Continue if the valve timing is correct:

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-- Remove the Diesel Injection Pump Locking Pin: 3359 and Crankshaft Lock: T10490 .

-- Turn the crankshaft two turns in direction of engine rotation until the crankshaft is just before "TDC" again.

-- Check the valve timing again. Refer to Valve Timing, Checking: .

CAUTION:

There is a risk of damaging the camshaft if handled incorrectly.

- Never use the camshaft positioning tool as a counterholder.

-- If the camshaft carrier can now be secured, tighten the camshaft toothed belt sprocket bolt -1- to the final tightening specification by removing the Diesel Injection Pump Locking Pin: 3359 and counterholding the camshaft toothed belt sprocket with the Counterhold - Multiple Use: T10172A and Camshaft Lock: T10172/11 .

Fig 1: Identifying Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nut -2- for the high pressure pump toothed belt sprocket to the final tightening specification using the Counterhold - Camshaft Gear: T10051 . Refer to OVERVIEW - HIGH PRESSURE PUMP .

-- Check the valve timing again. Refer to Valve Timing, Checking: .

Assembling

The rest of the assembly is performed in reverse order of removal, noting the following:

Replace the seals.

-- Tighten the bolt -1-.

Fig 2: Identifying Crankshaft Holder

Courtesy of AUDI OF AMERICA, LLC

-- Install the lower toothed belt guard. Refer to LOWER TOOTHED BELT GUARD, REMOVING AND INSTALLING .

-- Install the upper toothed belt guard. Refer to UPPER TOOTHED BELT GUARD, REMOVING AND INSTALLING .

-- Install the engine support. Refer to ENGINE SUPPORT, REMOVING AND INSTALLING .

Tightening Specifications

Refer to OVERVIEW - TOOTHED BELT
Refer to OVERVIEW - TOOTHED BELT GUARD