Operation CHARM: Car repair manuals for everyone.

Procedures



Disassembling and assembling electrohydraulic control unit (as of MY 2002)




Tools







Overview

Disconnecting hydraulic and electrical control unit





1. Remove electrical control unit - in overview 12 -. To do so, bend back the retaining lug at the strengthening rib on the oil temperature sensor.

Removing solenoid and control valve

1. Pull off plastic cover - 1 or 2 in overview.

2. Unscrew screw - 3 in overview -, remove leaf spring - 5 in overview - and pull out solenoid or control valve - 6 to 11 in overview - if necessary with a pair of pliers.

Installing solenoid and control valve

1. Press in new magnet or control valve - 6 to 11 in overview -. Ensure correct seating.

2. Fit leaf spring - 5 in overview - and screw in screw - 3 in over- view-.

3. Fit plastic cover - 1 or 2 in overview -.

Reassembling the hydraulic and electrical control unit





1. Place the control unit carefully in position. The guide pin must engage in the guide bore of the hydraulic control unit.