Technical characteristics of the pre-heating system (Audi A6 C4)

To facilitate cold engine starting, diesel models are equipped with a pre-heating system consisting of glow plugs, a warning light and connecting wires. The system is controlled by the electronic engine control unit.

Pre-heating plugs

Current consumption

8 Amps per spark plug

Tightening torques, Nm

Tightening the spark plugs (aAS engine)	30
Tightening the spark plugs (1Z and AHU engines)	15
Tightening the spark plugs (aVR, AAT and AEL engines)	15

This article was copied from an online resource audimanual