1st gear thud
#1
Grand Chancellor
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1st gear thud
I was test driving an 05 GT today and from Neutral to 1st, there seemed to be a thud from the tranny or diff. I don't know. Is that normal? Other gears were fine.
#6
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mine does it as well. I'm chalking it up to 'quirks of the car'
#8
Grand Chancellor
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How would I be rushing to shift when it is from N at a standstill while waiting on the light? i'm gonna try another rx-8 to confirm.
#9
Wanna touch my wankel?
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I noticed that too. But it only happens once after I've come out of a high gear into neutral. It doesn't make the noise after I go 1st, N, 1st, N. I've also noticed sometimes while I'm driving it can be hard to go into first from N
#10
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Originally Posted by delhi
How would I be rushing to shift when it is from N at a standstill while waiting on the light? i'm gonna try another rx-8 to confirm.
FYI: The transmission mainshaft is turning when the clutch is engaged (i.e., pedal out) in neutral. (Listen for the sound of the shaft "rattling" against it's bearings in a quiet area.) So when you push in the clutch pedal (disengage the clutch) it takes a bit of time, like a second or less, for the main shaft to spin down. If you shift before that happens, you can get a crunch, thud or whatever you want to call it.
#11
Grand Chancellor
Thread Starter
I hear you go48. It just felt strange. I know it happens to my other cars if I shift fast during autoX, which I attribute to differential shock (Subarus & miata), but never while putt-putting on the streets.
Will changing the tranny oil to synthetic help?
Will changing the tranny oil to synthetic help?
#14
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Originally Posted by delhi
Will changing the tranny oil to synthetic help?
#15
the WANKEL made me do it
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Mine does that before I even put it into 1st gear. Right as I begin to slide it into first gear it thuds. Been doing it for 35K miles and it hasn't got better or worse. So I figure it has to be normal. Also changed to Redline fluids 15k Miles ago and no difference.
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