4Runner
Differential vent extention mod:
As far as I know the front differential, tranny, and transaxle have vents high enough to not
have to worry about water intrusion, but for some reason the rear differential does not. Thus,
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As you can see in the above photo, I left a coil of hose to allow for suspension travel. At the top right
of the above photo you can just make out a zip tie. I zip tied the hose to the rigid fuel filler line.
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I then ran the hose along the fuel lines over, and then up to the back of the fuel filler.What you need:
(1). 6' 5/16" fuel line.
(2). Barb fitting. Toyota Part #90404-51319. This replaces the vent on the differential and allows you to attach a hose. I couldn't find a similar metric fitting anywhere else. Be prepared to pay ~$12 at the dealer for this little thing.
(3). Zip ties.
(4). Small hose clamps.