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7A-150 Heating, Ventilation and Air Conditioning:
Auxiliary Heater Core Replacement
Callout
Preliminary Procedure
1. Remove the thermal expansion valve. Refer to "Auxiliary Air Conditioning Evaporator Thermal Expansion Valve
Replacement".
2. Remove the auxiliary HVAC module. Refer to "Auxiliary HVAC Module Replacement"
Tip: Ensure the lower case gasket is in good condition upon installation.
3. Disconnect the electrical connectors.
Auxiliary Heater Core Cover Screws (Qty: 6).
CAUTION
!
1
Refer to "Fastener Notice: ".
Tightening torque
1.5 N⋅m (13 lb in)
2
Auxiliary Heater Core Cover
Auxiliary Heater Core Assembly
3
Tip: Ensure the heater core gasket is in good condition upon installation.
Component Name
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Troubleshooting
