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Home >> Audi >> 2022 >> A5 Quattro Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 253 (Cylinder Head, VALVETRAIN [CWGD,DECA,CZSE,DLZA,DKMB,CZSA,DCBD,DCBE]) >> 15 Cylinder Head, VALVETRAIN >> Chain Drive >> Camshaft Timing Chain, Removing From Camshafts >> Camshaft Timing Chain, Removing From Camshafts, Cylinder Bank 2 (Left) >> Removing

Camshaft Timing Chain, Removing From Camshafts, Cylinder Bank 2 (Left): Removing

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Required preliminary work when removing the camshaft timing chain from the camshafts with the engine installed. Refer to CAMSHAFT TIMING CHAIN, REMOVING FROM CAMSHAFTS .

CAUTION:

Risk of destroying the engine by adjusting the valve timing.

- Never turn the crankshaft and camshafts if the chain drive is not completely installed.

-- Remove the cylinder bank 2 upper timing chain cover. Refer to TIMING CHAIN GUARD UPPER SECTION, REMOVING AND INSTALLING .

-- Remove the upper air duct pipe. Refer to AIR DUCT PIPE, REMOVING AND INSTALLING .

-- Remove the vacuum pump. Refer to VACUUM PUMP, REMOVING AND INSTALLING .

GWWA13-11202Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of damaging the engine by the timing mechanism skipping.

- Only let the engine turn in the direction of engine rotation.

-- Using the Wrench - 21mm: T40263  and Adapter: T40314  , turn the crankshaft in direction of -arrow- until the vibration damper is at "TDC" (shown on a 3.0L engine).

-- Remove the bolts -arrows- and remove the plugs -2-.

GWWA15-11985Courtesy of AUDI OF AMERICA, LLC

-- Push the oil dipstick tube -1- slightly to the side.

-- Tighten the : T40331/2  on the camshaft housing to 9 Nm.

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-- Insert the : T40331/1  all the way in the camshafts. If necessary slightly turn the crankshaft.

-- Tighten the bolts -arrows- to 9 Nm.

TIP:

GWWA15-11988Courtesy of AUDI OF AMERICA, LLC

The : T90001  can only be inserted in one position for this the notch -1- and the mark -2- on the camshaft adjuster must align to each other.

GWWA15-11989Courtesy of AUDI OF AMERICA, LLC
CAUTION:

There is a risk of damaging the camshaft if handled incorrectly.

- Never use the camshaft positioning tool as a counterholder.

-- To counterhold on the affected camshaft adjuster, position the : T90001  with : VAS261001  , and loosen the control valve -1- with the : T90000  .

-- For reinstallation mark the camshaft adjuster to the camshafts using paint.

Procedure, If the Engine Is NOT Removed Due to Preliminary Work. 

-- Install the : T40264/3  at the vibration damper opening all the way by hand into the belt pulley side sealing flange. If necessary, move the crankshaft back and forth slightly to center the bolt.

Procedure, If the Engine Is Removed Due to Preliminary Work. 

GWWA15-12068Courtesy of AUDI OF AMERICA, LLC

-- Install the : T40069  in the hole and tighten to 20 Nm. If necessary push the crankshaft slightly back and forth.

Continuation: 

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-- Turn back the glide rail -2- in direction of -arrow- and pistons from the chain tensioner -1- using the : T03006  .

TIP:

The piston is lubricated with oil and can only be pushed back slowly by applying constant pressure.

-- Remove the control valves -1 and 2- and remove both camshaft adjusters.

GWWA15-11991Courtesy of AUDI OF AMERICA, LLC