heater core

[jpope]

how do you remove modular duct to get to heater core on 89 S-10 pickup 2.5l no a/c

[joblo33]

Removal & Installation (Blazer/Jimmy & Pickup)
1)Disconnect battery ground cable. Drain cooling system. Diconnect heater hoses at heater core, drain core into pand and plug openings. Remove nuts from heater distributor duct studs. Remove glove box and glove box door assembly. Disconnect control cables.
2)Remove floor outlet. Remove defroster duct-to-heater distributor duct screw. Remove heater distributor-to-dash panel screws. Pull assembly rearward to gain access to wiring harness. Disconnect all harness connectors attatched to assembly.
3)Remove assembly from vehicle. Remove heater core retaining straps and remove cores. To install, reverse removal procedures. Ensure seals are intact before installing.
That's what it says in Mitchell On-Demand 4. It's a good program for info like this.
Eric