NSX V6-3.0L DOHC (1991)
Evaporator Case: Service and Repair
Heater-Evaporator Unit Replacement
Replacement
SRS wire harness is routed near the heater.
CAUTION:
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All SRS electrical wiring harnesses are covered with yellow outer insulation.
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Before disconnecting the SRS wire harness, install the short connector on the airbag.
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Replace the entire affected SRS harness assembly if it has an open circuit or damaged wiring.
1. Remove the blower.
2. When the engine is cool, drain the coolant from the radiator.
WARNING:
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Do not remove the radiator cap when the engine is hot; the coolant is under pressure and could severely scald you.
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Keep hands away from the radiator fan. The fan may start automatically without warning and run for up to 30 minutes, even after
the engine is turned off.
CAUTION: Radiator coolant will damage paint. Quickly rinse any spilled coolant off painted surfaces.
3. Disconnect the heater hoses at the heater. Coolant will run out when the hoses are disconnected, drain it into a clean drip pan.
4. Disconnect the heater valve cable from the heater valve.
5. Remove all refrigerant from the A/C system with a 10 refrigerant recovery system.
