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Old Dec 21, 2009 | 04:12 PM
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noise

Hello all....03 Expy just started hearing a ticking noise under the hood and it seems to be coming from the right side of the engine compartment.Could this be somethin other than a rod?Any help would be greatly appreciated.
 
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Old Dec 21, 2009 | 06:29 PM
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Exhaust leak from manifold.
 
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Old Dec 22, 2009 | 06:28 AM
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cool hope that is all
 
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Old Dec 22, 2009 | 07:07 AM
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Mine just started doing the same thing. The other possibility is a spark plug working its way loose. Since mine is due for plugs, I will be replacing those this weekend for good measure.

Most like the exhaust manifold though. I wouldn't get too excited about it though, looks like a serious PIA to replace.
 
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Old Dec 22, 2009 | 07:27 AM
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If you end up doing a manifold, you might as well do headers.
 
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Old Dec 22, 2009 | 10:48 AM
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My quick bit of research this morning says that the job can be a pain. However, removing the innner fender liners provides decent enough access to the manifolds. That and the cost of a set of shorties from Summit at ~$150 will probably take me down the road to a set of headers for my truck.
 
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