Center Differential Housing And Center Differential, Attached Driveshaft: Installing

Install in reverse order of removal. Note the following:

• Tightening specifications, refer to CENTER DIFFERENTIAL HOUSING OVERVIEW, BOLTED DRIVESHAFT  or CENTER DIFFERENTIAL HOUSING OVERVIEW, ATTACHED DRIVESHAFT .

-- Clean both housing separating surfaces thoroughly. They must be free of oil and grease.

-- Apply a bead sealant -arrow 1- evenly and not too thick on the housing surfaces;

Fig 1: Applying Sealant Bead On Housing Surface

Courtesy of AUDI OF AMERICA, LLC

-- Place a sealing ring round each bolt hole to prevent contact corrosion -arrow 2-.

-- Coat the gear carrier surfaces with MTF.

-- Coat both outer ring surfaces on the gear carrier slightly with MTF.

Fig 2: Identifying Gear Carrier -Arrow A- Must Fit Into Opening In Transmission Intermediate Housing -Arrow B-

Courtesy of AUDI OF AMERICA, LLC

-- Insert the gear carrier.

• Installed position: The tab on the gear carrier -arrow A- must fit into the opening in the transmission intermediate housing -arrow B-.

-- Place the center differential -2- on the transmission -1-.

Fig 3: Center Differential

Courtesy of AUDI OF AMERICA, LLC

-- Mount the guide sleeve -4- on the center differential.

-- Install the pressure spring -3- into the center differential.

-- Press the center differential housing centrally on until it makes contact with the transmission intermediate housing and hold it securely.

Fig 4: Tightening Specification And Sequence, Center Differential Housing - Attached Driveshaft

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the center differential housing bolts. Refer to Figure.

-- Install the transmission, refer to the Removal and Installation

-- Install the driveshaft (attached), refer to the appropriate service information .

-- Fill with MTF, refer to General Information .