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2004 highlander v6 and 2019 Hybrid Rav 4 xle
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Discussion Starter · #1 · (Edited)
some of the later model Toyota forums talk about oil cooler hose problems (rubber hoses to oil cooler that fail and spew out oil --replacement hoses are metal pipes,) and also mention another problem they call a VVT-i oil line problem.
In siennas and other models.

Are any of the 1st gen v6 3mzfe v6 engines afflicted with these issues?
 

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I'll go out on a limb and state it's 2GR-FE V6 related issues. Those are different engine designs and had their issues. Including the start-up rattle when the cam phasers start to fail.
The 1MZ/3MZ-FE don't seem to have these...that I've yet to come across.
GL,
T
 
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