm »
Problem sorted.. It was the heatshield, exhaust knocking on the shield plus the washer rattling too. Exhaust has been slightly moved forward and tis all good now  :smiley:
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Offline W8 Performance

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Re: Rattling noise
« Reply #9 on: October 20, 2011, 07:22:06 pm »
Good news. Glad it's sorted :happy2:
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