Sentra L4-1597cc 1.6L DOHC MFI (GA16DE) (1991)
Expansion Valve: Service and Repair
Fig. 9 Exploded View Of HVAC System
The expansion valve is located in the cooling unit, attached to the evaporator core.
1. Disconnect battery ground cable and discharge A/C system into an approved recovery/recycling container.
2. Remove passenger side instrument lower cover and glove compartment.
3. Disconnect wiring harness connectors to evaporator.
4. Separate cooling unit case halves and remove evaporator, Fig. 9.
5. Reverse procedure to install.