getting a knocking noise when go over speed bumbs slow?

when my saab is cold in the morring, and i go over a bump or speed bump. i get a loud knocking noise like metal hitting each other.. but when warm dont hear anything cud anyone help me to see what it is.?
david hume, March 2008


done
Or front engine mount!!

Abecht, November 2008
I don't know what the temperature has to do with it but it sounds like a shocker bush is worn. Remove your front wheels and check your lower ones first.

Kalon, March 2008
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