Volvo 780 2007 #495,800 miles with 3.55 rear end, 10 speed trans.
My I-shift trans is making noise in tenth gear only, the rest of the shifts are fine, the noise comes when I lift my foot off the fuel pedal, #like going down an hill, the trans makes an rumbling noise, if I remove my foot from the fuel pedal completely or push the pedal down for more power the noise disappears, to me it feels like a throw out bearing or a clutch is wearing. #Also the clutch pedal engages right at the top of the Stroke, there's is no free play in the clutch, the Volvo dealer said, thats how all the I-shift clutches are set up.
I was just wondering do I have a problem with the trans or the clutch I'll like to get this fixed before it's an real problem.
Any help would be great.
I-shift noise
Discussion in 'Volvo Forum' started by v6killer, Aug 3, 2011.
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Same think happened on my 07 and it's probably not the tranny. Get out and see if your air bags are filling up. They probably aren't and it's a leveling valve that is the problem. Without the air bags filling up it puts the drive shaft in a bind and makes the noise. Get it fixed ASAP and don't drive far on it if this is the case or you could have HUGE problems.
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one bad gear ore bearing inside tranny may be noisy.
IGOR-UA Thanks this. -
I was think of Motorkote or some thing else. -
But really I cant be sure what is wrong when I cant inspect tranny myself. Look for good tranny technician....IGOR-UA Thanks this. -
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may be it is DS disballance.....
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I still have the noise like I had before, but not like today.
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