Workshop Repair and Service Manuals GMC SIERRA
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HVAC

Heater Outlet Hose Replacement (LGH and LML)      Heater Outlet Hose Replacement Callout Component Name Preliminary ProceduresDrain the coolant. Refer toCooling System Draining and Filling.Disconnect the radiator surge tank hose from the heater outlet hose. Refer...
Heater Inlet Hose Replacement (LML) Heater Lines      Heater Inlet Hose Replacement Callout Component Name Preliminary ProceduresDrain the coolant. Refer toCooling System Draining and Filling.Remove the air cleaner outlet duct. Refer toAir Cleaner Outlet Duct...
Heater Core Replacement Heater Core      Heater Core Replacement Callout Component Name Preliminary ProcedureRemove the HVAC module. Refer toAir Conditioning and Heater Module Assembly Removal and Installation.Disconnect the wiring harness retainer from the...
Heater Core Cover Replacement Heater Core      Heater Core Cover Replacement Callout Component Name Preliminary Procedure Remove the HVAC module. Refer toAir Conditioning and Heater Module Assembly Removal and Installation. 1 Heater Core Cover Screw...
Ambient Air Temperature Sensor Replacement Ambient Temp Sensor      Ambient Air Temperature Sensor Replacement Callout Component Name Preliminary ProcedureRemove the top portion of the grill and gently pull forward.Refer toFront Grille Replacement.Disconnect ambient air sensor...
Air Conditioning Refrigerant Temperature Sensor Replacement      Removal ProcedureRemove the instrument panel compartment door assembly. Refer toInstrument Panel Compartment Door Replacement.Remove the instrument panel inflatable restraint module. Refer toAirbag Instrument Panel Module...
Air Conditioning Refrigerant Temperature Sensor Replacement - part 2      Remove the air conditioning refrigerant temperature sensor harness grommet-(1) fromthe top of the air conditioning and heater module assembly-(2). Pull the air conditioning refrigerant temperature sensor-(1) up and out of...
12-02-32-002A Power Steering Noise or Fluid Leak from Power Steering Pump Gear or High Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid) - (Jun 4 2013) A C Pressure Switches      Subject: Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High PressureHose During Extreme Low Temperature Operation (Replace Power Steering Fluid) Models:  2014 and Prior GM Passenger Cars and...