Wheel Bearing Housing: Removing

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NOTE:

There are 2 different wheel bearing housings being used on FWD vehicles.

For a period of time, both the "FWD" wheel bearing housing and the "AWD" wheel bearing housing were being installed. Before starting any work, check which wheel bearing housing was installed.

Wheel bearing housing "AWD" Removing and Installing, Refer To WHEEL BEARING HOUSING .

-- Determine dimension -a- from the center of the wheel to the lower edge of the wheel housing before starting work while the vehicle is resting on its wheels.

Fig 1: Dimension From Center Of Wheel To Lower Edge Of Wheel Housing

Courtesy of AUDI OF AMERICA, LLC

-- Place the vehicle on a hoist.

Only perform the following steps if the wheel bearing housing will be replaced.

Fig 2: Identifying Hammer And Grease Cap Puller VW 637/2

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the dust cap by lightly tapping on the :VW 637/2 .

-- Pry the dust cap off using the :VW 637/2 .

Fig 3: Identifying Grease Cap Puller VW 637/2 To Pull Off Dust Cap

Courtesy of AUDI OF AMERICA, LLC

-- Loosen the wheel bearing unit collar bolt, but only when the vehicle is resting on its wheels. Refer To THREADED CONNECTION BETWEEN DRIVE AXLE AND WHEEL HUB, LOOSENING AND TIGHTENING .

REMOVING, CONTINUED

-- Remove the wheel.

-- Release the connector -1- from the rear speed sensor and remove it.

Fig 4: Releasing Connector From Left ABS Wheel Speed Sensor

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the electro-mechanical parking brake connector -3-.

-- Remove the bolt -2- and the bracket with lines -6-.

-- Remove Brake Caliper And Brake Disc. Refer To REAR BRAKE CALIPER, REMOVING AND INSTALLING .

-- Secure the brake caliper to the body so that the weight of the caliper does not stress or damage the brake hose or brake line.

Only perform the following steps if the wheel bearing housing will be replaced.

Fig 5: Bolts -1- And Cover Plate -2-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1- from the brake shield -2-.

CAUTION:

Do not pull the wheel bearing off by the outer race (wheel hub).

-- Remove the wheel bearing unit -2- over the brake shield -1- and from the stub axle -3-.

Fig 6: Identifying Wheel Bearing Unit Over Brake Shield And From Stub Axle

Courtesy of AUDI OF AMERICA, LLC

NOTE:

If the wheel bearing unit can be removed from the wheel bearing housing by hand, the wheel bearing unit is OK and can be reinstalled.

-- Reach behind the front seal -arrow- when the stub axle has been freed up enough. Remove the wheel bearing unit and the brake shield (both not shown in the illustration) over the front seal -arrow-.

Fig 7: Front Seal