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Thermal 3” rattle

LuxST

LuxST

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Had my Thermals 3” installed recently. Been working hell of a lot so mostly my wife been driving the car and I haven’t gotten to mess with it. She says there’s a rattle on a cold start, not long, then goes away. I’m going to tackle it when I get time off. I would like to get a head start and wondered if people had the same issues with rattling on cold start or just when you start the car. Where are some places I should look? P.S. had a bad experience with the shop cause they did a terrible job. They installed Downpipes and took them 8 hours to do. Even left a O2 looses and wiggling which triggered a CEL. Had to tighten it down myself and clear CEL. Fingers crossed that was the problem lol
 

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LuxST

LuxST

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I narrowed it down to the hanger brackets at the rear bumper. If I put pressure on the exhaust upward slightly it will stop. What can I do to the brackets to help reduce the noise?
 

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Diamondave

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LuxST said:
I narrowed it down to the hanger brackets at the rear bumper. If I put pressure on the exhaust upward slightly it will stop. What can I do to the brackets to help reduce the noise?
Click to expand...
I read somewhere...... reversing the hanger brackets Left to Right on installation will prevent a rattle
 

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LuxST

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Diamondave said:
I read somewhere...... reversing the hanger brackets Left to Right on installation will prevent a rattle
Click to expand...
Interesting. :unsure:
 

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LuxST

LuxST

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Diamondave said:
I read somewhere...... reversing the hanger brackets Left to Right on installation will prevent a rattle
Click to expand...
I tried it today. It won’t work cause they won’t line up with the holes. Was worth a shot though.
 

UGADawg96

UGADawg96

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Check this video around 15min in. He talks about the issue:


1727721904808.png
 

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LuxST

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That’s exactly how they were set up. Pushed all the way up making the noise. I just need to figure how to adjust them. Good video thanks
 

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LuxST

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UGADawg96 said:
Check this video around 15min in. He talks about the issue:


View attachment 25452
Click to expand...
Do you or anyone know what would be the best way to adjust those hangers without taking the whole exhaust off?
 

UGADawg96

UGADawg96

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LuxST said:
Do you or anyone know what would be the best way to adjust those hangers without taking the whole exhaust off?
Click to expand...
No idea, not my vid
 

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ridered74

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LuxST said:
I tried it today. It won’t work cause they won’t line up with the holes. Was worth a shot though.
Click to expand...
Gotta crack the locator tabs off the hangars to reverse them. Chisel and a well placed hammer blow should do the trick.
 

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LuxST

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ridered74 said:
Gotta crack the locator tabs off the hangars to reverse them. Chisel and a well placed hammer blow should do the trick.
Click to expand...
Yeah that’ll have to be the way to do it. What do I do about re-applying them when I get them out? Glue or are you able to hammer it back in? lol
 

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ridered74

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LuxST said:
Yeah that’ll have to be the way to do it. What do I do about re-applying them when I get them out? Glue or are you able to hammer it back in? lol
Click to expand...
Once the tab is off you just bolt the hangar back on.
 

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LuxST

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ridered74 said:
Once the tab is off you just bolt the hangar back on.
Click to expand...
Ok I think I was getting confused on what the “locator tab” is. It’s the top piece that just sits up top? Above the bolt? Sorry, it’s been a long week due to the hurricane, 7 days no power. My brain is fizzled lol
 

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ridered74

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LuxST said:
Ok I think I was getting confused on what the “locator tab” is. It’s the top piece that just sits up top? Above the bolt? Sorry, it’s been a long week due to the hurricane, 7 days no power. My brain is fizzled lol
Click to expand...
Yep the part that slides up into the frame.
 

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momst

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LuxST said:
Do you or anyone know what would be the best way to adjust those hangers without taking the whole exhaust off?
Click to expand...
Not sure if you already fixed this but you should be able to just unbolt the mufflers to hang down a bit and undo the hanger bolt and adjust the way it sits on there so its not touching the green part, we just installed our thermal and came across the same issue, its do able without breaking the tabs off.
 

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LuxST

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momst said:
Not sure if you already fixed this but you should be able to just unbolt the mufflers to hang down a bit and undo the hanger bolt and adjust the way it sits on there so its not touching the green part, we just installed our thermal and came across the same issue, its do able without breaking the tabs off.
Click to expand...
yeah I already did them, the hard way lol thanks for the input.
 

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