These issues create excess pressure. Removing and replacing the factory breathers start by locating the existing breather vents on your axles (and other driveline components if applicable). Clean out the breather thoroughly using compressed air and/or a soft brush to dislodge particles and debris that may be stuck in it
How to fit extended diff breathers to a 4WD
You might tighten the fitting into the diff, or remove it and apply sealant and reinstall
To replace the hose itself, you might get a long piece of fuel line and run a new vent hose way up high.
Here are the products used to check and clean out the differential breather. Quick differential vent vacuum clean trick This is a quick way to keep your diff vent clean Keeping the vent clean means your diff can breath properly and expel any air pressure that builds.
Tinkering on the truck this morning and found possibly rear diff breather clogged as there is grease and grime around the fitting for the vent hose I will try and clean or replace breather hose. This part 1 of 2 diy video shows how to overcome a clogged vent tube on your differential In my case, repair of the original vent tube was too risk and of.
What do diff breathers do
From factory, your differentials are fitted with breather valves They vent the pressure build up from inside the diff when they get hot Keeping the vent clean means your diff can breath properly and expel any air pressure that builds up when it is spinning inside. Removing and replacing the factory breathers start by locating the existing breather vents on your axles (and other driveline components if applicable)
Differential breather valves are typically. 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. It only breaths out when it gets hot (air/fluid expansion) in order to vent the pressure buildup.
Diff breather installation guide step 1
