LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2012 >> A7 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CGXB & CTUA >> 15 Cylinder Head, VALVETRAIN >> Chain Drive >> Camshaft Timing Chain, Removing And Installing >> Removing

Camshaft Timing Chain, Removing And Installing: Removing

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

-- Remove the cylinder head covers. For the left side, refer to LEFT CYLINDER HEAD COVER, REMOVING AND INSTALLING  and for the right side refer to RIGHT CYLINDER HEAD COVER, REMOVING AND INSTALLING .

-- Remove the affected camshaft timing chain from camshafts, refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .

Fig 1: Identifying Special Tool - T40071
GWWA13-10489Courtesy of AUDI OF AMERICA, LLC
CAUTION:

If the running direction is reversed on a used camshaft timing chain, it could be damaged.

  • Paint arrows to mark the left and right camshaft timing chain running direction so they can be installed again. Do not mark the camshaft timing chain with a punch, notch or something similar.

-- Remove the Locking PinT40071 and the left camshaft timing chain.

-- Remove the bolts -1- and -2- and the right chain tensioner.

Fig 2: Identifying Chain Tensioner
GWWA13-10484Courtesy of AUDI OF AMERICA, LLC

-- Press the timing mechanism chain tensioner guide rail in the direction of -arrow- and secure the chain tensioner using a Locking PinT40071.

-- Remove the drive chain sprocket bolt -1-.

-- Remove the drive chain sprocket and remove the right camshaft timing chain.

Fig 3: Identifying Chain Tensioner Using T40071
GWWA13-10367Courtesy of AUDI OF AMERICA, LLC