so my ac keeps getting cold then hot..i thought it was time for a service so i got the system cleaned out ,checked for leaks and then filled up...hot cold hot cold is what it blows....so i took a air gap measurment ..it was .036 above the limit of .020 so i took the shim out completly and the gap sit at the min .012...still same issue ..i am stummped..do i replace the coil or just replace the whole compressor itself...its hot out