Does a 96 Chevy 1500 transmission have over flow hose?
No, a 1996 Chevy 1500's transmission (whether automatic or manual) does not have an overflow hose in the same way a radiator does. Automatic transmissions have a dipstick to check fluid level and a vent. If the transmission fluid level gets too high, it will typically leak out through seals or other openings rather than through a designated overflow hose.