Car is overheating after replacing the radiator, radiator fans, water pump and thermostat. The is fan not working on the passenger side and ac blows hot on one side and cool on the other side.
It sounds like you have more than one problem going on. Neither problem is related to the other. One problem ids the engine overheating. The other problem is the AC blows hot in one side.
Overheating after replacing the radiator
This is pretty common after the cooling system has been worked on. Air is often trapped inside the system and needs to be bled out.
2001 Chevy Impala coolant system bleeding
(best viewed with Google Chrome)
2001-chevy-impala-draining-and-filling-cooling-system
AC blows hot on one side
This is very common of a failed blend door actuator. Replacing the failed actuator will take core of the air conditioning problem. The AC will blow cold out both sides once again.
Air Temperature Actuator Replacement – Left Side
Removal Procedure
- Remove the left instrument panel insulator.
- Remove the knee bolster bracket bracket.
- Disconnect the electrical connector from the left air temperature actuator.
- Remove the mounting screws from the left air temperature actuator.
- Remove the left air temperature actuator.
Installation Procedure
- Position the left air temperature actuator, then align the slots in the electric actuator driver to the flats on the shaft.
- Align the locating hole to the alignment pin on the HVAC module case.
- Slide the actuator on the shaft. The actuator driver should seat completely on to the shaft and the mounting holes should be flush with the mounting screws on the HVAC module case.
- Install the mounting screws to the left air temperature actuator.
Tighten
Tighten the left air temperature actuator screw to 1.5 N·m (13 lb in).
- Connect the electrical connector to the left air temperature actuator.
- Install the knee bolster bracket bracket.
- Install the left instrument panel insulator.