Non-heat shield rattle - Nissan Xterra Forum
 
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#1 Old 10-31-2012, 08:15 PM
CanX
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Non-heat shield rattle

I'm getting some wicked exhaust resonance from the passenger side front between my rear cat and header. It can't be the heat shields because there aren't any left, they've all rusted away and been pulled out by me.

There's no exhaust leak so I'm at a loss for what could be resonating in that space. Initially I thought it was the wheel well plastic but that's all been secured. The shield over that rear cat is also gone.

I'm at a loss for what could be causing this resonance, but when it gets going it is LOUD! The problem started after some taking on some rough trails. Everything works otherwise.

Ideas???



Brad 2001 SE V6
PERFORMANCE: Volant CAI & PowerCore, Eco fuel-line catalyst, NGK Iridiums, Kiker wires, PCV condenser, full synth, tranny cooler, AC headers, Gibson exhaust, hi-flow cats, Z31 thermostat & IMS, Jet TBS
SUSPENSION: 265/75/R16 Goodyear Silent Armor, AC 3" suspension lift, IAB, Warn hubs, King Kong steering
ARMOUR: Shrocked, sliders, tail-light guards, braided brake lines
DOO-DADS: Scangauge II, PIAA headlights
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#2 Old 11-03-2012, 02:31 PM
cbxterra
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missing a bracket for the exhaust? maybe a bolt left from the heat shields? maybe someone else has a better idea
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#3 Old 12-12-2012, 10:16 PM
CanX
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Final verdict:

It was....the heat shields. Or at least what was left of them. The shield between the body and exhaust was the culprit.

I can hear again!



Brad 2001 SE V6
PERFORMANCE: Volant CAI & PowerCore, Eco fuel-line catalyst, NGK Iridiums, Kiker wires, PCV condenser, full synth, tranny cooler, AC headers, Gibson exhaust, hi-flow cats, Z31 thermostat & IMS, Jet TBS
SUSPENSION: 265/75/R16 Goodyear Silent Armor, AC 3" suspension lift, IAB, Warn hubs, King Kong steering
ARMOUR: Shrocked, sliders, tail-light guards, braided brake lines
DOO-DADS: Scangauge II, PIAA headlights
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