I'm not aware of a third bleeder.

At any time have you flushed the coolong system? Have you checked for leaves or foreign matter blocking the front of the radiator? Have you checked the seals surrounding the radiator to insure air is not sneaking around the sides? Have you cheched for a soft or collapsing hose on the suction side of the pump?

 

Heater core "T" thermostat housing and throttle body

I did coolant mod so I don't use that anymore

 

Lol well this 93 does or did have

 

the dealer flushed/filled the cooling system about 4weeks ago, i do see a couples leaves and a couple pine leafs on the radiator. all the sealers are air tight testing the radiator for pressure; the only soft hose that i can pull around is the hose coming from the radiator to the reservoir?

 

turned out to be a bad radiator.