03 Cobra Drive-Train Clanking

03blkcobra

New Member
May 23, 2003
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Low RPM, any gear, if I go on and off throttle the clanging in the drive train sounds like bad u-joints on a '64 rambler. Makes it very difficult to heal/toe without clanking. Had a '98 cobra and several mustangs prior with nothing like this happening. Sounds like occuring in clutch/plate area.

Dealer says "normal" and we test drove other 03's with same phenomenon. He showed me a ford service bulliten saying this was normal.

Has anyone found a fix. Or is this not a problem on your 03/04 cobra?
 
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Uuuuumm if an older car is doing it your ring and pinion has to much slop. Now a brand new Cobra will do it because it has 2 times as many universal/CV joints. If you have that many "joints" to take the slop out of, the drive train is going to clunk.

To make the clunk go away>>>> Put a solid rear in the car.

Later
Jason
 
Sounds like the D/S to me. I know there were some issues with them at the parts plant(which I happen to work at, but have nothing to do with that area anymore-SORRY!). Could be a bad pinion or carrier bearing though too. I know that some times you can get a bad one from the factory. Take it back to the dealer and have them check it out before you damage anything worse than it is!
 
I think it is because of our heavy drivetrain parts. Once I swapped to an aluminum flywheel and driveshaft my clunk stopped.

I was also told by Ford it was normal.


03blkcobra said:
Low RPM, any gear, if I go on and off throttle the clanging in the drive train sounds like bad u-joints on a '64 rambler. Makes it very difficult to heal/toe without clanking. Had a '98 cobra and several mustangs prior with nothing like this happening. Sounds like occuring in clutch/plate area.

Dealer says "normal" and we test drove other 03's with same phenomenon. He showed me a ford service bulliten saying this was normal.

Has anyone found a fix. Or is this not a problem on your 03/04 cobra?
 
It's very normal, IMHO... My 85 GT was like that, 99 GT the same, 2002 with an auto (tired of shifting, so I thought) wasn't as noticable due to the torque converter... and the 03 cobra has it too... not as noticable.

Again, I don't claim to be an engineer, just giving my experiences.
:)