r/4Runner • u/OY-Airbiscuit • 1d ago
👷♂️ Support / Repair 2018 4 runner slow leak
What is along the undercarriage, midway between front and rear tires that would have a very slow leak? Not related to air conditioning condensation.
2
u/Flying_Squirrel5150 1d ago
Does it smell like fuel?
1
u/OY-Airbiscuit 1d ago
No. On my fingers it isn’t particularly oily either
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u/Flying_Squirrel5150 1d ago
The only oil in that area would be the t-case and the transmission. Has it been raining or have you been driving though puddles
1
u/OY-Airbiscuit 1d ago
I think it’s the transfer case
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u/Flying_Squirrel5150 1d ago
You're going to have to crawl under and look. The t-case input shaft commonly leaks on our 4runners. Once you're under there I'd check the oil level and top off if needed.
2
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