Integra LS Sedan L4-1834cc 1.8L DOHC MFI (1999)
Heater Core Case: Service and Repair
Heater-Evaporator Unit Replacement
Heater Unit / Replacement
SRS components are located in this area. Review the SRS component locations, precautions, and procedures in the Supplemental Restraint System
before performing repairs or service.
1. When the engine is cool, drain the engine coolant from the radiator.
WARNING: Do not remove the radiator cap when the engine is hot; the engine coolant is under pressure and could severely scald you.
2. Open the clamp, then disconnect the heater valve cable from the heater valve arm.
3. Disconnect the heater hoses from the heater unit.
CAUTION: Engine coolant will damage paint. Quickly rinse any spilled engine coolant from painted surfaces.
NOTE: Engine coolant will run out when the hoses are disconnected, drain it into a clean drip pan.
4. Remove the mounting nut from the heater unit.