How to Change A Heater Core on a 1994 GMC Jimmy, (Chevy S-10, Blazer, Oldsmobile Bravada)

1. remove shroud and kick panel 2. loosen dash •two bottom screws and 4 top screws •use a wedge to move dash away from firewall and up 3. to remove baffle •remove cover inside glove compartment •remove 2 upper hoses from diverter •remove 6 screws •remove baffle 4. to remove core •drain rad •remove hoses •remove core screws and brackets •remove hose bracket (in engine bay) •remove core 5. install core •the core is just copper and solder. Even slight bending will crack the solder and cause future leaks •replace bracket and screws •replace hoses •replace hose bracket (in engine bay) 6. install baffle •connect tubes on deflector 7. replace dash screws •replace two screws on glove box cover 8 install shroud and kick panel