Center Differential Housing, Removing And Installing, Attached Driveshaft: Installing

Install in reverse order of removal. Note the following:

• Tightening specifications. Refer to OVERVIEW - CENTER DIFFERENTIAL HOUSING .

-- 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; sealant.

Fig 1: Apply A Bead Sealant Evenly And Not Too Thick On Housing Surfaces

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 transmission fluid (MTF).

-- Coat both outer ring surfaces on the gear carrier slightly with transmission fluid (MTF).

Fig 2: Coat Both Outer Ring Surfaces On Gear Carrier Slightly With Transmission Fluid

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: Identifying 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: Center Differential Housing Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

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

-- Install the transmission. Refer to TRANSMISSION, INSTALLING

-- Install the (attached) driveshaft. Refer to DRIVESHAFT ATTACHED ON TRANSMISSION SIDE

-- Fill with transmission fluid (MTF). Refer to TRANSMISSION FLUID, DRAINING AND FILLING