Silverado 1500 2WD V8-4.8L VIN V (2006)
Housing Assembly HVAC: Service and Repair
HVAC Module Assembly Replacement
Tools Required
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J 43181 Quick Connect Connector Removal Tool
Removal Procedure
1. Drain the engine coolant. Refer to Draining and Filling Cooling System.
2. If equipped remove the auxiliary battery. Refer to Battery Replacement - Auxiliary.
3. Using the J 43181 disconnect the inlet heater hose from the heater core.
1. Install the J 43181 to the heater core pipe.
2. Close the tool around the heater core pipe.
3. Firmly pull the tool into the quick connect end of the heater hose.
4. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the inlet hose from the heater core.
4. Using the J 43181 disconnect the surge tank outlet hose from the heater core.
1. Install the J 43181 to the heater core pipe.
2. Close the tool around the heater core pipe.
3. Firmly pull the tool into the quick connect end of the heater hose.
4. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the surge tank outlet hose from the heater core.
5. Remove the accumulator. Refer to Accumulator Replacement .
6. Remove the instrument panel carrier. Refer to Instrument Panel (I/P) Carrier Replacement.
7. Remove the HVAC module drain hose.
8. Disconnect the electrical harnesses and the ground connections from the HVAC module.