car makes clonking sound when going over bumps or dips.

[mercuryman97]

i have a 1997 mercury mountaineer awd v8...and when i go over any bumps or dips in the road the suspension makes a clonking or kinda bumping and knocking sound...also the suspension sounds like it is cracking...if any ideas on why it is doing this please respond...also i have one more question...when i am stop at a red light or a stop sign my car idles really really low and the whole car shakes and acts like it is going to bog out...if any info. please respond....thanks

 

[Garth]

Check your balljoints for the clanking and look at the filter(air) and the throttle body for the low idle(it may need a clean job).