Engine and Automatic Transmission, Separating
Engine and Automatic Transmission, Separating
Special tools, testers and auxiliary items required
• Transmission Support (VAS 6131/14)
• Socket (T40058)
• Scissor-Type Assembly Platform (VAS 6131 A) with Support Set (VAS 6131/10) and Supplementary Set, Audi A8 (VAS 6131/11) and Supplementary Set, Audi Q7 (VAS 6131/13)
• Joint Support (VAS 6131/13-7)
• Drip Tray (VAS 6208)
• Engine Plug Set (VAS 6122)
Procedure
• Engine/transmission assembly removed and placed on the (VAS 6131 A).
- Remove the electrical connector bolts - arrows - for the Oxygen Sensor (O2S) 2 after catalytic converter (G131) from the bracket, disconnect it and lay it aside.
• Ignore - 2, 3 and 4 - and - arrows -.
- Remove the nuts - arrows - and the bolt - 1 - and the left catalytic converter.
- Remove the electrical connector - 1 - for the Oxygen Sensor (O2S) after Three Way Catalytic Converter (TWC) (G130) from the bracket and disconnect it.
- Remove the electrical connector - 2 - from the bracket.
- Remove the bolts - arrow - and lay aside the bracket with electrical connectors - 3 and 4 -.
- Remove the nuts - arrows - and the bolt - 1 - and remove the right catalytic converter.
- Disconnect the electrical connector - 2 - on the Engine Speed (RPM) sensor (G28) and free up the electrical wiring.
• Ignore - 1 -.
There is a risk of destroying the 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 the connector on transmission by rotating screw connections counterclockwise - arrow -.
- Free up the electrical wiring harness on the transmission.
- Remove the bolts - 1, 2 and 3 - and remove the right drive axle heat shield - A -.
- Move the heat shields - B - to the side.
- 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.
- To loosen the torque converter bolts, counter hold the crankshaft using the (T40058).
• When mounting, turn the crankshaft only 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.
- Remove the bolt - arrow - for the ATF line bracket.
• Ignore - 1 and 2 -.
• Place a cloth underneath to soak up any escaping ATF.
- Remove the bolts - 1 and 2 - and remove the ATF line - 1 - from the transmission and secure them at the top.
- Seal any open lines and connections with a clean plug from the (VAS 6122).
- Equip the (VAS 6131 A) with the (VAS 6131/10) , (VAS 6131/13) and (VAS 6131/14) as follows:
• The other attachments remain unchanged.
- Install the (VAS 6131/13-7) at the right front of the engine in the threaded hole as shown in the illustration.
- Install the (VAS 6131/13-7) on the scissor lift table and tighten it 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 -.
Risk of leakage on the ATF oil pan.
• Do not lay the (VAS 6131/14) on the ATF oil pan.
- 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 the (VAS 6131 A) and tighten to 20 Nm.
- Loosen clamping bolts - 1 - on sides of (VAS 6131 A) and pull the rear table plate with transmission toward the rear - arrow -.
