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Exhaust... knocking
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Topic: Exhaust... knocking (Read 3831 times)
rocore
Members
Posts: 76
Exhaust... knocking
«
on:
January 21, 2009, 06:48:26 pm »
Changed the rear exhaust bungee last week as the old one was nearly worn out and stretched... Now the new one is on the exhaust knocks on the bottom of the car when going over bumpy ground... Seems as though the mid section is flexing? but its not blowing anywhere?!
Not a huge issue but one of those little things that really grind you down!
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supercharged spaniel
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Posts: 1034
GRRRRRRR
Re: Exhaust... knocking
«
Reply #1 on:
January 21, 2009, 07:38:13 pm »
have you still got the little bump stop in between the two back exhaust hangers?
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rocore
Members
Posts: 76
Re: Exhaust... knocking
«
Reply #2 on:
January 21, 2009, 07:54:56 pm »
yep, still there. Seems like it is flexing in the middle... just below handbrake area...
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PeteG40
Administrators
Posts: 4037
Housewives heart throb
Re: Exhaust... knocking
«
Reply #3 on:
January 21, 2009, 09:11:02 pm »
has middle rubber gone??
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scotsjohn
Members
Posts: 967
Probably the oldest G driver in the Universe.
Re: Exhaust... knocking
«
Reply #4 on:
January 21, 2009, 09:40:00 pm »
What diameter are you running? Clearances get pretty critical at the 60mm mark.
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rocore
Members
Posts: 76
Re: Exhaust... knocking
«
Reply #5 on:
January 22, 2009, 08:35:38 am »
Running standard system at the moment. Think i need to get the car up and have a proper gander underneath.
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G40supercharged
Members
Posts: 238
Re: Exhaust... knocking
«
Reply #6 on:
January 22, 2009, 08:44:23 am »
Check the joint between the catalyst section and the middle section. This sits just above the transmission tunnel brace. The exhaust clamp at the joint can hit the brace as the engine moves.
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rocore
Members
Posts: 76
Re: Exhaust... knocking
«
Reply #7 on:
January 26, 2009, 08:34:04 am »
Believe it or not.... All the problem was, was the U-bolt connector was put on upside down and knocking like hell.
Turned round, problem solved and its like driving a different car!
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Exhaust... knocking