Hey all, just a quick question before I hack my exhaust up tomorrow.
I've got this noise coming from under the car forsure. The entire exhaust looks really good and not rusty, but there is this loose change or bees in a can noise coming from under the car. Definitely around the cat / downpipe area.
just wondering if anyone else has run into this? I'm thinking the core in the cat is messed up or something like that?
Also, if I cut out the cat, I'm not going to have a spot to put my o2 sensor again. Obviously this will cause a check engine light, but it shouldn't cause any other issues correct?
I'm still not too used to German cars, more so the japs.
Last edited by Parademic; 05-10-2012 at 12:40 PM.
Last edited by Scotty_2.0; 05-12-2012 at 08:37 PM.
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Last edited by Parademic; 05-10-2012 at 04:29 AM.
As for the mounts, the exhaust system on this car, including hangers look damn near brand new, really clear underneath. Rained in Courtice today, so I will have to get at it tomorrow.
I know one of the heatshields, further down the exhaust, feels a little loose, but I didn't think it could cause much issue. I'd prefer it to be that over having to cut out my cat and weld in a pipe temporarily.
"Also, if I cut out the cat, I'm not going to have a spot to put my o2 sensor again. Obviously this will cause a check engine light, but it shouldn't cause any other issues correct?
I'm still not too used to German cars, more so the japs. "
First thing I checked was to make sure my halogen fluid was topped up, muffler bearings were second and then I checked the reverse transmission too. All good.
Another update is I removed all the heatshields that were close to the area where the noise is coming from (around the cat and that was one big ****ing heatshield), noise is still there, so I'm leaning towards the insides of the cat are messed. No real time at work to cut and reweld.
All you need to do is bang on the shell of the cat with the heel of your hand (or mallet if you're hand is fragile) and you'll be able to hear if the catalyst broken.
also check between the cat and resonator, there is a clamp bracket that is known for rotting. just replaced one yesterday on a golf i safetied. GL
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