Volkswagen Workshop Service and Repair Manuals

Removing and installing wheel bearing housing Special tools and workshop equipment required

t  Torque wrench -V.A.G 1332- Removing –  Remove coil spring → Chapter. –  Loosen drive shaft bolt at wheel hub: t  Hexagon bolt → Chapter t  Twelve-point head bolt with ribbing → Chapter t  Twelve-point head bolt without ribbing → Chapter –  Remove wheel. –  Remove brake carrier with brake caliper and tie to body with wire → Rep. gr.46. –  Remove ABS speed sensor from wheel bearing housing.

–  Remove bolt -arrow-.

–  Unscrew bolts -arrows- and remove splash plate -1-.

–  Remove bolt for track rod -1-, upper transverse link -2- and lower transverse link -3- from wheel housing -4-. –  Unbolt coupling rod from wheel bearing housing -arrow-.

–  Remove coupling rod -1- from trailing arm. –  Hold wheel bearing housing and unscrew bolts -arrows-. –  Take out wheel bearing housing. Installing Carry out installation in the reverse sequence, noting the following:   Note Ensure that a plate/washer is installed between the track rod, upper control arm, shock absorber and wheel bearing housing respectively.

Position: threaded connection between trailing arm and wheel bearing housing Threaded connection for trailing arm and wheel bearing housing may be tightened only after all other components (particularly the spring and shock absorber) of respective wheel suspension have been installed. To tighten, wheel suspension must be in extended position. Only then do trailing arm and wheel bearing housing move to the necessary position -arrows-. –  Install coil spring → Chapter. It is important to keep to the specified sequence for the following operations.

–  Fit trailing arm to wheel bearing housing with bolts -arrows- but do not tighten yet. –  Attach coupling rod -1- to trailing arm but do not tighten nut yet. –  Lower wheel suspension again using engine and gearbox jack -V.A.G 1383 A- and remove support -T10149- from wheel hub. –  Tighten trailing arm bolts -arrows- to specified torque, ensuring that components are positioned as required → Fig.. –  Bolt coupling rod -1- to wheel bearing housing and anti-roll bar. The threaded connections on the wheel bearing housing may be tightened only when the dimension between the centre of wheel hub and lower edge of wheel housing has been attained → Fig.. –  Attach brake carrier with brake caliper → Brake systems; Rep. gr.46. –  Tighten drive shaft bolt at wheel hub: t  Hexagon bolt → Chapter t  Twelve-point head bolt with ribbing → Chapter t  Twelve-point head bolt without ribbing → Chapter   Caution During this step, vehicle must not be standing on its wheels. The wheel bearing can be damaged by the weight of the vehicle if the bolt is loosened.

Distinguishing features between twelve-point head bolt with ribbing and twelve-point head bolt without ribbing. The twelve-point head bolt are only distinguishable on the contact surfaces -arrow A- and -arrow B-. I -  Twelve-point head bolt with ribbing -arrow A- II -  Twelve-point head bolt without ribbing -arrow B- –  Install wheel and tighten bolts or nuts → Chapter.

Specified torques

Component	Specified torque
Upper transverse link to wheel bearing housing t  Use new nuts and bolts t  Tighten threaded connections only when vehicle is in the normal running position	130 Nm + 90° further
Wheel bearing housing to lower suspension link t  Use new nuts and bolts t  Tighten threaded connections only when vehicle is in the normal running position	90 Nm + 90° further
Wheel bearing housing to track rod t  Use new nuts and bolts t  Tighten threaded connections only when vehicle is in the normal running position	130 Nm + 90° further
Trailing arm to wheel bearing housing t  Use new bolts	90 Nm + 45° further
Coupling rod to wheel bearing housing. t  Use new nut	45 Nm
Splash plate to wheel bearing housing	12 Nm
ABS speed sensor to wheel bearing housing	8 Nm
Shock absorber to wheel bearing housing	180 Nm
Brake disc to wheel bearing housing.	4 Nm
Drive shaft to wheel hub „hexagon bolt“ t  Use new bolt	180 Nm + 180° further
Drive shaft to wheel hub „twelve-point head bolt with ribbing“ t  Use new bolt	70 Nm + 90°
Drive shaft to wheel hub „twelve-point head bolt without ribbing“ t  Use new bolt	200 Nm + 180°