A blocked vent or vent hose is a common cause of leaks in which component?

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Study for the Automotive EOP Test. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

A blocked vent or vent hose is a common cause of leaks in which component?

Explanation:
A blocked vent or vent hose causes pressure to build up inside the driveline housing (such as the transmission/differential). That pressure has to escape, and the easiest path is through the seals that separate the rotating drive components from the housing. As a result, oil or gear lubricant leaks appear around the drive assembly seals, like axle or pinion seals. The other systems aren’t vented in the same way, so they don’t typically show leaks specifically caused by a blocked vent.

A blocked vent or vent hose causes pressure to build up inside the driveline housing (such as the transmission/differential). That pressure has to escape, and the easiest path is through the seals that separate the rotating drive components from the housing. As a result, oil or gear lubricant leaks appear around the drive assembly seals, like axle or pinion seals. The other systems aren’t vented in the same way, so they don’t typically show leaks specifically caused by a blocked vent.

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