A/C will start up, slowly stops blowing. on 1997 Oldsmobile Regency

Can you tell me why this happens?

Asked by for the 1997 Oldsmobile Regency
2 answers
I have this problem . Why does the climate control fan go on and off by it self
could be a freon iossue or other related parts have it diag by a mech that is good with a/c