Remove the seal. cap using the wheel hub cap remover -VW 637/2-. Loosen the wheel bearing assembly bolt.
Unscrew the brake. caliper and brake drive the disc from the hub bearing housing, pass it past the wheel suspension and secure it to the body. Removed brake. strengthen the caliper so that its weight does not put pressure on the brake. hose or brake highway and did not damage them. When the brakes the caliper is removed, do not press the brake pedal. Unscrew bolts -1- and brake shield -2-. Slightly push brake guard -2- outwards at pre-seal.
Grasp the pre-seal -arrow-. Remove the wheel bearing module (not shown in the picture) through the outer seal -arrow-.
Removing the wheel bearing module by the outer ring (wheel hub) not allowed. If the wheel bearing module is removed from the steering knuckle by hand, the wheel bearing module is normal and can be reinstalled. The hub bearing -1 - must always point upward. Always place the wheel bearing assembly on the wheel hub -2-.
Installation
Install in reverse order. In this case, tightening torques must be taken into account. Cleaning the outer seal. Place the outer seal and coat the axle journal -arrow- with a thin layer of grease.
Install the brake. caliper and brake disk. Using a special tool -3241/4- press in the seal. cap. Be sure to replace the used cap. Damaged caps allow moisture to pass through. Therefore, use only the tools shown in the illustrations.
Install the brake. caliper and brake disk. Tighten the wheel bearing assembly bolt. Install the rear wheel.
Removing the shock absorber
Before starting work, measure the distance -a- from the center of the wheel to the lower edge of the wheel well, while the wheels are not yet removed from the vehicle. Place the vehicle on a lift. Remove the wheel. Rotate the hub upwards so that one wheel bolt hole is at the top. Screw on the support bracket -T10149- with the wheel bolt -arrow-. Insert the support bracket -T10149- into the tilting mechanism and slightly lift the wheel bearing housing. Unscrew bolts -1-.
Only for vehicles with electronic damping control: Unlock and remove connector -2-. Disconnect fastening-1-.
All
Unlock locking lugs -1- and remove stone guard -2-.
Unscrew the bolt -2- and remove the washer -1-. Pull the shock absorber downwards.
Installation
Install in reverse order. In this case, tightening torques must be taken into account. Tighten the wheel.
Steering knuckle, wheel bearing module, shock absorber, vehicles with all-wheel drive
I 1. Drive shaft. Various versions; 2. Backing plate; 3/7. Bolt; 4. Upper wishbone; 5. Nut. 95 Nm. Replace each time removed. Tighten only in the vehicle position without load; 6. Eccentric washer; 8. Brake holder. hose, caliper line harness and rear speed sensor harness; 9/16. Bolt. 10 Nm; 10. Rear speed sensor; 11. Bolt. 9 Nm; 12. Silent block. Cannot be replaced separately; 13. Ball bearing; 14. Wheel hub; 15. Brake safety guard; 17. Brake disc; 18. Shoulder bolt. 200 Nm + turn 180°. Replace each time when removed; 19. Bolt. 5 Nm; 20. Transverse thrust. Consider different versions: aluminum and steel, matching. Simultaneous installation of 2 racks of different types is unacceptable; 21. Bolt. 90 Nm + turn 90°. Replace each time removed. Tighten only in the vehicle position without load; 22. Bolt. 120 Nm + turn 360°. Replace each time removed. Tighten only in the vehicle position without load. If the bolt is removed, it is necessary to adjust the wheel alignment angle; 23. Spacer tube. Replace each time when removed; 24. Nut. Replace each time removed. Do not use a nut to tighten a threaded connection. If the nut becomes loose, it is necessary to adjust the wheel alignment angle; 25. Lower wishbone; 26. Silent block; 27. Wheel bearing housing; 28. Bolt. 80 Nm + turn 90°. Replace each time when removed; 29. Washer. Designed to protect against corrosion. Always use together; 30. Bolt. 150 Nm + turn 180°. Replace each time removed. Tighten only in the vehicle position without load; 31. Shock absorber; 32. Anther; 33. Emphasis; 34. Bolt. 50 Nm + tighten by +45°. Replace each time when removed; 35. Upper shock absorber support; 36. Nut. 35 Nm. Replace each time when removed; 37. Protective cap
The wheel bearing -1- must always point upward. Always place the wheel bearing module on the wheel hub -2-. This procedure is also suitable for wheel bearings without a hub.
Removing the wheel bearing housing
Before starting work, measure the distance -a- from the center of the wheel to the lower edge of the wheel well, while the wheels are not yet removed from the vehicle. Place the vehicle on a lift. Unscrew the bolts securing the drive shaft to the wheel hub. Remove the wheel. Unlock and remove connector -1- from rear speed sensor. Unlock connector -3- of the electromechanical parking brake and remove it. Unscrew the bolt -2- and remove the holder -6- with wires. Remove the brake. caliper and brake disk. Secure the brake caliper to the body so that its weight does not put pressure on the brake. hose or brake highway and did not damage them.
Unscrew bolts -1 - and remove brake guard -2-.
Remove rear speed sensor-1-. To do this, unscrew the bolt -2-. Remove the coil spring.
Mark the position of the bolt -1- in relation to the wheel bearing housing -2-. Unscrew the nut -4- and remove the eccentric washer-3-. Remove bolt-1-.
Remove bolt -4-.
Unlock locking lugs -1- and remove stone guard -2-.
Unscrew the bolt -2- and remove the washer-1-.
Unscrew the nut -3-. Unscrew bolt -1 - and remove spacer tube -2-. If the nut -3- is loosened or the bolt is removed, it is necessary to adjust the wheel alignment angle. Move the wheel bearing housing to the side and pull the drive shaft out of the wheel bearing housing. Remove the wheel bearing housing. Remove the hub assembly.
Installation
Install in reverse order. In this case, tightening torques must be taken into account. Say-tape blocks have a limited working range of twisting. Therefore, wheel suspension bolts should only be tightened when the vehicle is in the no-load or standard suspension position. Raising the wheel support of an unloaded vehicle with coil springs. Insert the wheel bearing housing. Insert bolt -1 - with spacer tube -2- and tighten nut -3-.
It is prohibited to use the nut -3- to tighten the threaded connection. Tighten bolt -1-. Install the coil spring. Install the caliper and brake. disk. Install the speed sensor at the rear. Install the wheel. Tighten the wheel. Tighten the bolts securing the drive shaft to the wheel hub. It is necessary to adjust the wheel alignment angles. Adjustment of the wheel alignment of the front and rear axles is carried out on a wheel alignment stand recommended by VW/Audi.
Removing the Wheel Bearing Assembly
Removing the wheel bearing housing. Clamp the wheel bearing housing in a vice with aluminum protective jaws. Unscrew bolts -1- and remove wheel bearing assembly -2-.
The wheel bearing -1- must always point upward. Always place the wheel bearing assembly on the wheel hub -2-. This; The procedure is also suitable for wheel bearings without a hub.
Installation
Install in reverse order. In this case, tightening torques must be taken into account.
Removing the shock absorber
Before starting work, measure the distance -a- from the center of the wheel to the lower edge of the wheel well, while the wheels are not yet removed from the vehicle. Place the vehicle on a lift. Remove the wheel. Rotate the hub upwards so that one wheel bolt hole is at the top. Screw on the support bracket -T10149- with the wheel bolt -arrow-. Insert the support bracket -T10149- into the tilting mechanism and slightly lift the wheel bearing housing. Unscrew bolts -1-.
Only for vehicles with electronic damping control: Unlock and remove connector -2-. Disconnect fastening-1-.
All
Unlock locking lugs -1- and remove stone guard -2-.
Unscrew the bolt -2- and remove the washer-1-.
Pull the shock absorber downwards.
Installation
Install in reverse order. In this case, tightening torques must be taken into account. Tighten the wheel.
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