Engine and Automatic Transmission, Separating

Engine and Automatic Transmission, Separating

Special tools, testers and auxiliary items required

• Scissor-Type Assembly Platform (VAS 6131 A)

• Support Set (VAS 6131/10) , Supplementary Set (VAS 6131/13-7) and Transmission Support (VAS 6131/14)

• Engine Bung Set (VAS 6122)

• Socket (T40058)

• Adapter (T40257)

• Wrench (T40263)

• M10 x 65 bolt

Procedure






• Engine/transmission assembly removed and placed on the (VAS 6131 A).

- Remove electrical connectors from the bracket and disconnect:

2 For Heated Oxygen Sensor (HO2S) 2 (G108)
3 For Oxygen Sensor (O2S) 2 after catalytic converter (G131)

• Ignore - 1 and 4 -.

- Remove the nuts - arrows - and the bolt - 1 - and the left catalytic converter.






• Catch any leaking ATF with a cloth.

- Remove the bolts - 1, 2, 4, 5 and 6 - and the nut - 3 -.






- Remove the ATF line.

- Seal any open lines and connections with a clean plug from the (VAS 6122).

- Remove electrical connectors from bracket and disconnect:






2 For Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130)
3 For Heated Oxygen Sensor (HO2S) (G39)

• Ignore - 1 and 4 -.

- Remove the nuts - arrows - and the bolt - 1 - and the right catalytic converter.






- Disconnect the electrical connectors - 1 - leading to the steering gear - 2 - on the Engine Speed (RPM) sensor (G28) and free up the electrical wires.







There is a risk of destroying the transmission control module (Mechatronic) with static discharge.

• Do not touch contacts in the transmission connector with hands.

- To discharge static electricity, touch the transmission housing (without wearing gloves).

- Disconnect the connector on the transmission by rotating screw connections counter-clockwise - arrow -.






- Free up the wiring harness on the transmission.

- Remove the left and right drive axles from the transmission flange shafts.

- Remove the lower cover - 1 - from the transmission - arrow -.






- Insert the (T40058) guide pins as follows:






• The large diameter - arrow 1 - faces the engine.

• The small diameter - arrow 2 - faces the adapter.

- Attach the (T40257) to the (T40263).






- Attach the adapter to the bolts on the vibration damper.

• The notch - arrow A - on the (T40257) must face the color dash - arrow B - on the vibration damper.

• Ignore the semi-round countersink on the (T40257).

• When mounting, turn the crankshaft only in the direction of engine rotation - arrow -.

- Remove the six torque converter bolts - arrow - while turning the crankshaft 60° further in the direction of engine rotation.






- Equip the (VAS 6131 A) with the (VAS 6131/10) , (VAS 6131/13-7) and (VAS 6131/14) as follows:






• The other attachments remain unchanged.






- Connect the right front (VAS 6131/13-7) to the engine using the MD bolt in threaded hole as shown in the illustration.






- Install the (VAS 6131/13-7) on the scissor lift table and tighten it to 20 Nm.

- Attach the mounting elements from the (VAS 6131/10) and (VAS 6131/14) at the front of the transmission as shown in the illustration.






- Rotate the left and right spindles up until the (VAS 6131/14) rests firmly against the transmission.

- Attach mounting element base plates to (VAS 6131 A) and tighten to 20 Nm.

- Remove the starter bolts - 1 and 2 -.






- Press the starter off the transmission and leave it in the installation position.

- Remove the remaining bolts - 3 through 11 - that attach the engine to the transmission.

• Ignore - A -.

- Loosen clamping bolts - 1 - on sides of the (VAS 6131 A) and pull rear table plate with transmission toward the rear - arrow -.