Q7 Quattro V6-3.6L (BHK) (2007)
‹› 22 Nm
20
Fuel pressure sensor (G247)
CAUTION!
Burn risk due to escaping fuel.
‹› Because the transfer Fuel Pump (FP) (G6) runs briefly when the battery is connected and the driver's door is opened, the voltage
supply to the (G6) must be disconnected when the fuel system is open.
‹› Reduce fuel pressure in high pressure area => [ Releasing Fuel Pressure on High Pressure Side ] See: Fuel Filter/Fuel Pressure Release/Service
Precautions.
‹› Before assembly, coat front sealing point and threads with clean engine oil
‹› 22 Nm
21
Fuel rail
‹› For cylinders 2, 4 and 6
‹› Replace before installing fuel injector spring elements - 3 -
‹› Tighten uniformly, starting from inside and working toward outside
‹› Removing and installing => [ Fuel Rail and Injectors, for Cylinders 2, 4 and 6 ] See: Fuel Rail and Injectors, for Cylinders 2, 4 and 6.
22
Bolt
‹› Replace
‹› Tighten fuel rail uniformly, starting from inside and working toward outside
‹› 30 Nm + (1/4 additional turn) (90°)
23
O-ring
‹› Replace
‹› Lubricate O-rings with clean engine oil before installing
24
Support ring
‹› Replace if damaged => [ Combustion Chamber Seal and Fuel Injector Support Ring ] See: Combustion Chamber Seal and Fuel Injector
Support Ring.
Loosening and Tightening Fuel Supply Line Union Nut