Checking the output flange on the rear transfer box

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Preliminary work

Remove rear UNDERBODY PROTECTION .
Remove the tunnel connecting SUPPORT .
If installed: remove the right and left TORSION STRUT where required.
Remove the HEAT SHIELDS .
Remove the RETAINING PLATES
Partially loosen the PROP SHAFT
Remove transmission CROSS-MEMBER .
Remove the output flange radial shaft SEAL (ATC 13-1).

NOTE: RISK OF DAMAGE
Damage to the transmission.
Damage to the transmission due to unapproved transmission oil.

Use only the approved TRANSMISSION OIL .
Check the transmission OIL LEVEL after completing the repair.

NOTE: TECHNICAL INFORMATION
Always replace the output flange with a new radial shaft seal.

Determine the thickness of the new shim before the installation of the output flange.
Determine and note dimension (A) of the old and new output flange.

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Determine and note dimension (B) of the old and new output flange.

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Determine the dimension (C) (= thickness of the shim) of the old shim.

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Calculate thickness of new shim:
- Step 1: (Dimension A. (previous output flange) + Dimension C. (previous shim) - dimension B (previous output flange)
- Step 2: Dimension A. (new output flange) - dimension B. (new output flange
- Step 3: Result step 1 - result step 2

Follow-up work

Install the output flange radial shaft SEAL (ATC 13-1).
Check/top up the transfer box OIL (active torque control 13-1).
Install transmission CROSS MEMBER .
Fasten the (partially removed) PROP SHAFT
Install the RETAINING PLATES .
Install the HEAT SHIELDS .
If installed: install the right and left TORSION STRUT where required.
Install the tunnel connecting SUPPORTS .
Install the transmission side UNDERBODY PLANKING .
Install rear UNDERBODY PROTECTION .