Engine and Transmission, Separating
Engine and Transmission, Separating
Special tools, testers and auxiliary items required
• Socket (T40058)
• Support Set (VAS 6131/10) , Supplementary Set (VAS 6131/12) and (VAS 6131/13)
• M10 x 65 bolt
Procedure
• Engine/transmission assembly removed and placed on scissor lift table (VAS 6131 A).
- Disconnect and remove the connectors from the bracket and free up the wires.
3 For heated oxygen sensor (HOS) 2 (G108)
4 For oxygen sensor (OS) 2 after catalytic converter (G131)
• Ignore - 1 and 2 -.
- Remove the nuts - arrows - and the left catalytic converter.
- Disconnect the connector - 2 - for the transmission mount valve 2 (N263) and remove it from the bracket.
• Ignore - 1 and 3 -.
- Remove the bolts - arrows - and the heat shield - 1 -.
- Remove the bolt - 1 - from the bracket for the hydraulic line.
- Remove the bolts - arrows - and then remove the left transmission mount and transmission support.
• Place a cloth below to catch the draining ATF.
- Remove the bolts - arrows - and then remove the ATF line - 1 - from the transmission.
- Seal the open lines and connections with clean plugs from the engine bung set (VAS 6122).
Risk of destroying transmission control module (Mechatronic) with static discharge.
• Do not touch contacts in transmission connector with hands.
- Touch the transmission housing (when not wearing gloves) to discharge the static electricity.
- Disconnect electrical connector on transmission by rotating twist lock counter-clockwise - arrow -.
- Free up the wiring harness on the transmission.
- Remove the coolant hose; to do so, loosen the hose clamp - 2 -.
• Ignore - 1 -.
- Disconnect the connector - 1 - and free up the wire.
- Remove the coolant hose; to do so, loosen the hose clamp - 3 -.
• Ignore - 2 - and - arrows -.
- Remove the connectors from the bracket, disconnect them and then free up the wires.
1 For oxygen sensor (OS) after three way catalytic converter (TWC) (G130)
2 For heated oxygen sensor (HOS) (G39)
• Ignore - 3 and 4 -.
- Remove the nuts - arrows - and remove the right catalytic converter.
- Loosen the clamps - arrows -, remove the bolts - 1 and 2 - and then remove the right coolant pipe on the transmission from the coolant hoses.
- Remove the electrical connector - 1 - from the bracket and disconnect it.
• Ignore - 2 -.
- Remove the bolts - arrows - and the heat shield - 1 -.
- Remove the bolt - 2 - and then remove the transmission mount from the transmission support.
- Disconnect the connector - 2 - from the engine speed sensor (G28) and free up the wires on the transmission.
• Ignore - 1 -.
• Place a cloth below to catch the draining ATF.
- Remove the bolts - arrows - and then tie up the ATF cooler - 1 - to the side with the hoses - 2 and 3 - still connected.
- Remove the let and right drive axles from the transmission flange shaft.
- Remove the bottom cover - 1 - from the transmission - arrow -.
- Insert the (T40058) guide pins as follows:
• The large diameter - arrow 1 - faces the engine.
• Small diameter - arrow 2 - points to adapter.
- To loosen the torque converter bolts, counterhold the crankshaft using the (T40058).
• Only turn the crankshaft in the direction of engine rotation - arrow -.
- Remove the 6 torque converter bolts - arrow - by turning the crankshaft 60° in the direction of engine rotation.
- Equip the scissor lift platform (VAS 6131 A) with the support set (VAS 6131/10) , adapter set (VAS 6131/12) and (VAS 6131/13) as follows:
• The other attachments remain unchanged.
- Connect the right front joint support (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.
- Mount the support elements from (VAS 6131/10) and (VAS 6131/12) on the left side of the transmission as illustrated.
- Mount the support elements from (VAS 6131/10) and (VAS 6131/12) on the right side of the transmission mount as illustrated.
- Turn the left and right spindles upward until all the mounting pins come into contact with the mounting points.
- 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 - connecting the engine to the transmission.
• Ignore - A -.
- Loosen clamping bolts - 1 - on sides of (VAS 6131 A) and pull rear table plate with transmission toward the rear - arrow -.
