Skip to main content
Message Font: Serif | Sans-Serif
No. of Recommendations: 0
Challenge Accepted, lol...

So I'm assuming you've verified that this Sienna has a 3.0L engine?

Based on the data you found, inline and V6 can both be non-interference. Looks to me like all 3.0L Toyotas are non-interference, except for the 1998 2JZ-GE. And you're not going to find that one in the Sienna.

Here's info on the engine in the Sienna

The 1MZ-FE covered Siennas through 2003. 2004 switched to the 3MZ-FE. Based on this forum post:
it sounds like the 2004 "2nd gen" definitely has an interference engine with the 3MZ-FE.

The 1MZ-FE seems interesting, lots of discussion and maybe even misinformation. Someone is quoted as saying that VVT-i versions of the 1MZ-FE are interference, and non VVT-i versions have valve depressions to reduce the chance of contact.

Note that a 2002 Sienna could apparently have either type of engine, according to the list of models/engines given. So pop the hood and look for VVT-i logos.
Print the post  


Disclaimer - Please Read
A message about professional advice.
What was Your Dumbest Investment?
Share it with us -- and learn from others' stories of flubs.
When Life Gives You Lemons
We all have had hardships and made poor decisions. The important thing is how we respond and grow. Read the story of a Fool who started from nothing, and looks to gain everything.
Contact Us
Contact Customer Service and other Fool departments here.
Work for Fools?
Winner of the Washingtonian great places to work, and Glassdoor #1 Company to Work For 2015! Have access to all of TMF's online and email products for FREE, and be paid for your contributions to TMF! Click the link and start your Fool career.