Hi,

I've had this truck for about a year.  I noticed lately that the ride has gotten pretty rough.  I needed tires anyway so I started there.  Didn't make any difference.  When I go over bumps the steering wheel shakes violently.  I went to a garage & they said I needed shocks.  I just picked it up after new shocks & struts (Monroe Oespectrum) & I don't notice a bit of difference.  They said they didn't notice anything else was wrong, like broken or needing replacement.  Any ideas?   

Please help.

I didn't find the right solution from the Internet.

References:
http://forums.automotive.com/70/9841661/general-auto-repair/2011-nissan-frontier-rough-ride/
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Thanks