What hose is connected to top of coolant reservoir ?
5

Asked by Margie Aug 13, 2023 at 11:08 AM about the 2011 Volkswagen Tiguan S

Question type: Maintenance & Repair

Hello I am looking for the name of the 2 hoses in
picture. One connects to top of coolant reservoir
and runs toward front of engine and the other hose
is directly underneath both running to front of
engine/ radiator area on 2011 vw tiguan. Any help is
appreciated. Thanks

2 Answers
2,315

Jeff answered about a year ago

Those are air bleed hoses. They allow the air in the engine to go back to the surge tank instead of getting trapped behind the thermostat.

Mark helpful
26,835

taver91 answered about a year ago

Remember to only fill the reservoir tank to the "fill" line you and will be fine. Overfilling will cause the trapped air to block the intended circulation of the coolant,

Mark helpful

Your Answer:

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