So after hours of searching, i'm down to asking everyone about this. I have an odd rattle coming from my front end (mostly the left front)in my tC during moderate acceleration. I checked the cat heat shield and it all seems to be tight. Could it possibly be a blown axel or maybe even my tranny? Any help with this would be appreciated. Thanks

 

do you have an intake?

 

i do. do you think it's the mount down under the bumper?

 

the intake might be rubbing fender where it goes through or maybe hitting the splash guard

 

i honestly doubt it has anything to do with the intake. its more of a metalic clicking noise that only happens when the car is in gear accelerating. if i just sit there and rev it, i dont get the sound. nor do i get it if i shut the car off and coast. its pretty frustrating...

 

dumb question but do you have a header? cuz i have something similar that's started lately and i'm almost thinking its my cel eliminator being loose

 

no man i dont im runnin the stock one. maybe we're in the same boat sadly ha

 

i have the same problem and have no idea what it is

 

Does it happen even when you coast in gear?

 

Id say check if everything is in order with your radiator frame, maybe rubber padding got loose on top or bottom?

 

i have a similar rattling problem... but for me it only does so right under 1k rpm... whether im in neutral or in gear. im thinking its coming from the header or possibly the downpipe, as vibrations may be caused only at a certain rpm. ive been convinced its some part of the exhaust so i havent looked much into it nor have i cared to have it fixed. its been rattling for about two years now... no problems really :?

well let us know if you ever find out what it is... im quite curious

 

Does this happen through all gears or just 1 or 2? 5 speed manual or AT? Need more info. If it's 5spd, and rattles when u accelerate and NOT in netural, throwout bearings on tranny. try accelerating and then press in clutch and move to netural. if noise goes away while coasting, throwout bearings. (i think that's right....)