My Altima SE-R is making a rattling sound when the A/C is on?

It is a significant problem, see if you can see the compressor operating properly without obstruction or excessive vibration when the engine is running, and also, check to see if you can turn the compressor by hand with the engine off, if there is any king of grinding,chattering or scraping noise when you do this, the compressor should be changed, and the clutch must definitely be changed. Also check the belt, and make sure it is in good order, and does not have any glazing or cracks on it.

i could get rid of the rear mufflers. Or pass on line Borla Exhaust grasping exhaust. Or try a community muffler save. Your exhaust would be close even however G-35 has 2 exhausts and one massive muffler and yours has one exhaust and a pair of massive mufflers. the only element diverse between the 2005 SER and Your vehicle is the cat back equipment. I guess in case you form Nissan Altima SER exhaust into E-bay vehicles some one obtainable has got rid of theres for extra potential., additionally try Nissan overall performance dot com.