Del Sol Si VTEC L4-1590cc 1.6L DOHC (VTEC) MFI (1997)
Heater Unit Replacement
7. Remove the steering column bracket.
Heater Unit Replacement
8. Remove the wire harness clip, two heater mounting nuts and heater unit.
9. Install the removed parts in the reverse order of removal, and:
^ Do not interchange the inlet and outlet hoses.
^ Loosen the bleed bolt on the engine and refill the radiator and reservoir tank with the proper engine coolant mixture.
Tighten the bleed bolt when all the trapped air has escaped and engine coolant begins to flow steadily from it.
^ Connect all cables and make sure they are properly adjusted.