Camshafts and camshaft adjusters, removing and installing: Removing

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Toothed belt, removing. Refer to Toothed belt, removing and installing .
Remove respective camshaft gears.
Remove combination valve for Secondary Air Injection. Refer to Left combination valve for secondary air injection, removing and installing or Right combination valve for secondary air injection, removing and installing .

Right cylinder head

Fig 1: Disconnecting Electrical Harness Connectors At Camshaft Position (CMP) Sensor -G40- And Camshaft Position (CMP) Sensor 3 -G300-

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect electrical harness connectors -1- and -2- at Camshaft Position (CMP) sensor -G40- and Camshaft Position (CMP) sensor 3 -G300-.

Fig 2: Unscrewing Bolts And Removing Bracket With Idler Roller & Toothed Belt Guard At Right Rear

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unscrew bolts -1- and remove bracket with idler roller.
Unscrew bolts -2- and remove toothed belt guard at right rear.

Left cylinder head

Fig 3: Unscrewing Bolts And Removing Toothed Belt Guard At Left Rear

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unscrew bolts -1- and -2- and remove toothed belt guard at left rear.

All

Remove T40030 camshaft adjuster gauge from camshafts.

Fig 4: Unscrewing Bolts And Removing Housing For Camshaft Adjustment Valves

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unscrew bolts -1- to -6- and remove housing for camshaft adjustment valves.

Fig 5: Unscrewing Bolts And Removing Housing For Camshaft Position (CMP) Sensor

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Unscrew bolts -1- to -6- and remove housing for Camshaft Position (CMP) sensor.

Fig 6: Locating Bolts Of Guide Frame In Sequence Of Numbers

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Loosen bolts of guide frame in sequence of numbers and follow arrows.

Fig 7: Pressing Off Guide Frame With M6 Bolts

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Press off guide frame with M6 bolts (arrows).
Carefully remove guide frame.

WARNING:

Wear protective glasses.

Using rotating plastic brush, remove remaining sealant from cylinder head and guide frame.
Clean sealing surfaces so they are completely free of any oil or grease.