Volkswagen Tiguan Service and Repair Manual: Wheel Bearing Housing, Trailing Arm, FWD

Overview - Wheel Bearing Housing, Trailing Arm, FWD

1. Cover
2. Mounting Bracket
3. Coupling Rod
   • Connects stabilizer to trailing link/wheel bearing housing
4. Bolt
   • 90 Nm + 45º
   • Always replace if removed
   • M12 x 1.5 x 40
   • Observe the tightening sequence.
5. Trailing Arm
   • There are different versions.
   • Removing and installing.
   • Servicing.
   • Note the tie rod allocation when replacing them.
6. Bolt
   • 8 Nm
   • M6 x 16
7. Right Rear ABS Wheel Speed Sensor -G44-/ Left Rear ABS Wheel Speed Sensor -G46-
   • Can be checked in Guided Fault Finding using the Vehicle Diagnostic Tester.
   • Before inserting the sensor, clean the inner surface of the hole and coat with Lubricant -G 000 650-.
8. Wheel Bearing Housing
   • Removing and installing.
9. Bonded Rubber Bushing
   • Replacing.
10. Washer
    • The washer chamfer must face outward
    • Either the washer or the wheel bearing front seal is installed.
11. Nut
    • 45 Nm
    • Always replace if removed
12. Brake Rotor
13. Bolt
    • 4 Nm
14. Dust Cap
    • Always replace if removed
    • Removing and installing.

An appropriate seal can only be achieved with a new dust cap.

15. Bolt
    • 200 Nm + 180º
    • Always replace if removed
    • M16 x 1.5 x 70
    • Loosen and tighten using Socket - Xzn 18mm -T10162 A-
16. Wheel Hub with Wheel Bearing
    • The ABS sensor ring is installed in the wheel bearing
    • Removing and installing.

Wheel bearing and wheel hub are installed together.

This wheel bearing/hub unit is maintenance and adjustment free. Adjusting or servicing is not possible!

17. Bolt
    • 12 Nm
    • M6 x 10
18. Cover Plate
19. Bolt
    • 90 Nm +90º
    • Always replace if removed
    • M12 x 1.5 x 80
20. Bonded Rubber Bushing
    • Replacing.
21. Bolt
    • 50 Nm + 45º
    • Always replace if removed
    • M10 x 35

Wheel Bearing Front Seal -1-

Caution

When installing the wheel bearing front seal -1-, make sure the hole -arrow- is installed at the center of the speed sensor -2-.

Wheel Bearing Housing, Removing and Installing

Special tools and workshop equipment required

• Torque Wrench 1332 40-200Nm -VAG1332-

Removing

• Remove the wheel.
• Remove coil spring.
• Remove wheel bearing/wheel hub unit.
• Remove cover plate.
• Remove ABS wheel speed sensor from wheel bearing housing.
• Remove the bolt -arrow-.

• Remove bolt for tie rod -1-, upper transverse link -2- and lower transverse link -3- from wheel bearing housing -4-.
• Remove connecting link -arrow- from the wheel bearing housing.

• Hold wheel bearing housing tightly and remove the bolts -arrows-.
• Pull the coupling rod -1- out of the trailing arm.

Installing

Threaded connection of trailing link/wheel bearing housing must only be tightened when all other components (spring and strut always) of the respective wheel suspension have been already assembled. To tighten, suspension must be unloaded. Only now do the trailing link and wheel bearing housing move into the position required -arrows-.

Always Perform the Following Work in the Sequence Given!

• Install bolt for tie rod -1-, upper transverse link -2- and lower transverse link -3-, but do not tighten.
• Hand-tighten coupling rod -arrow- to wheel bearing housing -4-.

• Install bolts -arrows- and insert connecting link -1- into trailing arm.

• Tighten bolt -arrow- for shock absorber.

Bolting at wheel bearing housing may occur only when the dimension "a" has been obtained.

• Install coil spring.
• Tighten bolt for tie rod -1-, upper transverse link -2- and lower transverse link -3-.
• Tighten the coupling rod nut -arrow-.

• Tighten the bolts -arrows-.
• Install cover plate.

Vehicles with Wheel Bearing Front Seal

Caution

When installing the wheel bearing front seal -1-, make sure the hole -arrow- is installed at the center of the speed sensor -2-.

Continuation for All Vehicles

• Install wheel bearing/wheel hub unit.
• Install ABS wheel speed sensor in wheel bearing housing.
• Install the brake rotor.
• Install the brake carrier with brake caliper.
• Install the wheel and tighten.

Tightening Specifications

Wheel Bearing Housing Bonded Rubber Bushing, Replacing

Special tools and workshop equipment required

• Bearing Installer - Control Arm -3346-
• Bearing Installer - Carrier Bearing -3350-
• Fitting Sleeve -3378-
• Torque Adapter -3390-
• Torque Wrench 1332 40-200Nm -VAG1332-

Removing

• Remove the wheel.
• Remove coil spring.
• Remove wheel bearing/wheel hub unit.
• Remove cover plate.
• Remove bolt -arrow- for lower transverse link -1-.

Pressing Out Bonded Rubber Bushing

• Attach tools as depicted in illustration.

1. Bearing Installer - Control Arm - Nut -3346/3-
2. Torque Adapter -3390-
3. Bearing Installer - Carrier Bearing -3350-
4. Nut, commercially available
5. Bearing Installer - Control Arm - Spindle -3346/2-

• Remove bonded rubber bushing by turning spindle.

Installing

Installing the Bonded Rubber Bushing

• Attach tools as depicted in illustration.

1. Bearing Installer - Control Arm - Nut -3346/3-
2. Bearing Installer - Control Arm -3346-
3. Bonded rubber bushing
4. Fitting Sleeve -3378-
5. Nut, commercially available
6. Bearing Installer - Control Arm - Spindle -3346/2-

• Install bonded rubber bushing by turning support arm bearing installation tool.

Note

• Do not use lubricant!
• Insert bearing with care so it is not canted.

• Install cover plate.
• Install wheel bearing/wheel hub unit.

Bolting at wheel bearing housing may occur only when the dimension "a" has been obtained.

• Tighten bolt -arrow- for lower transverse link -1-.
• Install coil spring.
• Install the brake rotor.
• Install the brake carrier with brake caliper.
• Install the wheel and tighten.

Tightening Specifications

Wheel Bearing and Wheel Hub, Removing and Installing

Special tools and workshop equipment required

• Puller - Grease Cap -VW637/2-
• Seal Installer - Camshaft Installer Kit -3241-
• Torque Wrench 1332 40-200Nm -VAG1332-
• Torque Wrench 1410 -VAG1410-
• Socket - XZN 18mm -T10162 A-

Removing

• Raise the vehicle.
• Remove wheel.

Loosen dust cap from seat by tapping lightly on claw of Puller - Grease Cap -VW637/2-.

• Press off dust cap.
• Remove brake carrier with brake caliper and hang on the body with tie wire.

Note

Suspend brake caliper from body.

• Remove the brake rotor bolt and the brake rotor.
• Remove bolt -1- using Socket - XZN 18mm -T10162A--2-.

Caution

Never use an impact wrench when removing the bolt -1- using the Socket - XZN 18mm -T10162A--2-.

• Remove the wheel hub/wheel bearing unit -2- from the stub axle.

Installing

• Carefully slide wheel hub/wheel bearing unit onto stub axle.

Make Sure that Wheel Hubs/Wheel Bearing Unit Does Not Tilt!

• Tighten using a new internal multi-point bolt.

Note

• First tighten the bolt to the specification using the torque wrench.
• Using a rigid wrench when tightening additionally.

Caution

Never use an impact wrench when tightening the bolt -1- using the Socket - XZN 18mm -T10162A--2-.

• Drive dust cap on with Seal Installer - Camshaft Installer Kit - Sleeve -3241/4-.

Always replace dust caps.

Damaged dust caps allow moisture to enter. Therefore, always use the tool shown.

Rest of installation is the reverse of removal.

• Install the wheel and tighten.

Tightening Specifications

Trailing Arm with Mounting Bracket, Removing and Installing

Special tools and workshop equipment required

• Torque Wrench 1332 40-200Nm -VAG1332-
• Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149-

Removing

• Remove the wheel.
• Remove coil spring.
• Remove retainer -1-, pressing out inner pins of rivets -arrows A-.
• Remove the coupling rod -2- from trailing arm.
• Remove bolts -arrows B-.
• Unclip electrical wire from mounting bracket.
• Mark installation position of mounting bracket on body.

• Remove the bolts -arrows-.
• Remove longitudinal control arm -1- with mounting bracket.

If longitudinal control arm is being replaced, mounting bracket must be removed from longitudinal control arm.

• To do so, clamp longitudinal control arm into a vise so that mounting bracket -1- makes contact at vise -arrow-.
• Remove the bolt -2-.

Installation position of mounting bracket to trailing link must then be adjusted.

Determining Installation Position of Mounting Bracket Relative to Trailing Arm

Measure dimension -a- from center of bolt to outer edge of mounting bracket.

Dimension -a- is 57.5 +-1 mm.

1. Mounting bracket
2. Trailing arm

• When dimension -a- has been adjusted, tighten bolt.

Installing

Caution

Note the different tie rod versions when replacing the trailing arm.

Note the allocation of the tie rods for the trailing arms.

Threaded connection of trailing link/wheel bearing housing must only be tightened when all other components (spring and strut always) of the respective wheel suspension have been already assembled. To tighten, suspension must be unloaded. Only now do the trailing link and wheel bearing housing move into the position required -arrows-.

Threaded Connector: Trailing Arm/Wheel Bearing Housing

Always Perform the Following work in the Sequence Given!

• Attach longitudinal control arm and mounting bracket with bolts -arrows- to wheel bearing housing, but do not tighten.
• Insert the coupling rod -1- into the trailing arm, but do not tighten the nut yet.
• Raise the suspension using Engine and Gearbox Jack -VAS6931- and Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- until the mounting bracket contacts the body.

• Tighten bolts -arrows- on old impression.
• Lower the suspension again using Engine and Gearbox Jack -VAS6931- and remove Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- from wheel hub.
• Install coil spring.

• Tighten bolts -arrows B- for longitudinal control arm to tightening specification, observe required position of components while doing so.
• Tighten the coupling rod nut -2- to the wheel bearing housing.
• Install retainer -1-, pressing in inner pins of rivets -arrows A-.
• When installing the wires for the electrical parking brake, make sure that dimension -a- between the connector -1- and the retainer -2- is exact.

Dimension -a- = 150 mm

• Install the wheel and tighten.
• Perform vehicle alignment.

Tightening Specifications

Trailing Arm, Servicing

Special tools and workshop equipment required

• Press Plate -VW401-
• Press Plate -VW402-
• Front Subframe Mount Kit -3372-
• Hydraulic Press - Bushing Assembly Tool Kit -T10230-

Pressing Out the Bonded Rubber Bushing

• Remove trailing link.
• Clamp longitudinal control arm into vise so that mounting bracket -1- makes contact at vise -arrow-.
• Remove the bolt -2-.

• Install tools as shown in the illustration.

1. Hydraulic Press - Bushing Assembly Tool Kit-Pipe -T10230/3-
2. Hydraulic Press - Bushing Assembly Tool Kit-Press Piece -T10230/10-
3. Front Subframe Mount Kit -3372-
4. Press Plate -VW401-
5. Press Plate -VW402-

• Press out the bonded rubber bushing.

Installing the Bonded Rubber Bushings

Position the bonded rubber bushing as follows:

1. Install a connection line between the gap -arrow A- and the recess -arrow B-, for example, with a straight edge.
2. Align the bonded rubber bushing so that the upper right tab -1- is to the left of the line.
3. The lower left tab -2- must be located on the right of the connection line.

Note

Always make sure that the bonded rubber bushing is in the correct installation position to the trailing arm bushing.

• Install tools as shown in the illustration.

1. Hydraulic Press - Bushing Assembly Tool Kit - Tube -T10230/5-
2. Hydraulic Press - Bushing Assembly Tool Kit-Thrust Plate -T10230/12-, the chamfer must face the bonded rubber bushing
3. Bonded rubber bushing
4. Front Subframe Mount Kit -3372-
5. Press Plate -VW402-

• Press in bonded rubber bushing flush.
• Install the mounting bracket on trailing arm.
• Install the trailing arm.