Power Take-Off Drive Chain, Removing And Installing: Installing

Fig 1: Crankshaft Locking Pin T40069

Courtesy of AUDI OF AMERICA, LLC

• Tightening specifications, refer to OVERVIEW - BALANCE SHAFT AND OIL PUMP DRIVE CHAIN .
• Crankshaft -1- secured in "TDC" using Crankshaft Locking Pin T40069.

-- Install the chain tensioner with the drive chain and the balance shaft chain sprocket.

Fig 2: Securing Balance Shaft

Courtesy of AUDI OF AMERICA, LLC

-- To protect against cuts, wrap the point and the cutting edges on an 8 mm diameter drill bit with insulating tape.

-- Secure the balance shaft in the "TDC" position using an 8 mm diameter drill bit -2-.

• The slots in the balance shaft chain sprocket must be centered with the threaded holes in the balance shaft. Offset the chain by one tooth, if necessary.

-- Tighten the chain tensioner bolts.

-- Loosely install the chain sprocket bolts -1 and 3-.

• It must still be possible to rotate the chain sprocket on the balance shaft and it must not tip.

-- Remove the Locking Pin T40071 to release the chain tensioner.

-- Press against the chain tensioner guide rail -arrow- using a screwdriver while tightening the chain sprocket bolts -1 and 3-.

-- Remove the drill bit -2- from the balance shaft.

Install in reverse order of removal. Note the following:

-- Install the "TDC" marking locking bolt, refer to Fig 3.

Fig 3: Identifying Locking Bolt

Courtesy of AUDI OF AMERICA, LLC

-- Install the lower timing chain cover, refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .