Skoda Workshop Service and Repair Manuals > Octavia Mk2 > Power transmission | Gearbox 02Q | Final drive, differential, differential lock | Electrical/electronic components and fitting locations for the Haldex coupling | Removing and installing the four-wheel drive control unitJ492 (final drive "0BR")

Install

Installation is performed in the reverse order, pay attention to the following points:

–	Replace gasket rings -1...4- → Electronic Catalogue of Original Parts.

Note

The valve gasket rings have different inner diameters.

t	Inside diameter of gasket ring -1- is 10 mm

t	Inside diameter of gasket ring -2- is 11 mm

t	Inside diameter of gasket ring -3- is 12 mm

t	Gasket ring at valve body -4-

–	First moisten the gasket ring -1- with high efficiency oil for Haldex coupling and position onto the control valve for opening degree of coupling -N373-.

Then mount the gasket rings -2…4-.

Note

Press the centering lips (4 pieces) of the gasket ring -4- into the groove on the valve.

–	Fit new cover -2- onto the control unit -1-.

Note

The cover only fits in one position.

–	Insert the control valve for opening degree of coupling -N373- into the control unit -1-.

Note

The valve only fits in one position.

–	Carefully fit on control unit -A- and tighten screws -arrows- to tightening torque.

–	Check oil level in the Haldex coupling → Chapter

Tightening torque

Component	Nm
Four-wheel drive control unit -J492-	→ Chapter Pos. 2