OEM 2000 Chevrolet Tahoe Evaporator

2000 Chevrolet Tahoe Evaporator Parts and Q&A

• Q: How to replace the evaporator core in the auxiliary HVAC module on 2000 Chevrolet Tahoe?

  A: The initial step for Evaporator core replacement of the auxiliary hvac module requires refrigerant removal from the a/c system and subsequent drainage of engine coolant. The auxiliary hvac module under the vehicle requires disconnecting of heater lines (2,3) and air conditioning lines (2,3). The auxiliary hvac module needs its vehicle securing nuts removed before safety stands can be taken off the vehicle and the platform should be lowered. Afterwards start by removing both the real time damping (RTD) module with its electrical connectors and the right rear quarter trim panel. Then remove the fastener that attaches the upper auxiliary air duct while sliding the duct into place near the headliner. Take out the rear auxiliary hvac module by removing its fasteners and position it on a work surface. Start by removing the air temperature actuator and Heater Core cover as well as Heater Core and lower module cover from the module before removing the Evaporator core from the lower module cover. Put the Evaporator core inside the lower module cover and reassemble everything by inserting the lower module cover, Heater Core, Heater Core cover and air temperature actuator onto the module. Install the auxiliary hvac module assembly back into the vehicle while fastening it using two bolts which should be inside the vehicle body. To finish the installation process, connect the upper auxiliary air duct to the air distributor duct through fastener attachment. After that, reinstall the rtd module and right rear quarter trim panel together with electrical connector reattachment. Reposition the vehicle at its height before installing auxiliary hvac module nuts while twisting them to achieve 9 n.m (80 lb in). Broaden and join (2,3) air conditioning lines with nut to the auxiliary hvac module while using a torque of 16 n.m before linking heater lines to the module. Lower the vehicle and follow the system with correct fluid and then complete a refrigerant recharging process.