Part 2
- Remove right refrigerant line from A/C compressor.
• The left refrigerant line will be removed at a later point in time.
- Seal open connections on A/C compressor using clean plugs.
- Remove left bracket for refrigerant line - arrows -.
- Remove refrigerant line on bracket - arrow -.
- Remove bolt - arrow - and disconnect refrigerant line to A/C compressor.
- Have a second technician press brake pedal.
CAUTION!
To loosen collar bolt for drive axle, the wheel bearing must not be under load (vehicle must not be standing on its wheels).
- Remove collar bolt - 2 - at left and right drive axles - 1 -.
- Remove bolts and nuts - arrows - uniformly at left and right.
- Remove stabilizer.
- Disconnect electrical harness connector at Left Front Level Control System Sensor (G78).
- Unclip operating rod for Left Front Level Control System Sensor (G78) at bottom on control arm.
- Remove outer suspension strut bolt from left and right of engine compartment.
- Rotate Ring Screw (3368) at left and right in suspension strut mount hole from below.
CAUTION!
Only install Ring Screw (3368) until it is flush with upper edge of suspension strut mount so that hood is not damaged when closed.
- Tie up wheel bearing housing at left and right with Tensioning Strap (T10038) as shown in illustration.
CAUTION!
To prevent upper control arm joints from being damaged, wheel bearing housing must be supported before loosening lower suspension strut bolts.
- Remove suspension strut from control arm - arrow -.
- Remove expanding clips - arrows -.
- Remove nut - 1 - and remove cover behind wheel housing.
- Remove guide control arm - 1 - and control arm - 2 - on subframe.
- Pivot guide control arm - 1 - and control arm - 2 - outward.
CAUTION!
Guide control arm and control arm must not hang free. Tie up both control arms on wheel bearing housing - arrows - as shown in illustration.
- Repeat work procedure on opposite side of the vehicle.
- Remove heat shield - 1 - for left drive axle.
- Remove drive axle from transmission flanged shaft.
- Swing left wheel bearing housing outward and remove drive axle.
- Repeat work procedure on opposite side of the vehicle.
• Do not bend the flex joint in front of the exhaust pipe more than 10° or it could be damaged.
- Disconnect exhaust system at double clamps - arrows -.
- Remove heat shield - A - for driveshaft - arrows -.
- Remove bolts at transmission/driveshaft flange.
- Push driveshaft together with rear final drive. The constant velocity joints can move axially.
- Tie up driveshaft to body.
Prepare scissor lift platform:
- Equip scissor lift platform (VAS 6131 A) with support set for Audi (VAS 6131/10) as follows:
- Install attachments on scissor lift table by hand first.
- Place scissor lift platform (VAS 6131 A) in horizontal position.
• Note bubble level (sight glass) on support platform.
- Drive scissor lift table (VAS 6131 A) under engine/transmission subassembly.
- Position support elements from (VAS 6131/10) at front on engine as shown in illustration.
- Position support elements from (VAS 6131/10) at left and right on subframe as shown in illustration.
- Position support elements from (VAS 6131/10) at left and right on tunnel cross member as shown in illustration.
- Twist all spindles of support elements upward far enough until all support pins make contact at support points.
- Tighten base plates for support elements to 20 Nm on scissor lift platform (VAS 6131 A).
- Mark installation position of subframe and of both engine mount brackets to longmembers using a felt-tip marker.
- Remove bolts - 1 to 4 - in diagonal sequence and in stages.
• Verify that all hoses and lines between engine/transmission subassembly and body have been disconnected.
• While lowering, carefully guide engine/transmission subassembly with subframe out of engine compartment in order to prevent damage.
- Lower engine/transmission subassembly using scissor lift platform (VAS 6131 A) first only approximately dimension - a -.
• Dimension - a - = 100 mm.
- Disconnect connecting rod - 2 - off shift rod.
- Remove socket head bolt of pivot rod - 1 -.
- Remove nut - arrow - and remove lever from selector shaft.
- Remove clutch slave cylinder - arrow -, do not disconnect lines.
- Tie up clutch slave cylinder together with shift rods.
- Lower engine/transmission subassembly downward.
- Push scissor lift platform (VAS 6131 A) with engine/transmission subassembly under vehicle.
- Remove electrical harness connectors - 2 - and - 4 - from bracket and disconnect.
- Free up the wiring harnesses.
• In the illustration, the electrical harness connectors are depicted as installed.
- Remove bolt - arrow - at strap for right front exhaust pipe.
- Remove nuts - 1 to 3 - for right front exhaust pipe/exhaust manifold.
- Remove front exhaust pipe with pre and main catalytic converters.
- Remove Engine Speed (RPM) Sensor (G28) on transmission - arrow -.
- Disconnect electrical harness connector - arrow - at Back-Up Light Switch (F4) and free up electrical wire.
- Remove engine/transmission threaded connections - 1 to 7 -.
- Loosen side clamping bolts - 1 - on scissor lift platform (VAS 6131 A) and pull rear platform top with transmission toward rear - arrow -, simultaneously push torque converter through opening of drive plate while doing this.
