Overview - Glow Plug System

WARNING: This page is about a different car, the 2016 Audi A8 Quattro and 2015 Audi A8 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Glow Plug, Camshaft Position Sensor, Engine Speed Sensor

Courtesy of AUDI OF AMERICA, LLC

Sensor Wheel
- For Engine Speed Sensor -G28-
- Removing and installing. Refer to SENSOR WHEEL, REMOVING AND INSTALLING .
Glow Plug
- 12 Nm
  Cylinder bank 1 (right):
- Glow Plug 1 -Q10-, Glow Plug 2 -Q11-, Glow Plug 3 -Q12-
- Cylinder 2 Combustion Chamber Pressure Sensor -G678- may be installed in cylinder 2 depending on the exhaust gas standards.
  Cylinder bank 2 (left):
- Glow Plug 4 -Q13-, Glow Plug 5 -Q14-, Glow Plug 6 -Q15-
- Removing and installing. Refer to GLOW PLUG, REMOVING AND INSTALLING .
Connector
Bolt
- 9 Nm
Camshaft Position Sensor -G40-
- Removing and installing. Refer to Camshaft Position Sensor -G40-, REMOVING AND INSTALLING .
O-Ring
- Always replace
Engine Speed Sensor -G28-
- Removing and installing. Refer to Engine Speed Sensor -G28-, REMOVING AND INSTALLING .
- Checking. Refer to SENSOR WHEEL, CHECKING .
Bolt
- 9 Nm

Glow Plug Versions (Depending on the Exhaust Gas Standard)

Fig 2: Exploded View Of Glow Plug Versions

Courtesy of AUDI OF AMERICA, LLC

1 - Glow plug with combustion chamber pressure sensor (installed only in cylinder 2)

2 - Glow plug without combustion chamber pressure sensor

NOTE:

The "glow plug" for cylinder 2 may have an combustion chamber pressure sensor integrated into it depending on the emissions standard.

Component designation: Glow Plug 2 -Q11- with Cylinder 2 Combustion Chamber Pressure Sensor -G678-