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Discussion Starter #1
Hey everyone. I have an 03 gt and it has recently started shuttering under load but clears up after I get the Rpm up. Any guesses?
 

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Plugs or cops? Does it feel like the motor is running rough or misfiring? Also manual or auto?
 

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When u say shudders does it feel from the rear of the car or front. It could be what happened to me was i was low on diff lube and it shuddered when i got on it a bit or normal driving at times.
 

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Mine did the same thing. After changing everything it ended being the trans mount . It would vibrate even sitting still.
 

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Discussion Starter #5
I thought it was the clutch so I changed it. Fortunately the clutch was worn out but that didn't fix the prob. It happens in 2nd thru 5th if rpms are low and under load. It feels like it is coming from the back but I can't be sure.
 

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I would check ur differential fluid ur probably low on it. Mine did it and i refilled it
 
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