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Mack M drive shift noises


Ausmack1

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On 4/20/2023 at 10:51 PM, fjh said:

Not usually ! The back section kit is the way to go as shown there! We saw a fair few failures specially with 2 speed reverse  enabled ! There inlies my recommendation to dis able or not use on the fly! I have seen that syncro cone ripped to shreads on one occasion! It is amazing thou how stronge the trans is when you see the inside as Pro mentioned! aside from that syncro! not that many mechanical issues otherwise just the electrics !

My one dosnt seem to change into second gear in reverse unless i press the + button. But i have done it before while moving (before you gave me the information that its not good to do) and it didnt make any noise like it dose form 6 to 7 in drive

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1 hour ago, Ausmack1 said:

My one dosnt seem to change into second gear in reverse unless i press the + button. But i have done it before while moving (before you gave me the information that its not good to do) and it didnt make any noise like it dose form 6 to 7 in drive

It just contributes to compromising an already week link is all it’s not written down anywhere however if you study the working of this trans it becomes quite clear that it could help to damage the synchro shorten it’s life somewhat!

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Ausmack1, There's a Company over in Perth who Specialize in I Shift M Drive Transmissions. who Fit an Upgraded (I think aftermarket European) Syncro Kit to them.

 

https://perthtrucktrans.com.au/volvo-i-shift

 

 I've never dealt with Them but have only heard good Things about them.. & as everyone Knows Bad news travels faster than Good News..

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