2008 Impala
Thread Starter
CF Beginner
Joined: Nov 2014
Posts: 1
Likes: 0
2008 Impala
When air condition and/or heat is turned off, in the upper right hand corner by the window. A knocking starts, and continues for sometimes up to a minute, any help would be well appreciated..
Thread
Thread Starter
Forum
Replies
Last Post
