If you get cold air it s the actuator you removed.
1998 buick regal blend door actuator.
Have done some research and almost everything leads to the blend door actuator.
Buick 1998 regal 3 8l v6 supercharged heat air conditioning heater blend door actuator.
No parts for vehicles in selected markets.
An actuator can go bad in of two ways.
Heater blend door actuator connector.
Same problem on my 98 regal gs.
The blend door actuators in a buick are electrically operated by blend door motors.
Heater blend door actuator connector.
No parts for vehicles in selected markets.
Remove glove box locate the blend door actuator black odd shaped box with metal ring.
A computer assigned to this duty controls the blend door actuators.
Buick 1998 regal 3 8l v6 heat air conditioning heater blend door actuator.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.
1998 black silver regal gs 140 000 mi credit goes to where i originally found the solution cannot remember where on the web read practically every post on this board concerning the blend door actuator but it worked like a charm for me so if it helps someone get the ac back with summer upon us then it may help.
A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit.
Remove the box and manually turn the blend door shaft it was attached to.