Audi Q7 2007 Workshop Manual page 168

Audi Q7 2007 !
6
6-cylinder TDI engine (3.0 ltr. 4-valve common rail), mechanics 01.2006
–
Place drip tray for workshop hoist -VAS 6208- under en-
gine.
–
Disconnect coolant hose -arrow- from coolant pipe (left-
side) and drain off coolant.
–
Disconnect coolant hose (bottom right) -1- at radiator and
drain off coolant.
Note
Disregard -item 2-.
–
Disconnect coolant hoses from coolant pipes -arrows- and
drain off coolant.
–
Disconnect coolant hose from coolant pipe (right-side) -ar-
row- and drain off remaining coolant.
Filling
Note
The cooling system is filled all year round with a mixture
♦
of water and radiator antifreeze/anti-corrosion agent.
It is important to use only coolant additive Plus
♦
-G 012 A8F A1- (also designated as "G12+") "meeting
specification TL VW 774 F". Other coolant additives could
seriously impair in particular the anticorrosion properties.
The resulting damage could lead to loss of coolant and con-
sequently to serious engine damage.
Coolant additive "G12+" may be mixed with additives
♦
"G11" and "G12".
"G12+" and coolant additives marked "Meets specifica-
♦
tion TL VW 774 F" prevent frost and corrosion damage
and stop scale from forming. Such additives also raise the
162
Repair Group 19 – Cooling
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