Right cylinder head, 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.
Special tools and equipment
- 3452 Polydrive key
Removing
- Engine installed.
NOTE:
All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.
- Remove intake manifold. Refer to Intake manifold, removing and installing .
NOTE:
Place a rag under the hydraulic pressure lines, to catch escaping hydraulic fluid.
Fig 2: Removing Power Steering Pressure Line From Power Steering Pump At Cylinder Head And At Rear Of Coolant Pipe
- Remove power steering pressure line from power steering pump at cylinder head and at rear of coolant pipe (arrows).
- Lay pressure line to side.
Fig 3: Disconnecting Electrical Harness Connectors At Camshaft Position (CMP) Sensor -G40- And Camshaft Position (CMP) Sensor 3 -G300-
- Disconnect electrical harness connectors -1- and -2- at Camshaft Position (CMP) sensor -G40- and Camshaft Position (CMP) sensor 3 -G300-.
- Toothed belt, removing. Refer to Toothed belt, removing and installing .
- Remove camshaft gears from right cylinder head.
- Unscrew bolts -1- and remove bracket with idler roller.
- Unscrew bolts -2- and remove toothed belt guard at right rear.
Fig 5: Removing Bolts And Combination Valve For Secondary Air Injection With Flange From Cylinder Head
- Remove bolts -3- and remove combination valve for secondary air injection with flange from cylinder head.
- Unbolt coolant pipe at rear of cylinder head (bolts -1- and -2-).
NOTE:
- Coolant pipe remains installed.
- Illustration is shown with engine removed.
- Remove nut -2- for right exhaust pipe/exhaust manifold which is accessible from top.
NOTE:
Illustration is shown with engine removed.
- Remove front vehicle floor crossmember -1- to -4-.
NOTE:
Flex joint in front exhaust pipe must not be bent more than 10°, otherwise it may be damaged.
- Disconnect exhaust system at right double clamp (right arrow).
- Remove nuts -1- and -3- for front exhaust pipe/right exhaust manifold which are accessible from bottom.
NOTE:
Illustration is shown with engine removed.
- Press front exhaust pipe off of exhaust manifold.
- Follow sequence -1- to -8- and loosen cylinder head bolts.
- Carefully remove cylinder head.