Drive chain or chain tensioner for oil pump, removing and installing

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Removing

Remove oil pan (upper part). Refer to Oil pan (upper part), removing and installing .
Remove front sealing flange. Refer to Front sealing flange, removing and installing .

Fig 1: Unscrewing/Screwing Bolts And Removing/Installing Chain Tensioner From Front Sealing Flange

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unscrew bolts -4- and remove chain tensioner -3- from front sealing flange -1-.
Remove chain from drive chain gear.

Installing

Fig 2: Unscrewing/Screwing Bolts And Removing/Installing Chain Tensioner From Front Sealing Flange

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Replace O-ring -2-.
Bolt in chain tensioner -3- with bolts -4- (with washers) to front sealing flange -1-.

Fig 3: Pressing Chain Tensioner Until Drill Bit Can Be Slid Into Alignment Hole Of Sealing Flange And Chain Tensioner

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unscrew locking bolt from adjustment hole -3-.
Press chain tensioner -1- in direction of arrow until 3 mm diameter drill bit -2- can be slid into alignment hole of sealing flange and chain tensioner.
Install front sealing flange. Refer to Installing .
Remove oil pan (upper part). Refer to Removing .

Tightening torque

Component	Nm
Chain tensioner to front sealing flange	12