原廠發過技術文件, amsoil也根據文件做了一些建議
文件如下pdf連結:
Service intervals for Subaru vehicles equipped with turbochargers
Amsoil的建議如下:
Due to the issues outlined in this document, AMSOIL recommends following Subaru drain interval recommendations.
For 2010 MY and prior turbocharged Subaru vehicles, change the oil and filter very 3,750 miles (6,000 km) or 3 3/4 months.
(出乎意料的是里程未到的話是3 3/4個月就要換油!!!)
For 2011 MY and newer turbocharged Subaru vehicles, change the oil and filter every 7,500 miles (12,000 km) or 7 1/2 months.
The screen and oil supply pipe for the turbocharger must also be inspected at every oil change.
所以2010年份前有turbo的subaru的確是需要提早換油的
之後年份的車型也建議1200km就換油, 比一般建議的換油里程1500km都早了一點點
且Amsoil的機油都是號稱長效型機油, 建議提早更換的確是需要注意。
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