Overview - Glow Plug System

Fig 1: Exploded View Of Glow Plug System

Courtesy of AUDI OF AMERICA, LLC

1. Camshaft Position Sensor -G40-
   • Removing and Installing. Refer to Camshaft Position Sensor -G40-, REMOVING AND INSTALLING .
2. Bolt
   • 9 Nm
3. O-Ring
   • If damaged, replace the Camshaft Position Sensor -G40-
4. Glow Plug
   • Glow Plug 1 -Q10-
   • Glow Plug 2 -Q11-
   • Glow Plug 3 -Q12-
   • Glow Plug 4 -Q13-
   • Depending on the emissions standard, a cylinder internal pressure sensor is also integrated in the glow plug:
     • Cylinder 1 Combustion Chamber Pressure Sensor -G677-
     • Cylinder 2 Combustion Chamber Pressure Sensor -G678-
     • Cylinder 3 Combustion Chamber Pressure Sensor -G679-
     • Cylinder 4 Combustion Chamber Pressure Sensor -G680-
   • Glow Plug Versions and Tightening Specifications. Refer to Fig 2.
   • No interchanging of components of various manufacturers.
   • Removing and Installing. Refer to GLOW PLUG, REMOVING AND INSTALLING .
5. Connector
6. Transmission Side Sealing Flange
   • Removing and Installing. Refer to SEALING FLANGE, REMOVING AND INSTALLING, TRANSMISSION SIDE .
7. Sensor Wheel
   • For the Engine Speed Sensor -G28-
   • Removing and Installing. Refer to SEALING FLANGE, REMOVING AND INSTALLING, TRANSMISSION SIDE .
8. Engine Speed Sensor -G28-
   • Removing and Installing. Refer to Engine Speed Sensor -G28-, REMOVING AND INSTALLING .
9. Bolt
   • 5 Nm

Glow Plug Versions and Tightening Specifications

Fig 2: Exploded View Of Glow Plug Versions

Courtesy of AUDI OF AMERICA, LLC

1 -  Glow Plug with Combustion Chamber Pressure Sensor

• 12 Nm

2 -  Glow Plug without Combustion Chamber Pressure Sensor

• 17 Nm