Timing Mechanism Drive Chain, Removing And Installing

WARNING: This page is about a different car, the 2011 Audi Q7, 2010 Audi Q7, and 2009 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Locking Pin T40071
3.3 mm diameter drill bit

Removal

The transmission is removed.

-- Remove the camshaft timing chains, refer to CAMSHAFT TIMING CHAIN, REMOVING AND INSTALLING .

-- Remove the power take-off drive chain. Refer to POWER TAKE-OFF DRIVE CHAIN, REMOVING AND INSTALLING .

-- Press the drive chain tensioner rail in the -direction of the arrow- and secure the chain tensioner with a Locking Pin T40071.

Fig 1: Identifying Press And Secure Drive Chain Tensioner Rail Using Locking Pin T40071

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Risk of destroying due to reversed running direction on a used drive chain.

Mark drive chain running direction with arrows using paint for reinstallation.

-- Remove the bolts -1- and the guide rail.

-- Remove the bolts -2- and -3- and remove the chain sprockets and drive chain.

Installation

Install in reverse order of removal. Note the following:

Tightening specifications. Refer to TIMING MECHANISM DRIVE CHAIN OVERVIEW .

-- Install the power take-off drive chain. Refer to POWER TAKE-OFF DRIVE CHAIN, REMOVING AND INSTALLING .

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

-- Fill engine oil and check the oil level. Refer to Maintenance Booklet 406.