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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (4.2L - Cylinder Head & VALVETRAIN - Engine Code: Bar) >> 15 Cylinder Head, VALVETRAIN >> Removal And Installation >> Timing Mechanism Drive Chain >> Removing

Timing Mechanism Drive Chain: Removing

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove drive plate. Refer to DRIVE PLATE .

-- Remove the cylinder head cover. Refer to LEFT CYLINDER HEAD COVER , RIGHT CYLINDER HEAD COVER .

-- Remove left and right timing chain covers. Refer to LEFT AND RIGHT TIMING CHAIN COVERS .

-- Remove the intake manifold. Refer to INTAKE MANIFOLD, REMOVING AND INSTALLING .

-- Remove oil filter housing. Refer to OIL FILTER HOUSING .

-- Remove lower timing chain cover. Refer to LOWER TIMING CHAIN COVER .

-- Remove camshaft timing chains. Refer to CAMSHAFT TIMING CHAIN .

-- Remove power take-off drive chain. Refer to POWER TAKE-OFF DRIVE CHAIN .

-- Push drive chain tensioner guide rail in direction of -arrow- and secure chain tensioner using T40071.

Fig 1: Identifying Bolts And Chain Tensioner
GWWA13-10362Courtesy of AUDI OF AMERICA, LLC
CAUTION:

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

  • Mark the drive chain running direction with arrows using paint for installation later. Do not mark the chain using a punch, notch or similar.

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

-- Remove bolts -2 to 4- and remove chain tensioner.

-- Remove timing mechanism drive chain.