Detaching timing chains from camshaft, removing and installing chain tensioner: Removing

WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

According to the following description, the timing chains for camshafts remain on engine. If the timing chains for camshafts are to be completely removed, the lower timing chain cover must also be removed → Lower timing chain cover, removing and installing .

Remove cylinder head cover: Left → Left cylinder head cover, removing and installing , right → Right cylinder head cover, removing and installing .
Remove left and right timing chain covers → Left and right timing chain covers, removing and installing .

Fig 1: Locating Fasteners Exhaust Pipe

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For vehicles with auxiliary heater, remove bolts - arrows - for exhaust pipe of parking heater/auxiliary heater on noise insulation.

Fig 2: Identifying Quick-Release Fasteners And Noise Insulation

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Loosen quick-release fasteners - 1 - and - 2 - and remove front noise insulation. Rear section of noise insulation remains installed.

Fig 3: Inserting Guide Pin Of Adapter T40058 So That Large Diameter Points To Engine

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Insert guide pin of adapter T40058 so that large diameter - arrow 1 - points to engine. Small diameter - arrow 2 - points to adapter.

Fig 4: Locating Torque Converter Bolts And Adapter T40058

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Using socket T40058 , rotate crankshaft in direction of engine rotation - arrow - to TDC.

Fig 5: Identifying Threaded Holes In Camshafts Must Face Upward

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

Fig 6: Mounting Camshaft Locating Tool T40070 To Both Cylinder Heads And Locating Bolts

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Mount camshaft locating tool T40070 to both cylinder heads and tighten bolts - arrows - to 20 Nm.

The camshaft locating tool T40070 is correctly positioned when holes for cylinder head bolts remain free.

Fig 7: Unfastening Left/Right Stabilizer Bar Mountings

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Unfasten left and right stabilizer bar mountings - 1 - and - 2 -.

Fig 8: Removing/Installing Sealing Plug From Cylinder Block

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Remove sealing plug - arrow - from cylinder block.

CAUTION: Do not turn crankshaft while touching TDC hole with finger - Risk of injury.

Fig 9: Installing Crankshaft Holder T40069 Into Hole

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Install crankshaft holder T40069 into hole - 1 - to 10 Nm, if necessary rotate crankshaft very slightly back and forth to completely center holder.
Mark running direction of left camshaft timing chain with paint.

Fig 10: Locating Camshaft Bolts On Left Cylinder Head

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Remove bolts - 1 - and - 2 - for camshaft adjuster using multipoint socket T10035.
Remove both camshaft adjusters.

Fig 11: Removing Bolts And Chain Tensioner

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Remove bolts - 1 - and - 2 - and remove chain tensioner.
Mark running direction of right camshaft timing chain with paint.

Fig 12: Removing Bolts For Camshaft Adjuster Using Multipoint Socket T10035

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Remove bolts - 1 - and - 2 - for camshaft adjuster using multipoint socket T10035.
Remove both camshaft adjusters.

Fig 13: Removing Bolts And Chain Tensioner

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Remove bolts - 1 - and - 2 - and remove chain tensioner.