Balance Shaft, Removing And Installing, Intake Side: Installing

Courtesy of AUDI OF AMERICA, LLC

• After removing the balance shaft the needle bearing must be replaced.
• The needle bearing rim is colored, a needle bearing rim of the same color must be installed.

-- Lubricate the balance shaft mountings -arrows- with engine oil.

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

Courtesy of AUDI OF AMERICA, LLC

-- Coat the new O-ring -1- with engine oil.

Courtesy of AUDI OF AMERICA, LLC

-- Coat the mounting pin with engine oil and insert.

• The alignment pin -arrow- for the bearing pins must engage in the hole in the cylinder block.

TIP: 

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-.

Courtesy of AUDI OF AMERICA, LLC

-- Push in 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, in this gear position. Refer to the illustration below for the tightening sequence.

Courtesy of AUDI OF AMERICA, LLC

-- Check the markings on the intermediate sprocket/balance shaft -arrow-. Refer to the illustration below.

Courtesy of AUDI OF AMERICA, LLC

Further installation is performed in reverse order of removal, while noting the following:

-- Install the balance shaft drive chain. Refer to BALANCE SHAFT DRIVE 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 .