Overview - Cylinder Head Cover

Fig 1: Exploded View Of Cylinder Head Cover

Courtesy of AUDI OF AMERICA, LLC

Seal
- Replace if damaged or leaking
Cylinder Head Cover
- Removing and Installing. Refer to CYLINDER HEAD COVER, REMOVING AND INSTALLING .
O-Ring
- Replace if damaged or leaking
Plugs
Bracket
- For wires
Bolt
- 8 Nm
Grommet
- In the cylinder head cover
Tensioning Claw
Bolt
- Tightening specification Item: Bolt .
O-Ring
- Not available separately.
- Replace completely if damaged or leaking hose -item : Hose
Hose
- For the crankcase ventilation
- For removal, press the release button
  Note for USA vehicles:
  - Risk of violating emissions legislation on USA vehicles.
  - Do not open the crankcase ventilation hose connection. Only the other side of the hose connection may be opened.
  - It is not possible to remove the crankcase ventilation hose from the cylinder head cover without damaging it.
Fuel Return Line
O-Ring
- Replace after removing
Fuel Injector
- Follow the guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .
- Overview. Refer to OVERVIEW - FUEL INJECTORS .
O-Ring
- Replace after removing
Heat Protection Seal
- Replace after removing
Seal
- For the fuel injector
- Replacing. Refer to FUEL INJECTOR SEALS, REMOVING AND INSTALLING .
Vacuum Hose
- The connection can break when the vacuum hoses are removed.
- To loosen the vacuum hoses tilt a screwdriver between the hose and the cover. The force of the screwdriver loosens the hose from the connection.
Cap
Seal
- For the cap
Grommet
Bolt
- Replace if the seal is damaged
- Tightening specification and sequence. Refer to Fig 2.

Cylinder Head Cover, Tightening Specification and Sequence

Fig 2: Cylinder Head Cover Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the cylinder head cover bolts to 9 Nm in sequence -1 to 7-.