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03-24-2015, 07:40 PM | #19 | |
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03-25-2015, 10:29 AM | #20 |
Drives: '08 2zr swapped Vios M/T Join Date: Oct 2012
Location: Caledonia Ont.
Posts: 2,938
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I wouldn't bother checking clearances until the 180,000km range, based on the shape mine were in at 120,000km I won't be checking htem again for a while. My engine has stayed very clean under the valve cover so there is no reason for premature wear. My finacees Echo has some sludge (bought it used at 287,000km) so I'm not too sure what type of clearance I'll end up finding.
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03-25-2015, 10:03 PM | #21 | |
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03-26-2015, 06:10 AM | #22 | |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Synthetic Oil: Its All In Your Head |
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03-26-2015, 07:20 PM | #23 |
It's funny there used to be a recommended mileage interval to check valve clearance and then Toyota did away with that recommendation all together. I have heard of people putting a ton of miles on their Yarises and never checking the valve clearances one time. I imagine there is the occational engine that will have valve issues but it appears that is rare with these motors.
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03-26-2015, 07:25 PM | #24 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,966
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After dismantling the head I'm working on, I was surprised that the valve had no visible makes from their seats. It's like they were all new still. I think the head oly had about 60k KM though so relatively low milage but still, I thought I'd see something. I think they have a coating of some kind on them.
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