Camshaft Timing Chain, Removing And Installing: Removing

• The transmission is removed.

-- Remove the drive plate. Refer to DRIVE PLATE, REMOVING AND INSTALLING .

-- Remove the timing chain covers. Refer to LOWER TIMING CHAIN COVER, REMOVING AND INSTALLING .

-- Insert the Crankshaft Key:T40049  at the rear of the crankshaft using two used drive plate bolts -arrows-.

Fig 1: Identifying Key T40049 At Rear On Crankshaft And 2 Old Bolts For Dual-Mass Flywheel

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NOTE:

The Camshaft Adjustment Pins:T40060  has a flat part -2- which makes it easier to insert if the holes on the camshaft and the cylinder head are slightly offset.

Fig 2: Identifying Adjustment Pin T40060

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Insert the pin so that the bolt -1- is perpendicular to the camshaft axle.

Move the bolt -1- 90° -arrow- so that it is perpendicular to the camshaft axle and it is possible to attain the correct "TDC" position.

Fig 3: Checking Camshafts TDC Position

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-- Rotate the crankshaft to "TDC" :

• It must be possible to secure the camshafts with the Camshaft Adjustment Pins:T40060  .
• The pin -arrow- in the Camshaft Adjustment Pins:T40060  must be perpendicular to the center line of the camshaft on cylinder bank 1 (right).

• The pin -arrow- in the Camshaft Adjustment Pins:T40060  must be perpendicular to the center line of the camshaft on cylinder bank 2 (left).
  Fig 4: Identifying Perpendicular Pin -Arrow- On Adjustment Pin T40060

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-- Remove locking bolt -arrow- from upper part of oil pan.

Fig 5: Identifying Locking Bolt Of Upper Part Of Oil Pan

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Fig 6: Identifying Crankshaft Holder 3242

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-- Install the Crankshaft Key:3242  in the hole and tighten to 20 Nm. Rotate the crankshaft back and forth slightly to center the pin completely, if necessary.

-- To protect against cuts, wrap the point and the cutting edges on a 3.3 mm drill bit with insulating tape.

Fig 7: Identifying Chain Tensioner Secured Using 3.3 Mm Diameter Drill Bit

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-- Push the tensioning track for the left camshaft timing chain tensioner in the direction of the -arrow- and secure the chain tensioner with a 3.3 mm drill bit -item 1-.

-- Remove the Camshaft Adjustment Pins:T40060  from both camshafts.

-- Remove the bolt -3- and remove the tensioning rail.

Fig 8: Identifying Bolts -1- For Guide Rail And Bolts -2- For Camshaft Chain Sprocket

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-- Remove the bolts -1- for the guide rail and bolts -2- for the camshaft chain sprocket.

-- Remove the camshaft chain sprocket, guide rail and left camshaft timing chain.

-- To protect against cuts, wrap the point and the cutting edges on a 3.3 mm drill bit with insulating tape.

Fig 9: Identifying 3.3 mm Diameter Drill Bit -1- To Install Chain Tensioner Guide Rail On Right Camshaft Timing Chain

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-- Push the chain tensioner guide rail for the right camshaft timing chain in the direction of the -arrow- and secure the chain tensioner with a 3.3 mm drill bit -1-.

Fig 10: Identifying Chain Tensioner Guide Rail Installed On Right Camshaft Timing Chain

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-- Remove the chain tensioner bolts -1- and camshaft chain sprocket bolts -2 and 3-.

-- Remove the camshaft chain sprocket, chain tensioning and right camshaft timing chain.