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Discussion Starter #1
stand alone haldex controller for mk2 swaps for sale

i have a 4 motion controller for sale. it is brand new in box never installed.
i bought it for my mk2 haldex swap but have sinced parted out the project.
bought it for 1300.00
i took the bubble wrap off to night for the fisrt time ot take the pics
i am asking 1200+shipping obo.
Function description off the 4-motion controller.
Basic functions:
the 4-motion controller is to activate the motor inside the haldex unit to close the pressure valve
so the clutch's inside the haldex unit will be activated and the power off the engine will be transferred to the rear wheels.
Brake function (safety)
When the brake is pressed, the haldex unit is deactivated! to ensure normal operation off the abs system.
When the brake is released, the haldex unit will be activated again.
Handbrake function (safety)
When the handbrake is used, the haldex unit is deactivated! For safety.
When the handbrake is released, the haldex unit will be activated again.
Oil temperature haldex unit (safety)
The temperature off the hydraulic oil is monitored with a sensor.
When the temperature gets above 100C the haldex unit is deactivated!
When the temperature drops below 100C the haldex unit will be activated again!
Extra:
The display also shows the highest reached temperature off the hydraulic oil.

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There are different modes possible: S1ON/OFF/S2ON
Mode 1 switch to the left! S1 ON
The haldex unit will be active 100% meaning a power distribution off 50%/50% to the front and rear wheels.
DELAY:
The time needed to activate the haldex is adjustable from 1 to 20Ms
The black button counts down (-1) and the red button counts up (+1).
The brake function will be active!
Responding when you press the brake by deactivating the haldex unit.
And by activating the haldex unit when you release the brake!
The handbrake function will be active!
Responding when you use the hand brake by deactivating the haldex unit.
And by activating the haldex unit when you release the hand brake!
Monitor the hydraulic oil temperature off the haldex unit
the temperature off the oil inside the haldex unit will be monitored.
then the microcontroller will open ore close the pressure valve a little bit more ore less to get the best oil viscosity.
(still testing for best results)
temperature oil viscosity pressure valve
lower than 20C high opened little more
20C normal normal
higher than 20C low closed a little more

When the oil temperature reaches 100C the haldex unit will be deactivated!
When the oil temperature drops bellow 100C the haldex unit will be activated!

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Mode 2 switch to the right! S2 ON
The haldex unit will be active 0% to 100%
Meaning a adjustable power distribution off :
100% to 50%(front)
0% to 50% (back
Power distribution:
You can adjust the power distribution by pressing the red ore black
buttons to increase ore decrees the percents shown at the display.
0 = off 10 = 10% 20 = 20% 30 = 30% 40 = 40% 50 = 50%
60 = 60% 70 = 70% 80 = 80% 90 = 90% 100 = 100%
Delay:
The time needed to activate the haldex is adjustable from 1 to 20Ms
The black button counts down (-1) and the red button counts up (+1).
The brake function will be active!
responding when you press the brake by deactivating the haldex unit.
And by activating the haldex unit when you release the brake!
The handbrake function will be active!
responding when you use the hand brake by deactivating the haldex unit.
And by activating the haldex unit when you release the hand brake!
Monitor the oil temperature off the haldex unit
The temperature off the oil inside the haldex unit will be monitored.
Then the microcontroller will only deactivate the haldex unit when the oil temperature reaches 100C!
When the oil temperature drops bellow 100C the haldex unit will be activated!
basically by pushing button 3 and 4 you can increase ore decrease the % from 0% to 100%
and the microcontroller applies the needed pressure to activate the haldex clutch's.
This also influences the viscosity off the oil., that's why the microcontroller only does that in mode 1.

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The lcd display!
On the lcd display we can see the status off the haldex unit!
What mode we are in : (OFF/S1ON/S2ON).
If the brake is pressed : (BRAKE)
If the handbrake is used : (HBRAKE)
The temperature off the hydraulic oil : (20.5C)
If temperature gets higher then 100C : (TEMP!!)
Oil reached: highest temperature reached! (max.C)
These units are no longer being produced.
Here are some pics. this is a,plug and play setup.





















Modified by shortshiften at 7:12 PM 9-20-2009


Modified by shortshiften at 7:26 PM 9-20-2009
 

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Discussion Starter #3
Re: (PTTM)

it came from over seas. i got ti through a connect here in the states. its a custom mad set up that lets you use only the hand brake input to run the system so you dont have to run the whole wiring harness from the r32 or the tt. if you didnt use this and tryed the swap you would need wheel speed imputs and a whole bunch of other crap, i even thing windshield wiper speed was taken into account.
 

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Re: (Jeebus)

You can't move power to the rear only unless is it disconnecting the front diff otherwise the power take-off is 1:1 so no biasing up front. The kit is probably capable of working in cars where this is possible as well as cars with Haldex such as VW. Subaru cars use a system similar to Haldex or is for all I know but it works with a 50:50 split and will move power to either end but it is designed to work like this and VW's are not.
 

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Discussion Starter #6
by 100% rear it means sending 100% of the power avaible to the rear. since the front diff is a single out put ratio, the haldex applies a certain amount of pressure to the clutches and that in turn is how much power is put down. kinda confusing.
the main point of this control is that you only need and input from the ebrake and no other system, which makes it ideal for swap into cars with no abs and such.
cheers.
E
 

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Discussion Starter #9
didnt know thay were still being produced. the guy i bought it from said that this was the last shipment that he was sending over
regardless i need this thing gone. no resonable offer refused
 

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Discussion Starter #11
yea still up for sale. i sent you a pm. i need ot know where in the uk and what your offer is. i need this thing gone so im open to an offer. please pm me you email so we cna comunicate directly through that. that is if you are serious
 

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Does anybody else have this controller? I have it and installed it the way it was labeled and it's not working correctly and want to ask some questions
 
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