Center Differential Housing, Transmission Installed

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Special tools and workshop equipment required

Engine/Transmission Jack VAG 1383 A
Transmission Support 3282
Oil Collecting and Extracting Device VAG 1782
Protective eyewear

Removing

Transmission installed.

CAUTION:

There is a risk of damaging the transmission.

Do not let the engine run or tow vehicle without gear oil.

NOTE:

General repair instructions, refer to REPAIR INFORMATION .

Clean working conditions for the automatic transmission. Refer to CLEAN WORKING CONDITIONS .

-- Remove the rear noise insulation -2-. .

Fig 1: Identifying Noise Insulation

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CAUTION:

Danger of damaging the flex joint in the front muffler.

Do not bend the decoupling element in the front muffler more than 10°.

-- Loosen the bolts -arrows-, slide the sleeve to the rear and tie up the front muffler to the side.

Fig 2: Clamping Sleeve Threaded Connections

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-- Remove the bolts -arrows- and remove the driveshaft heat shield (if equipped).

Fig 3: Locating Driveshaft Heat Shield Bolts

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-- Remove the driveshaft. Refer to REMOVAL AND INSTALLATION .

CAUTION:

Danger of damaging the transmission fluid pan.

Never use the transmission fluid pan as a support for the transmission.

-- Install the 2 flat mounts -1- and -2- in the 3282.

Fig 4: Install 2 Flat Mounts And 3282

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-- Mount the 3282 on the VAG 1383 A.

-- Support the transmission at the bolting surfaces on the transmission fluid with a rubber pad -3- as illustrated.

-- Lift the transmission slightly using the VAG 1383 A.

WARNING:

There is the risk of an accident.

The VAG 1383 A may only be used during assembly and must not sit unsupervised under the vehicle.

-- Remove the bolts from the tunnel crossmember -arrows-.

Fig 5: Identifying Crossmember & Bolts

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-- Remove the nuts -arrow- and the tunnel crossmember.

Fig 6: Remove Nuts And Tunnel Crossmember

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-- Place the VAG 1782 under the transmission.

Fig 7: Locating Center Differential Housing Fill Plug And Drain Plug

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-- Drain the gear oil from the transfer case. Refer to TRANSFER CASE GEAR OIL, DRAINING AND FILLING .

-- Lower the transmission with the VAG 1383 A just far enough until the transmission fluid pan is not touching the crossbrace -A-.

Fig 8: Lower Transmission With VAG 1383 Just Far Enough Until Transmission Fluid Pan Is Not Touching Crossbrace

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-- Remove the bolts from the center differential housing in the following sequence: -6 to 1-.

Fig 9: Center Differential Housing Bolts Loosening And Tightening Sequence

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CAUTION:

Transmission components could be damaged.

Carefully remove the center differential housing from the transmission toward the rear. Otherwise the center differential could fall out of the transmission.

-- Secure the center differential -1- so it does not fall out or remove it toward the rear from the input shaft.

Fig 10: Secure Center Differential So It Does Not Fall Out Or Remove It Toward Rear From Input Shaft

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Installing

Install in reverse order, paying attention to the following:

NOTE:

Replace the center differential housing O-ring.

If the center differential -1- was removed:

-- Position the center differential on the input shaft splines. Rotate the center differential slightly when doing this.

-- Make sure the center differential can be turned by hand.

-- Install the housing with the output shaft installed and the new O-ring onto the center differential. Rotate the housing slightly if necessary.

-- Tighten the center differential housing bolts CENTER DIFFERENTIAL HOUSING - TIGHTENING SPECIFICATION AND SEQUENCE .

Fig 11: Center Differential Housing Bolts Loosening And Tightening Sequence

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-- Install tunnel crossmember. Refer to TUNNEL CROSSMEMBER .

-- Install the driveshaft. Refer to REMOVAL AND INSTALLATION .

-- Install exhaust system and adjust free of tension. Refer to EXHAUST PIPES/MUFFLERS for engine code CAEB, CPMA, CAED, CPMB, or EXHAUST PIPES/MUFFLERS for engine code CALA .

-- Fill gear oil in transfer case. Refer to TRANSFER CASE GEAR OIL, DRAINING AND FILLING .