Tightening Specifications

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Refer to OVERVIEW - CENTER DIFFERENTIAL HOUSING, WITH TRANSMISSION OUTPUT SHAFT (ATTACHED DRIVESHAFT) .

NOTE:

Replace the aluminum bolts for the center differential housing.

-- In the housing coat the gear carrier surface with transmission fluid.

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

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

-- Using Sealing Compound AMV 188 001 02 apply sealant bead -arrow 1- evenly and not too thick on the housing separating surface.

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

Install the gear carrier on the transmission as follows:

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

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

-- Insert the gear carrier.

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

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

Fig 3: Center Differential

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

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

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

Fig 4: Locating Center Differential Housing Bolts

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-- Install the steel bolts -A- and the new aluminum bolts -arrows- and fasten the center differential.

-- Install the tunnel crossmember and tighten it. Refer to OVERVIEW - SUBFRAME MOUNT .

Fig 5: Identifying Tunnel Crossmember And Bolts

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-- Install the driveshaft. 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

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-- Install the driveshaft heat shield -A- and tighten the bolts -arrows- to 25 Nm, if equipped.

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

-- Assemble the exhaust system align it without tension. Refer to EXHAUST PIPES/MUFFLERS (For engine code CALA), EXHAUST PIPES/MUFFLERS (For engine codes CAED, CAEB, CPMB, CPMA), or EXHAUST PIPES/MUFFLERS (for engine codes CCBA, CGXC, CTUB). .

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