annoying car problem

my car has an annoying noise recently. it hear like some kind of whistling. it happens when you drive it for a while, like more than an hour. and it never happens on the high speed. it seems the hot temperature makes it worse.
btw, it's a 1998 ford, 14k.

所有跟帖： 

• 什么位置?前后左右? 多少速度时有? 停车后踩油门 -stp- ♂ (15 bytes) () 08/31/2004 postreply 10:14:01

• 回复：annoying car problem -JunkYardDo- ♀ (513 bytes) () 08/31/2004 postreply 11:39:12

• 回复：annoying car problem -helpcarnoi- ♀ (253 bytes) () 09/01/2004 postreply 10:20:30