Interference or Non Interference
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10th Gear
Joined: Dec 2020
Posts: 13
Likes: 0
From: KS
Interference or Non Interference
I keep getting mixed information on the 2005 ES330 VVT-I motor regarding clearance. I am half way into replacing a broken timing belt, and when I started this project i was under the impression that this engine was NON-interference. Now I am finding data that says it is actually an interference engine .... Can anyone clarify this?
Lexus Fanatic
Joined: Sep 2010
Posts: 25,917
Likes: 4,274
From: Alberta
You can easily find out yourself. Put the crank at zero (marks on cam gear/oil pump) and gently turn the cams to see if the valves hit anything, you'll know right away the cam will become impossible to rotate.
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