Chain tensioner for oil pump, checking: Removing

The chain tensioner incorporates a leaf spring. To check the spring tension, the lower section of the oil pan must be removed.

• Remove bumper.

  See FRONT BUMPER .

• Move lock carrier to service position.

  See LOCK CARRIER, SERVICE POSITION .

• Remove ribbed belt. See RIBBED BELT, REMOVING AND INSTALLING .
• Remove lower section of oil pan. See LOWER SECTION OF OIL PAN, REMOVING AND INSTALLING .
• Insert a screwdriver between chain and chain tensioner and press screwdriver against chain tensioner.

  If no spring tension can be felt and the chain is not being tensioned, this means the chain tensioner is malfunctioning and must be replaced.

  Fig 1: Pressing Chain Tensioner

  Courtesy of AUDI OF AMERICA, INC.

  To replace oil pump chain tensioner, remove front sealing flange. See FRONT SEALING FLANGE AND OIL PUMP DRIVE CHAIN, REMOVING AND INSTALLING .