Camshaft Timing Chains, Removing From Camshafts: Removing

WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, and 2010 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The camshaft timing chains remain on the engine in the following description.

If working on just one of the cylinder heads, it is not necessary to remove the timing chain cover on the opposite cylinder head.

-- Remove the timing chain guard. Refer to LEFT AND RIGHT TIMING CHAIN COVERS .

-- Install the cylinder head: left refer to LEFT CYLINDER HEAD COVER , right refer to RIGHT CYLINDER HEAD COVER .

-- Remove the ribbed belt from the tensioning element and release the tension on the tensioning element:

-- Place the V.A.G 1782 under the engine.

Fig 1: Connecting/Disconnecting Coolant Hoses With Hose Clamps

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and move oil cooler to the side with the coolant hoses -1 and 2- still connected.

Fig 2: Disconnecting Connector For Wiring To Air Conditioning Compressor Clutch Solenoid

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Refrigerant can cause serious personal injury.

Do not open the air conditioning refrigerant circuit.

-- Remove Air Conditioning (A/C) compressor bolts -arrows-.

CAUTION:

Danger of damaging the refrigerant lines and hoses.

Do not stretch, kink or bend refrigerant lines and hoses.

-- Remove the A/C compressor from the bracket and with the lines still connected to the left longitudinal member, tie it up.

NOTE:

Ignore -1-.

-- Insert the T40058 guide pins as follows:

Fig 3: Identifying Guide Pin And Adapter T40058

Courtesy of AUDI OF AMERICA, LLC

The large diameter -arrow 1- faces the engine.
The small diameter -arrow 2- faces the adapter.

-- Remove the front noise insulation -1-, if necessary. Refer to OVERVIEW - NOISE INSULATION .

Fig 4: Identifying Noise Insulation

Courtesy of AUDI OF AMERICA, LLC

-- Rotate the crankshaft in the direction of engine rotation -arrow- to "TDC" using the T40058 and wrench.

Fig 5: Using Socket T40058 To Counter Hold Crankshaft

Courtesy of AUDI OF AMERICA, LLC

The threaded holes -arrows- in the camshafts must face upward.

Fig 6: Locating Threaded Holes -Arrows- In Camshafts, Must Face Upward
Courtesy of AUDI OF AMERICA, LLC

-- Install the T40133 in both cylinder heads and tighten -arrows- to 25 Nm.

Fig 7: Identifying Camshaft Adjuster T40133

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The illustration shows the left cylinder head.

-- Remove the locking bolt -arrow- for the Top Dead Center (TDC) marking crankshaft from the cylinder block.

Fig 8: Identifying Locking Bolt -Arrow-

Courtesy of AUDI OF AMERICA, LLC

-- Install the T40069 in the hole and tighten to 20 Nm. Turn the crankshaft -1- back slightly to completely center the bolt, if necessary.

Fig 9: Identifying Crankshaft Holder T40069 In Hole, Removal/Installation

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The chain tensioner for the camshaft timing chain is oil-dampened. Compress it by slowly applying constant pressure.

Fig 10: Identifying Left Timing Chain Tensioning

Courtesy of AUDI OF AMERICA, LLC

-- Press the left camshaft timing chain tensioner guide rails in as far as the stop using a screwdriver -1- and secure the chain tensioner with a T40071.

-- Press the right camshaft timing chain tensioner guide rails in as far as the stop using a screwdriver -1- and secure the chain tensioner with a T40071.

Fig 11: Identifying Right Timing Chain Tensioning

Courtesy of AUDI OF AMERICA, LLC

Fig 12: Counterholding Affected Camshaft Adjuster

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

The camshafts can get damaged.

Do not use the T40133 to counter hold when loosening the camshaft adjuster bolt or the camshaft sprocket.

-- To counter hold at the affected camshaft adjuster, position the T10172 with pins T10172/2 and loosen the bolts using the socket T10035.

NOTE:

Ignore -1- and -arrow-.

-- To counter hold, place the 3212 on the camshaft chain sprocket and loosen the bolt using the T10035.

Fig 13: Counterholding Exhaust Camshaft With 3212

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Ignore -1- and -arrow-.

-- Mark the installation position of the camshaft adjuster and the camshaft chain sprocket in color for installing later.

Fig 14: Identifying Cylinder Cover Bolts -1 And 2-

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

Danger of causing damage to the engine.

To prevent small parts from accidentally entering the engine through the opening in the timing chain compartment, cover the opening with a clean cloth.

-- Remove the bolts -1 and 2- on the left side of the cylinder cover, then remove the camshaft adjuster and the camshaft chain sprocket.

-- Mark the installation position of the camshaft adjuster and the camshaft chain sprocket in color for installing later.

Fig 15: Identifying Right Camshaft Adjuster And Camshaft Sprocket Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1 and 2- on the right side of the cylinder cover, then remove the camshaft adjuster and the camshaft chain sprocket.