Haldex AWD vibration jumping

reeq · Jun 16th, 2023, 23:24

Hello all forum users,
i have a big problem with my Volvo S60 2012 haldex 4th..
I've had a vibration/jumping problem on tight turns for some time now.

It started in the winter when I couldn't move in heavy snow because the drive only worked on the front end and after a few miles I turned the car off and on and the drive came back. However, to this day, sometimes it works sometimes only after a while.
I disconnected the fuse from the internal box and the vibration/jumping stopped.

Currently, the drive spins even in neutral and rolls down, and the torque requested by awd was 0 (checked with a computer).

I tried to remove the haldex pump, but it is very badly baked (maybe someone has some advice on how to remove it and not damage it), so I suppose that the oil may have never been replaced.

Thank you very much to everyone for advice and help and suggestions!

Jun 16th, 2023, 23:24	#1
reeq New Member Last Online: Jan 5th, 2024 16:27 Join Date: Jun 2023 Location: Warszawa	Haldex AWD vibration jumping Hello all forum users, i have a big problem with my Volvo S60 2012 haldex 4th.. I've had a vibration/jumping problem on tight turns for some time now. It started in the winter when I couldn't move in heavy snow because the drive only worked on the front end and after a few miles I turned the car off and on and the drive came back. However, to this day, sometimes it works sometimes only after a while. I disconnected the fuse from the internal box and the vibration/jumping stopped. Currently, the drive spins even in neutral and rolls down, and the torque requested by awd was 0 (checked with a computer). I tried to remove the haldex pump, but it is very badly baked (maybe someone has some advice on how to remove it and not damage it), so I suppose that the oil may have never been replaced. Thank you very much to everyone for advice and help and suggestions!

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