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Hi all, My Legacy (2005 sedan 2.0i 4AT - 121,000 km) seems having torque binding, it does a grinding noise and shuddering only when turning at low speed in parking slots, especially when I release the accelerator and the car goes by inertia. Also recently seems slightly less powerful, or having a sort of engine brake effect all the time, like if I'm dragging one of the 2 axels. By fitting the FWD fuse the torque binding disappear, so I assume it's the central diff (multi-plate clutch pack on my 4AT transmission) binding up in tight turns. In FWD the car has more inertia and feels running smoother. Also I noticed that the front tyres are more consumed in comparison with the rear ones (all 4 are the same brand and model), so apparently they were not rotated with the last service 3,000 km ago (I'm quite pissed by the overall quality of the last service anyway). Can this cause the axel-dragging effect, over-sollecitating the central diff all the time and heating up the fluid, causing the torque binding as result? The transmission has been flushed with the service, and an additive has been added (this improved the situation slightly). But then I just found out the transmission was considerably overfilled, probably by more than a liter, and I drained some fluid yesterday, but no improvement. Is it possible that too much fluid caused overpressure, damaging the parts including the central diff? I'm going to ask a new mechanich (maybe Winger?) an opinion, but I have the feeling that they will ask me about 1k$ just to inspect the transmission. I'm wondering if just by getting 4 brand new tyres all of the same size the problem could disappear, or the parts are definitely worn out and need replacement. Also I heard of a place called Kaspa Transmissions, apparently they are specialised in transmissions and differentials, and they advertise they usually work with insurances (I have a 2 years warranty on major breakdowns). Anybody has a feedback about this place? Any suggestions of a mechanich on the north shore in Auckland? Any opininon about the problem itself? Possible different diagnosis? Thank you Raff
