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Bad Cat/s??

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Old 01-27-2006, 10:24 AM
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Default Bad Cat/s??

I don't put a lot of miles on my car but the other day when I started it I heard this faint rattling noise........over the course of the next 36 hours it has grown to a full blown ugly sound, similar to a pebble rattling around in an empty coffee can or what it might sound like if my heat shields were rattling against something.......but since I don't have those on there anymore, I know it isn't that.

I can barely hear the sound when I pop the hood and try to listen but it does get very loud when I walk around the car and get to about the middle of the car, driver's side back to the left rear wheel well.......someone suggested that my cat went bad. Any other suggestions or agreements with that one?

Also the sound does NOT change or get better or worse with a change in RPM, I usually hear it most upon initial start-up and at idle at a stop light or as I am just taking off in 1st gear, etc. I can faintly hear it while I am driving (most of the time) but it seems to be at it's worst when I start up the car.

TIA.
Old 01-27-2006, 10:49 AM
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Muffler Bearings?


Sounds like a cat to me. If it was piston slap (or other engine problems) you'd hear it more when you opened the hood. If it was the exh hitting, you hear it worse when you let the clutch out
Old 01-27-2006, 11:10 AM
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Originally Posted by WAHUSKER
Muffler Bearings?
Do I need to refill the fluid in my blinkers as well?

Sounds like a cat to me. If it was piston slap (or other engine problems) you'd hear it more when you opened the hood. If it was the exh hitting, you hear it worse when you let the clutch out
Someone suggested it might be a loose tq arm or something but the noise isn't like something is loose, just more like a tinny, rattling sound.
Old 01-27-2006, 11:30 AM
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Yeah deffinately the Muffler bearings man

From what you are saying it sounds like a cat. You have stock exhaust? If so I have a cat
Old 01-27-2006, 11:36 AM
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Originally Posted by TwoFast4Lv
Yeah deffinately the Muffler bearings man

From what you are saying it sounds like a cat. You have stock exhaust? If so I have a cat
Custom true duals. Need to get them re-worked anyway since they scrape a LOT & hang WAYYYY too low. Just didn't wanna spend the $$ right now.

But thanks just the same.
Old 01-27-2006, 01:58 PM
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yeah, if they're scrapping, that may have been the cause.
Old 01-27-2006, 02:54 PM
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The fix for the problem is a trusty crow bar and about 15 minutes
Old 01-27-2006, 04:06 PM
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With the car turned off take a rubber mallet and bang on the cat. That'll tell you much
Old 01-27-2006, 08:07 PM
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Originally Posted by Ackattack1
yeah, if they're scrapping, that may have been the cause.
There is one particular driveway entrance that I have been using for a nearby store since I moved to my new house that scrapes the crap outta them........maybe that helped accelerate their downfall?
Originally Posted by Poik
The fix for the problem is a trusty crow bar and about 15 minutes
If you saw my exhaust I don't think that would be your response.
Originally Posted by Racehead
With the car turned off take a rubber mallet and bang on the cat. That'll tell you much
DAMN!! Good idea, why didn't I think of that, I luv to bang with hammers and stuff.

Seriously, thanks, I will put her up on the ramps tomorrow and see........it was weird, when I went to the gym today......no noise at startup and almost no rattles at all the entire trip.......coming home was a whole other story though...
Old 01-27-2006, 08:10 PM
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Yeah 15 minutes* (after you get them off the car)
Old 01-28-2006, 10:04 AM
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Originally Posted by Poik
Yeah 15 minutes* (after you get them off the car)
15 minutes after they are off the car, they will be rat bait.
Old 01-28-2006, 01:30 PM
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Originally Posted by Rottluver
15 minutes after they are off the car, they will be rat bait.
Crap. That means I get them?
Old 01-28-2006, 04:13 PM
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Originally Posted by GEARHED
Crap. That means I get them?


Wait, why? You got rats?



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