I have a 05 Mariner, that has a front end rattle when you go over small bumps, not as loud over large bumps (lower speeds). Noise also is louder after car has sat a long time(2hrs or over night). After driving about 4-5 miles noise is all but gone even at lower speeds.
I fought with the same issue for almost a year. Never could find source. I followed ZeeVert's advice and replaced the stabilizer links. Problem solved. He is correct about them being tough to get off. It took me 3 hours to get them off, about 10 minutes to put the new ones back on. I finaly used my recipocating saw and cut off the bolts. If I had done that first, I could have completed the entire job in about an hour. If you remove the front wheel they are very easy to access. Only about $14 each for Moog at Auto Zone. Other parts stores wanted about $20 each.
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