Overhaul

Disassembling and assembling electrohydraulic control unit





Preliminary work

1. Remove electrohydraulic control unit.

Disassembling electrohydraulic control unit

Overview





Explosion

1 - Cover
2 - Cover
3 - Screw (6x80)
4 - Screw (6x55)
5 - Leaf springs
6 - Solenoid valve, 2-3 gearshift
7 - Control solenoid valve, converter jumper
8 - Solenoid valve, 1-2 and 4-5 gearshift
9 - Solenoid valve, 3-4 gearshift
10 - Control solenoid valve, shifting pressure
11 - Control solenoid valve, modulating pressure
12 - Electrical control unit
13 - Hydraulic control unit

Disconnecting hydraulic and electrical control unit

1. Remove electrical control unit. To do so, bend back the retaining lug -arrow- at the strengthening rib on the oil temperature sensor and remove electrical control unit from hydraulic control unit by pulling it upwards.





Disconnecting control units

Removing solenoid and control valve

1. Pull off plastic cover.
2. Remove screw.
3. Remove leaf spring.
4. Pull solenoid and control valve out using pullers, if necessary.

Installing solenoid and control valve

1. Press solenoid and control valve in fully. Ensure that valve sits correctly into position.
2. Position leaf spring and screw in screw.





3. Fit plastic cover.

Reassembling the hydraulic and electrical control unit

1. Position electrical control unit on hydraulic control unit. The guide pin on the electrical control unit must engage in the guide bore of the hydraulic control unit.





Pin and bore

Subsequent work

1. Install electrohydraulic control unit.