Jetta Heat And AC Fix | Blend Doors | Foam In Vents

In today's video on Colton's Garage we will be fixing the heat and the A/C in the MK4 Jetta. Volkswagen designed the heating/cooling system in many different of their vehicles including Audi's, using a foam to cover the blend doors that ultimately fails over time. This leads to the vehicle not producing any warm, hot, cool, or cold air from any of the vents. One of the tell tale signs that the foam has failed on the blend doors is that you have foam coming out of the vents when turning the heat or the A/C blower on.

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