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hey guys i have an issue with my 4wd system and i want to get it working. Since i got the car its been in 2wd mode. I did some reading up and i noticed the tank in the back was empty so i topped it up, the 4wd would work in the air/ on a hoist, but when you drop it the ground it didn't work. I bleed the system from the little nipple under the car and disconnected the bleed connector in the right hand side as well when i did this.

After doing this the 4wd still didnt work and it lights up 4wd and ABS. I found when i took off the bleed connector you could hear the pump whine, and the front torque display 10, when i drove it would drop to 0 and when i gave it a hit, it would increase but not reach 10. When i come to a complete stop it would go to 10 again and you could hear the 4wd pump once again.

When i connect the bleed connector, i am back to square one. So if anyone knows who could help me out, or anyway of helping me that would be great. Thanks.

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Don't leave the white plug disconnected for any length of time or you'll fry the attessa pump. Check the flashing red LED on the attessa computer under the rear parcel shelf as suggested and if you don't have a w/shop manual post up the code it's flashing. It's normal for the front wheels to turn when the car's in the air without the attessa being actuated.

  • 3 years later...

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