Center Differential Housing, Removing And Installing: Installing

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Installing the Center Differential and Housing

Fig 1: Installing Gear Carrier Into Transmission Housing

Courtesy of AUDI OF AMERICA, LLC

Tightening specifications. Refer to OVERVIEW - CENTER DIFFERENTIAL HOUSING .

-- Clean both housing separating surfaces thoroughly.

Install the gear carrier on the transmission as follows:

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

-- Slide the center differential -2- all the way in direction of the gear carrier -1-.

-- Install the plate spring -5-, the adjusting shim(s) -4- and the pressure spring -3- in the center differential housing -6-.

Plate spring installed position -5- : the inner diameter with it camber -arrow- faces the center differential housing -6-.

-- Apply the Sealant AMV 188 001 02 evenly and not too thick.

-- Then position the center differential housing -6- on the transmission.

Fig 2: Identifying Differential Housing -6-, Pressure Spring -3-, Adjusting Shim -4- & Plate Spring -5-

Courtesy of AUDI OF AMERICA, LLC

-- Press the center differential housing -B- all the way onto the transmission housing and hold it securely.

-- Install and tighten the new bolts -arrows-. Tightening specification, refer to -item 3- Bolt (See Figure).

-- Tighten the bolts -A-. Tightening specification, refer to -item 1- Bolt (See Figure).

Fig 3: Locating Center Differential Housing Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the tunnel crossmember on the transmission mount -arrows-. Tightening specification, refer to OVERVIEW - SUBFRAME MOUNT -item 1- "Nut".

Fig 4: Identifying Nuts & Tunnel Crossmember

Courtesy of AUDI OF AMERICA, LLC

-- Raise the transmission and tighten the tunnel crossmember bolts -arrows-. Tightening specification, refer to OVERVIEW - SUBFRAME MOUNT -item 2- "Bolt".

Fig 5: Identifying Bolts & Tunnel Crossmember

Courtesy of AUDI OF AMERICA, LLC

-- Attach or install the driveshaft on the transmission. Refer to OVERVIEW - DRIVESHAFT, MOUNTED ON TRANSMISSION SIDE or OVERVIEW - DRIVESHAFT, BOLTS ON TRANSMISSION SIDE . For Sport Differential, refer to OVERVIEW - DRIVESHAFT BOLTED ON TRANSMISSION SIDE, AUDI A4 AND A5 or OVERVIEW - DRIVESHAFT, MOUNTED ON TRANSMISSION SIDE . .

Fig 6: Identifying Driveshaft Heat Shield

Courtesy of AUDI OF AMERICA, LLC

-- If equipped, install the driveshaft heat shield -A- and tighten the bolts -arrows- to the tightening specification.

-- Fill transmission oil and check oil level. Refer to TRANSMISSION FLUID LEVEL, CHECKING .

-- Assemble the exhaust system and align it without tension. Refer to OVERVIEW - MUFFLER .

-- Install the rear noise insulation. Refer to OVERVIEW - NOISE INSULATION .

Tightening Specification

Component	Nm
Driveshaft heat shield to center differential housing	25