carrier x-series angle drive (gear box)

[@sk3645]

Thanks

[@jaizchauhaan]

I’m hearing loud growling inside the trailer barely anything outside I think it’s this gear box /

[@gregguthrie6359]

unhook your fan belt and see if the noise goes away, could be your fanshaft or clutch bearing depending on the unit. If the noise is still there, it probably the gear box.