Well, it depends if your car still has manufacturer's warranty.

来源: jassco 于 2014-11-20 08:28:38 [档案] [旧帖] [给我悄悄话] 阅读数 : (742 bytes)

回答: 换机油问题求教由 ttsu 于 2014-11-20 07:30:37

You do not want to use mixed oils if it is still under warranty.

If you don't use your car very often, determining old change schedule solely based on miles is probably not a good idea. I would recommend that you change oil twice a year.

My car also takes 6QT synthetic oil. So, I bought two bottle of 5QT synthetic oil. I use one bottle plus 1/5th of the 2nd one.

Engine oils degenerates gradually. So, there is no apparent cut-off point. Changing oils after an engine run for 100 to 150 hours is a very good rule of thumb. If your engine runs for 150 hours, and suppose your car runs a zero mile, you still need to change oil.

Good luck!

Alex

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所有跟帖：

• 谢谢这个150小时的提醒，这个车怠速运行比较多，看样子我要换得勤一点 -ttsu- ♂ (96 bytes) () 11/20/2014 postreply 08:44:07

• "Changing oils after an engine run for 100 to 150 hours", hack, -老生长谈- ♂ (120 bytes) () 11/20/2014 postreply 10:17:12

• 自己用脑子算一下呗，相当make sense . -coorslight969- ♂ (0 bytes) () 11/20/2014 postreply 10:46:47

• 很多车是15000迈换油（不信？），你平均100mph？ -老生长谈- ♂ (185 bytes) () 11/20/2014 postreply 11:45:11

• No, Sir. It is not a hack but rather an engineering. -jassco- ♂ (683 bytes) () 11/20/2014 postreply 16:56:21

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