Subframe, Removing and Installing
Subframe, removing and installing
Special tools and equipment required
- 10-222 A Support
- 10-222 A/10 Additional spindle
- 10-222 A/18 Adapter
- 3393 Test mandrel
- VAG 1332 Torque wrench
- VAG 1383 A Engine/transmission jack
Removing
- Install support bar 10-222A together with supports 10-222 A/1.
Vehicles with 8-cylinder engine
- Remove oil filler pipe from engine.
- Install support bar 10-222A together with legs 10-222 A/1 and adapter 10-222 A/18.
- The longer side of adapter 10-222 A/18 faces forward.
- Secure third spindle 10-222 A/10 with additional hook 10-222 A/2 on lifting eye at rear left of engine.
- Hook second additional hook 10-222 A/2 on lifting eye at rear right of engine.
Continued for all vehicles
- Take weight of engine/transmission assembly on the spindles.
- Remove wheels.
- Remove noise insulation tray.
Vehicles with automatic headlight range control
- Unclip clamp for coupling rod -1- for left front level control system sensor -G78- from track-control link -2-.
Continued for all vehicles
- Before loosening subframe, check that at least holes -1- and -2- align using special tool 3393.
- If this is not the case, perform axle alignment measurements after installing the sub-frame!
- Unscrew hex bolt -5-.
- Unscrew hex nuts -3- and -4- and take out coupling link.
- Remove hex nut -2- for track-control link on subframe and take out hex bolt.
- Remove hex bolt -1-.
- Unscrew hex bolts -arrows- from transmission mounting -1-.
Vehicles with all wheel drive
- Unbolt propshaft from transmission.
Continued for all vehicles
- Place transmission jack VAG 1383 A with 1359/2 under subframe and exert slight counter pressure.
- Unscrew bolts -1- and -2- at rear of subframe on both sides of vehicle.
A - Block of wood
- Using transmission jack VAG 1383A, lower subframe slightly.
- Remove hex bolts for control arm and guide control arm.
- Disconnect ABS vehicle speed sensor wiring out of retainer on brake caliper.
- Pull both control arm and guide control arm out of subframe.
- Unscrew hex bolts -A-.
- Loosen hex bolts -B- until the subframe can be taken out.
Installing
- Install subframe and start hex bolts -A- and -B-.
- Guide both control arm and guide control arm into subframe.
- Install bolts into the inner holes -arrows-.
- Using transmission jack VAG 1383A, raise back of subframe slightly.
The subframe must be attached to the body with the help of special tool 3393 before tightening.
- Hole -1-, sub-frame hole -2- and aluminum console hole -3- must align on both sides.
Note: This attachment only replaces subsequent axle alignment measurements when:
- The sub-frame is removed completely and installed.
- Holes -1- and -2- align before repairs are made.
- Tighten bolts -1- and -2- at rear of subframe on both sides of vehicle.
A - Block of wood
- Protect holes in body for mounting special tool 3393 against corrosion.
- Tighten hex bolts -A- and -B.
- Tighten hex bolts -arrows- at transmission mounting -1-.
- Insert new hex bolts for guide control arm -1- and control arm -2- and tighten new hex nuts.
Note: Press track-control and guide links inward when tightening.
- Tighten hex nuts -3- and -4.
- Tighten hex bolt -5.
Vehicles with automatic headlight range control
- Install clamp for coupling rod for left front level control system sensor -G78-.
- During installation, observe installing position of clamp on track-control link.
Continued for all vehicles
- Connect ABS vehicle speed sensor wiring into retainer on brake caliper.
Vehicles with all wheel drive
- Bolt propshaft onto transmission.
Refer to Transmission and Drivetrain, Manual Transmission Transaxle
Refer to Transmission and Drivetrain, Automatic Transmission Transaxle
For vehicles with 8 cyl. engines
- Attach oil filler line to engine
Continued for all vehicles
- Install wheel and tighten.