hi, newbie need some advice here. last 2 month i had service and change a recond aircond compressor for my svt ae101 auto due to the old one have some noice when swit on the aircond (my forman said con already). but afther service and change a recond one, the aircond compressor still have some noice (not alway) and the foreman check whith the sparepark taokei and he said this is normal and 20v compressor is behave like this. is't true? another problem is my aircond only cool during morning and nite (min will do), but in aftonoon althought it won't be hot but not cool enough (even open to max) , more over only can feel the fan but like not enough gas. so pls give some advice. thx and regard