How to bleed the coolant in an Audi A6?

[StHolden]

Audi A6 coolant bleeding method is: 1. There is an iron water pipe on the engine with a bleed screw. Unscrew it when adding coolant until water comes out; 2. Bleed at the heater upper hose in the drainage channel. There is a bleed port on the hose. When bleeding, the coolant reservoir must be removed from its mounting bracket, and the coolant level in the reservoir must be higher than the heater upper hose. The Audi A6 is a luxury car produced by Audi, with body dimensions of 4886mm in length, 1810mm in width, and 1475mm in height. In terms of appearance, the radiator and intake grille on the front of the Audi A6, which were originally separated by the front bumper, have been integrated into a complete trapezoidal grille.