換engine oil後 - 噪音問題

換engine oil後，車engine蓋子下右邊發出有節奏的彭彭聲，聽起來象motorcycle的聲
音，但音量小些。有懂行的知道會是what problem嗎？

The car didn't have this kind of noise before oil change, is it pos*****ile
that some damage was done during the oil change?

Thanks for your advice!

所有跟帖： 

• 聲音這個事兒比較難形容 -biglow- ♂ (70 bytes) () 04/29/2013 postreply 10:48:05

• check if engine oil cap is on and tight -giddyup- ♂ (0 bytes) () 04/29/2013 postreply 12:02:18

• 回複：換engine oil後 - 噪音問題 -tyrbl2000- ♀ (202 bytes) () 05/04/2013 postreply 11:51:41