Unscrew or pop off the factory breather It only breaths out when it gets hot (air/fluid expansion) in order to vent the pressure buildup. In many 4wd models (toyota, nissan, etc.), the breather is a threaded piece.
LANDCRUISER PRADO DIFF BREATHER INSTALLATION - YouTube
When the differential heats up and then cools down, the differential goes into a slight vacuum.
This vacuum helps prevent seepage/leakage when.
Before completely removing the old breather, clean the area around it to prevent debris from falling into the differential Then insert the new union in. For the front diff and the transfer case this kit extends from the factory breather line Just make sure your line doesn’t sag to trap oil draining back or it can plug off the.
The differential breather system consists of various components, including breather tubes, valves, and filters Its primary function is to equalize pressure inside the differential housing, allowing. A differential breather venting oil is most often caused by an overfilled differential, a clogged or failed breather valve, or contamination from water These issues create excess pressure.
Diff breather installation guide step 1
Removing and replacing the factory breathers start by locating the existing breather vents on your axles (and other driveline components if applicable). The fact that we have to do this mod at all is a bit unfortunate Designers at toyota placed a breather for the rear differential right on the diff housing, which means.