Cylinder Head Cover Overview
Cylinder Head Cover Overview
• The illustration shows the cylinder head cover for cylinder bank 2 (left side).
1 Cylinder Head Cover Gasket
• Replace if damaged or leaking.
2 Cylinder Head Cover
• Removing and installing, refer to => [ Cylinder Head Cover ] Cylinder Head Cover.
3 Bolt
• 9 Nm
• Replace if damaged or leaking.
• Tighten diagonally, starting from the inside and working toward the outside and in steps.
4 O-ring
• Always replace.
5 Oil Filler Neck
• To remove, lift the tab, turn the oil filler neck to the left and remove it.
6 Seal
• Replace if damaged or leaking.
7 Seal
• Replace if damaged or leaking.
8 Cap
9 Nut
• 10 Nm
• For the tensioning plate.
10 High Pressure Line
• Note the rules of cleanliness. Refer to => [ Clean Working Conditions and Fuel System Work Instructions ] Clean Working Conditions and Fuel System Work Instructions.
• Mark the assignment of the high pressure lines to the injectors.
• Do not change the angles of the high pressure lines.
• Tighten the high pressure lines to the fuel rail using a 19 mm wrench. Refer to => [ Tightening the High Pressure Line to the Fuel Rail using a 19 mm Wrench ].
• Tighten the high pressure lines to the fuel rail using a 14 mm wrench. Refer to => [ Tightening the High Pressure Line to the Fuel Rail using a 14 mm Wrench ].
• Tighten the high pressure lines to the fuel injector. Refer to => [ Tightening the High Pressure Line to the Fuel Injector using a 17 mm Wrench ].
11 Fuel Return Line
• Note the rules of cleanliness. refer to => [ Clean Working Conditions and Fuel System Work Instructions ] Clean Working Conditions and Fuel System Work Instructions.
12 O-ring
• Always replace.
13 Bolt
• 5.5 Nm
• Sealing cap to cylinder head cover.
14 Tensioning Plate
• Injectors and tensioning plates that have been removed and are being reinstalled may only be installed to the same cylinder.
• If the injector is being replaced, then the tensioning plate must also be replaced.
15 Bolt
• 9 Nm
16 Bracket
• For electrical connectors.
• Different versions available, for allocation, refer to the Parts Catalog.
17 Injector
• Note the rules of cleanliness. Refer to => [ Clean Working Conditions and Fuel System Work Instructions ] Clean Working Conditions and Fuel System Work Instructions.
• Removing and installing, refer to => [ Cylinder Head Cover ] Cylinder Head Cover.
• The high pressure line and tensioning plate must be replaced when replacing the injector.
18 Bolt
• 9 Nm
19 Bracket
• For the wiring harness.
20 O-ring
• Always replace.
21 Copper Sealing Ring
• Always replace.
Tightening the High Pressure Line to the Fuel Rail using a 14 mm Wrench
- Tighten the high pressure fuel line union nuts to the fuel rail hand tight.
- Make sure the high pressure lines are seated stress free.
- Tighten the high pressure lines using the torque wrench (5-50 Nm) (V.A.G 1331) and the socket 14 mm (3150).
• Tightening specification: 28 Nm.
Tightening the High Pressure Line to the Fuel Rail using a 19 mm Wrench
- Tighten the high pressure fuel line union nuts to the fuel rail hand tight.
- Make sure the high pressure lines are seated stress free.
- Tighten the high pressure lines using the torque wrench (5-50 Nm) (V.A.G 1331) and tool insert AF 19 (V.A.G 1331/5).
• Tightening specification: 28 Nm.
Tightening the High Pressure Line to the Fuel Injector using a 17 mm Wrench
- Tighten the union nuts for the high pressure fuel lines hand tight.
- Make sure the high pressure fuel lines are seated free of stress.
- Tighten the high pressure lines to the injectors using the torque wrench (5-50 Nm) (V.A.G 1331) and the ratchet, reversible (V.A.G 1331/1) and socket (T40055).
• Tightening specification: 28 Nm.