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C4 Gearbox Help(Non Skyline Though)

SargeRX8
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SargeRX8 Grand Master

SargeRX8

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Posted (edited)

Hey guys.

I know its not a skyline but I'm sure there is someone here familiar with them. We've got the C4 box with B&M shifter. It was all working fine until now. When you put it into reverse it doesn't go. The wheels are locked. 1, 2 and drive are fine. Reverse won't reverse and sometimes neutral also acts as a drive gear.

Any idea what could be up with this? Could it be the adjustment on the shifter is out or internal box issue? Does anyone know any reputable service centers for these kind of gearboxes?

Cheers

The box was rebuilt to support the power the car was making.

Edited by SargeRX8
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https://www.sau.com.au/forums/topic/365367-c4-gearbox-helpnon-skyline-though/
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RS4-S Proficient

RS4-S

Posted
Posted

mate had a similar problem with his VN commodore powered rodeo with a B&M. i put the rear on stands, disconnected the shifter and changed the gears at the box and all was fine. needed to adjust the cables at the shifter, obviously ripping on them all day they are going to stretch out of adjustment.

SargeRX8 Grand Master

SargeRX8

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Nothing had been changed and it was on there since we bought the car. I too suspect the adjustment is off. Ive never dealt with this kind of stuff before and worried if I pull it off, the shifter that is, I might have issues putting it back on.

We diagnosed it by putting the back on stands as you did but we didn't attempt to change gears on the box directly. We shall give that a go and hope its the problem.

turboedsloth Grand Master

turboedsloth

Posted
Posted

You have an internal problem by the sounds of it, on KEAS's website they list Craigs Automatics in sydney http://www.keas.com.au/ i've never dealt with them but my old workshop SWAT does work for KEAS so they (craigs) must be ok

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