What is a rear axle vent?

What is a rear axle vent?

Axle Vents allow pressure inside the differential to equalize with the atmospheric pressure. All our Axle Vents are constructed of high quality materials for durability. Replacement required when tubes get clogged or deteriorate.

Are diff breathers one way?

It’s always been a 2 way- that’s the function of breathers- let hot air vent when the diff heats up, allow air to flow back in when things cool down.

Do I need a differential breather?

Why are Diff Breathers important? Extended diff breathers are extremely important insurance for your 4WD if you drive through water. In essence, when you go through a puddle that is near or above diff height, you are dunking a hot differential into cold water.

What is the general procedure for draining and filling the differential lubricant?

1. Step 1: Secure the vehicle on jack stands or ramps.
2. Step 2: Allow time for the gear oil to completely drain.
3. Step 3: Locate and remove the gear oil fill bolt.
4. Step 4: Use a pump to slowly add the recommended type of gear oil to the differential.

Are diff breathers worth it?

How do you drain differential fluid?