Camshaft Adjuster

Special Tools And Workshop Equipment Required 

• Socket T40080
• Camshaft clamp T10252
• Toothed belt tensioner T10020
• Locking pin T10115
• Torque wrench (40-200 Nm) VAG 1332
• Hose clamps up to 25 mm diameter 3094

Removing 

-- Remove the cylinder head cover. Refer to CYLINDER HEAD COVER .

-- Remove the high pressure pump -1-. Refer to HIGH PRESSURE PUMP .

Fig 1: Identifying High Pressure Pump -1-, Cover -2-, Hose Clamp 3094 (Up To 25 mm Dia.), Electrical Connector -3- And Coolant Pipe -4-

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-- Disconnect the vacuum line -7- from the vacuum pump.

-- Disengage and disconnect the electrical connector -3-.

-- Clamp off the coolant hose using the 3094 and disconnect the hose from the coolant pipe -4-.

-- Disconnect the coolant pipe -4- from the engine.

-- Remove the wiring harness from the brackets -5-.

-- Remove the cover -2- for the camshaft adjuster.

-- Bring the mark on the camshaft gear to alignment with the mark on the toothed belt guard. Recesses -arrows- now point to each other vertically.

Fig 2: Identifying Marking On Camshaft Gear Aligned With Marking On Toothed Belt Guard

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-- Install and secure the T10252 as shown with bolts -arrows-.

Fig 3: Identifying Camshafts Secured Using Camshaft Locator T10252

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-- Loosen the bolt for the camshaft adjuster using the T40080.

-- Compress the chain tensioner -arrow A- and secure it using the T10115 -arrow B-.

Fig 4: Identifying Chain Tensioner Compressed And Secured Using Locking Pin T10115

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-- Remove the bolt for the camshaft adjuster and remove it with the chain.

Installing 

• Camshafts are secured using the T10252.
  Fig 5: Identifying Camshafts Secured Using Camshaft Locator T10252

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-- Place the chain onto the camshaft adjuster.

-- Hold the camshaft adjuster in front of the exhaust camshaft so that notch -A- and pin -B- align.

Fig 6: Identifying Camshaft Adjuster & Exhaust Camshaft Notch And Pin

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-- Place the chain in this position onto the intake camshaft chain sprocket, first at the top -arrow-.

Fig 7: Identifying Intake Camshaft Chain Position

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-- Slowly turn the intake camshaft using the T10020 in the -direction of arrow A- until the camshaft adjuster fits onto the camshaft.

Fig 8: Identifying Pin Wrench T10020 To Turn Intake Camshaft Until Camshaft Adjuster Fits On Camshaft

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-- Tighten the new camshaft adjuster bolt. To do so, use the T40080.

-- Remove the T10115 -arrow B-.

Fig 9: Identifying Chain Tensioner Compressed And Secured Using Locking Pin T10115

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The rest of the assembly is basically a reverse of the removal sequence.

-- Install the high pressure pump. Refer to HIGH PRESSURE PUMP .

-- Note the tightening sequence for the cylinder head cover. Refer to CYLINDER HEAD COVER .