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Few niggles (Read 874 times)

cipher

Junior Member

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Posts: 167
Derby
Gender: male

Few niggles
11. Aug 2006 at 13:12

After sorting the DIS pack, I now have to worry about a few other issues.

- There is a rattle from the exhaust. Present when you rev it or back off the throttle. Sounds like its from the downpipe/cat area.

- There is a loud knocking/heavy tapping noise coming from the engine. Mark, its the same noise that you heard. It just never goes away. If anything its got worse.

Mark....PM Sent regarding another issue.

Breaking a 1996 'N' 2.5 V6 Omega
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nixoro

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Hitchin, Herts
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Drives: 56 Plate - Zafira 1.6

Re: Few niggles
Reply #1 - 11. Aug 2006 at 13:18

cipher wrote on 11. Aug 2006 at 13:12:

I had a similar thing on mine I thought it was coming from the front but I found out the centre join where the CAT meets the centre box was vibrating madly against a loose heatshield, worth checking both Heatshields under your CAT(S)

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cipher Junior Member Offline Posts: 167 Derby Gender:	Re: Few niggles Reply #2 - 11. Aug 2006 at 13:22 TBH, it does sound like that sort of rattle. Like a thin sheet metal rattle. Will get her up the stands and have a look.
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Marks DTM Calib Administrator Offline Ex Member Posts: 25671 Northern Hemisphere Gender: Drives: Astra J, Mum Bus, Dexta Tractor, 108 DMU wip	Re: Few niggles Reply #3 - 11. Aug 2006 at 13:42 Loose heatshield is the favourite for the rattle, a nice big jubilee clip around the base of the heatshield normaly does the trick.
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cipher Junior Member Offline Posts: 167 Derby Gender:	Re: Few niggles Reply #4 - 11. Aug 2006 at 13:52 is that the downpipe heatsheild? Mine is very battered, keep grounding it whenever I come home.
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JasonH Senior Member Offline Posts: 953 Bristol Gender:	Re: Few niggles Reply #5 - 13. Aug 2006 at 10:19 There are also two heatshields (top and bottom) each side around the manifold. They appear to rot around the mounting bolts and become free. A few washers will solve the problem.
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