Balance Shaft, Removing And Installing, Intake Side: Installing

Install in reverse order of removal and note the following:

• Replace the bolts that were tightened with an additional turn after removing them.
• Replace the intermediate sprocket after removal.

-- Slide on the pipe at the same time pay attention to the installation position. Refer to Figure.

-- Push together the needle cage from the new needle bearing until it engages.

-- Check if all rollers are correctly installed in the bearing cage.

-- Grease the bearing and bearing track -arrows- from the intake side balance shaft with engine oil.

Courtesy of AUDI OF AMERICA, LLC

-- Turn the balance shaft in the installation position.

• The semi-round ring bearing contact surface must point upward.

-- Install the intake side balance shaft and tighten the bolt -2-.

Fig 1: Identifying Intake Camshaft Balance Shaft

Courtesy of AUDI OF AMERICA, LLC

-- Replace the O-ring -1- and coat with engine oil.

Fig 2: Bearing Pins Installation Position

Courtesy of AUDI OF AMERICA, LLC

-- Coat the mounting pin with engine oil and insert it. The alignment pin -arrow- for the mounting pin must engage in the cylinder block hole.

The new intermediate sprocket has an anti-friction coating that wears off after a short period of use, which automatically adjusts the backlash.

-- Mark the tooth flank on the intermediate sprocket with a color -arrow-.

Fig 3: Identifying Tooth Face On Intermediate Shaft Sprocket Marked With Paint

Courtesy of AUDI OF AMERICA, LLC

-- Install the intermediate sprocket; the marking on the balance shaft must be between the markings on the tooth flanks.

-- Tighten the bolt -1- for the intermediate sprocket. Refer to Fig 4 or the tightening sequence.

Fig 4: Identifying Intermediate Shaft Sprocket

Courtesy of AUDI OF AMERICA, LLC

-- Check the markings on the intermediate sprocket/balance shaft -arrow-.

-- Install the camshaft timing chain. Refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .

-- Replace the balance shaft intake side seal. Refer to BALANCE SHAFT GASKET, REPLACING, INTAKE SIDE .

-- Install the coolant pump toothed belt. Refer to COOLANT PUMP TOOTHED BELT, REMOVING AND INSTALLING .

-- Install the radiator. Refer to RADIATOR, REMOVING AND INSTALLING .