S10/T10 Blazer 4WD V6-262 4.3L (1989)
REMOVE OR DISCONNECT
1. Refrigerant from the system.
2. Negative battery cable.
3. Resistor (145) with the wire attached.
4. Blower electrical connection.
5. Inlet line (111) to the evaporator (143).
6. Blower assembly mounting screws (139) and nuts (147).
7. Blower assembly from the vehicle.
8. Accumulator inlet line (108) from the evaporator (143).
9. Accumulator bracket (150) and screw (148).
10. Accumulator (4).
11. Screws (147).
12. Case sections (146 and 140).
13. Core (143).
INSTALL OR CONNECT
1. Core (143) to case sections (146 and 140) with screws (47).
2. Accumulator bracket (150) to the accumulator (4).
3. Accumulator (4) and bracket (150) to core (143) with screw (148).
IMPORTANT: Add 0.057 kg (2 oz.) of clean refrigerant oil PLUS an amount equal to that drained.
4. Inlet line (108) to the accumulator (4).
IMPORTANT: Use clean 525 viscosity oil on the seals.
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Tighten connection to 24 Nm (18 ft. lbs.).
5. Blower assembly to the vehicle with screws (139) and nuts (147).
^
Tighten screws (139) to 3 Nm (3 in. lbs.).
^
Nuts (147) to 2 Nm (2 in. lbs.).
6. Inlet line (111) to the evaporator core (143).
IMPORTANT: Use clean 525 viscosity oil on the seals.
^
Tighten connection to 24 Nm (18 ft. lbs.).
7. Outlet line (109) to the accumulator (4).
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Tighten connection to 24 Nm (18 ft. lbs.).
8. Blower electrical connection.
9. Resistor (145) and electrical wire to the blower assembly.
