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2012 Volkswagen Jetta Sedan Base 4dr Auto

2012 Volkswagen Jetta Sedan
Trim Info:
Front Wheel Drive, 4 Door Sedan, Compact Cars
23 (2011) mpg city / 29 (2011) mpg hwy
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August 24, 2012, 10:12 am

Jill A
 

Question: What is an oil breather hose?

My car needs a replacement what does this mean?


September 1, 2012, 10:42 am

Ron W
Expert Mechanic

It is part of the PCV (Positive crankcase ventilation) system. Basically that is the system that keeps vapors from your oiling system from venting directly to the atmosphere. If you need a new one, the old one is probably cracked or broken.


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