REPLACE CARRIER 38CKC CONDENSOR BEARING - Carrier 38CKC036 Air Conditioner

when the unit runs on a hot day 85 degrees it makes a rattle noise like something is loose a tech says its a bad bearing and not a valve and the whole unit has to be replaced when it runs it will do it for 3 or 4 seconds and not make it again for 3 or 4 min when the unit runs on a hot day 85 degrees it makes a rattle noise like something is loose a tech says its a bad bearing and not a valve and the whole unit has to be replaced when it runs it will do it for 3 or 4 seconds and not make it again for 3 or 4 min

yesterday a tech came out to our house to look at our unit he ran it for 45 minutes, and i could not here any noise that i herd when it was 90 degrees, it was only 70 degrees and he said only a trained tech could hear a bad bearing and it would last maybe a day or all summer and i will see you shortly then he went downstairs to our basement looked at our furnace and said we have a bad heat exchanger that carrier furnace has a history of rusting out and letting out carbon monoxide, and the furnace was under warranty a 1999 model and he would order replacement parts and i would only have to pay for labor what do you guys think i looked them up on the internet they are not approved by the bbb yesterday a tech came out to our house to look at our unit he ran it for 45 minutes, and i could not here any noise that i herd when it was 90 degrees, it was only 70 degrees and he said only a trained tech could hear a bad bearing and it would last maybe a day or all summer and i will see you shortly then he went downstairs to our basement looked at our furnace and said we have a bad heat exchanger that carrier furnace has a history of rusting out and letting out carbon monoxide, and the furnace was under warranty a 1999 model and he would order replacement parts and i would only have to pay for labor what do you guys think i looked them up on the internet they are not approved by the bbb