Quote:
Originally Posted by BobsTrail
I bought the parts and some hose a few months ago but was not sure I really needed it. Maybe I just got lazy. Guess what's going in the next few days?
I have been through a few water crossings, so I better change the diff fluid while I'm under there getting dirty and crawling around on the garage floor.
--- Glad this old post popped up.
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It is an insurance policy - you may not ever need it. Just because you dunk your diff doesn't mean you'll get water in there. In a bad flood in Houston I had to drive my '07 Tacoma through about a mile of water 8-15" deep. I did not have the breather mod at that time and I was certain I got water in there. Brought it to have it serviced and they said the diff fluid looked brand new.
Conversely, one of the guys I wheel with dunked his rear diff in a creek crossing w/o the breather (about 15") and his diff fluid was milk! You just never know for sure what factors are going to combine to make it suck some water. The breather mod buys you a little more piece of mind.
David
