Bravada V6-262 4.3L VIN Z (1991)
Accumulator HVAC: Service and Repair
Evaporator and Blower Assembly Component View
The accumulator assembly has a service replacement kit which includes two seals (O-rings) for the inlet and outlet connections. The desiccant is NOT
serviced separately- it is pant of the sealed accumulator assembly. Refer to Refrigerant Oil Distribution" for presence of refrigerant oil and service
conditions when removing the accumulator from the vehicle to measure the oil.
Replace the accumulator when:
1. A physical perforation produces a leak.
2. The (orifice) screen experiences continued or repeated plugging.
3. An evaporator fails because of internal and external corrosion.
REMOVE OR DISCONNECT
1. Negative battery cable.
2. Refrigerant from the system.
3. Electrical connection (154).
4. Inlet line (108) at the accumulator (4).
5. Evaporator outlet line (158) at the accumulator (4).
^
Cap or plug the open lines.
