B Series Truck 2WD L4-2184cc 2.2L 2200 2-bbl (1990)
Evaporator Core: Service and Repair
Cooling Unit Removal
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the refrigerant system.
3. Disconnect the low-pressure pipe from the cooling unit outlet fitting.
4. Disconnect the high-pressure pipe from the cooling unit inlet fitting.
5. Remove the grommet.
6. Remove the glove compartment.
7. Disconnect the A/C wire harness.
8. Remove the seal plates.
9. Remove the nuts and disconnect the drain hose; then remove the cooling unit.
Disassembly and Assembly
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Disassemble and assemble as shown.