you don't need to pull the lower radiator hose.

- remove thermostat
- disconnect top hose from radiator
- put your garden hose with clean water in the top radiator neck where you just took the hose off (not the capped neck)
- point the top hose somewhere safe (into a bucket). turn heater controls on high.
- turn the garden hose on and start car. flush that **** out until it runs clear
- turn off the hose and run the car until the radiator is empty then shut off the car (don't overheat it)
- connect top radiator hose
- replace thermostat and open the bleeder on the t-stat housing
- put a couple gallons of green in the radiator through the neck.
- fill the radiator with clean water and start the car again (heater on high)
- keep filling the radiator and watch for water to come out of the bleeder screw.
- shut off the car. top off the radiator and put on the cap. Fill the reservoir halfway with clean water.