K Yukon/Denali 4WD V8-5.7L VIN R (2000)
Accumulator HVAC: Service and Repair
ACCUMULATOR REPLACEMENT
REMOVAL PROCEDURE
TOOLS REQUIRED
J 38042 Dual O-Ring Tube Separator
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
3. Disconnect the electrical connectors, as necessary.
4. Remove the pressure cycling switch.
5. Disconnect the hose assembly from the accumulator using the J 38042. Refer to the appropriate procedure from the following list:
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Compressor Hose Assembly Replacement (Gasoline Engines)
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Compressor Hose Assembly Replacement (Diesel Engines)
6. Disconnect the accumulator from the evaporator using the J 38042.
IMPORTANT: Cap or plug all of the open connections.
7. Remove the O-ring seals from the accumulator.
8. Remove the accumulator bracket screw.
9. Remove the accumulator.
10. Remove the upper and the lower accumulator insulators.
INSTALLATION PROCEDURE