Originally Posted By: Hokiefyd
Originally Posted By: hypervish
Originally Posted By: FL-400S
Did the 2003 3.0L Sienna suffer from sludge? or was that only the earlier non-vvti version?
Nope, the so called "problem" was fixed in 01/02 (mid-year). They made the oil passages bigger. The earlier years were also vvti.
I don't think the 1MZ-FE engine had VVT-i before 2001. This Wikipedia article may be wrong though:
http://en.wikipedia.org/wiki/Toyota_MZ_engine#1MZ-FE
They do, my 2000 RX300 has VVT-I and it's got the 1MZ-FE motor.
Originally Posted By: hypervish
Originally Posted By: FL-400S
Did the 2003 3.0L Sienna suffer from sludge? or was that only the earlier non-vvti version?
Nope, the so called "problem" was fixed in 01/02 (mid-year). They made the oil passages bigger. The earlier years were also vvti.
I don't think the 1MZ-FE engine had VVT-i before 2001. This Wikipedia article may be wrong though:
http://en.wikipedia.org/wiki/Toyota_MZ_engine#1MZ-FE
They do, my 2000 RX300 has VVT-I and it's got the 1MZ-FE motor.
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