Home ReviewsRefund
Home/GMC/Savana H1500/GMC Savana H1500 (2003-2013)/Repair manual/Automatic HVAC System/Heating, Ventilation, and Air Conditioning: Specifications
Contents Wiring diagrams Section: Automatic HVAC System All sections

Heating, Ventilation, and Air Conditioning: Specifications GMC Savana H1500

Automatic HVAC System

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Accumulator Bracket Retaining Screw9 N.m80 lb in
Accumulator Retaining Nut18 N.m13 lb ft
A/C Low Pressure Switch to Accumulator4 N.m35 lb in
A/C Refrigerant Filter Nut34 N.m25 lb ft
Air Temperature Screw1.9 N.m17 lb in
Auxiliary Blower Motor Screw5 N.m44 lb in
Auxiliary Evaporator to Compressor Hose Fitting48 N.m35 lb ft
Auxiliary Evaporator Underbody Rear Tube to Core28 N.m21 lb ft
Auxiliary Heater Retaining Nut10 N.m89 lb in
Auxiliary HVAC Module Bottom Screw1.9 N.m17 lb in
Auxiliary HVAC Module Screw2 N.m18 lb in
Blower Case Screw2 N.m18 lb in
Blower Motor Resistor Assembly Screw2 N.m18 lb in
Blower Motor Retaining Screw2 N.m18 lb in
Clutch Plate Bolt18 N.m13 lb ft
Coil Connector Bracket Screw9 N.m80 lb in
Compressor Inlet Hose to Accumulator Nut16 N.m12 lb ft
Compressor to Mounting Bracket Bolt50 N.m37 lb ft
Condenser Retaining Bolt9 N.m80 lb in
Coolant Heater Combustion Sensor2.5 N.m22 lb in
Coolant Heater Temperature Sensor Screw1.5 N.m13 lb in
Discharge Hose to Compressor Bolt (4.8 L, 5.3 L and 6.0 L)35 N.m26 lb ft
Discharge Hose to Compressor Bolt (6.6 L)16 N.m12 lb ft
Discharge Hose to Condenser Nut16 N.m12 lb ft
Distribution Duct Retaining Screw4 N.m35 lb in
Evaporator Hose Clip Screw6 N.m53 lb in
Evaporator Hose to Evaporator Nut16 N.m12 lb ft
Evaporator Inlet Hose to Evaporator Nut16 N.m12 lb ft
Evaporator Inlet Hose to Front Evaporator Tube Nut16 N.m12 lb ft
Evaporator Inlet Hose to Front Evaporator Tube Fitting16 N.m12 lb ft
Evaporator Inlet Tube Retaining Nut16 N.m12 lb ft
Evaporator Outlet Hose to Accumulator Nut16 N.m12 lb ft
Evaporator Tube to Engine and Body Nut6 N.m53 lb in
Evaporator Tube to Auxiliary Evaporator Core Fitting48 N.m35 lb ft
Evaporator Tube to TXV Fitting28 N.m21 lb ft
Floor Outlet Duct Screw2 N.m18 lb in
Front Evaporator Tube to Condenser Nut16 N.m12 lb ft
Heater Coolant Heater Blower Cover Screw3 N.m27 lb in
Heater Coolant Heater Blower Screw3 N.m27 lb in
Heater Coolant Heater Bolt6 N.m53 lb in
Heater Coolant Heater Combustion Screw6 N.m53 lb in
Heater Coolant Heater Control Module Lower Screw6 N.m53 lb in
Heater Coolant Heater Control Module Upper Screw3 N.m27 lb in
Heater Coolant Heater Muffler Bolt6 N.m53 lb in
Fuel Pump Bolt8 N.m71 lb in
Glow Plug2.5 N.m22 lb in
Heater Assembly Cover Screw1.9 N.m17 lb in
Heater Assembly Retaining Nut6 N.m53 lb in
Heater Core Access Door Screw1.9 N.m17 lb in
Heater Core Screw1.9 N.m17 lb in
Heater Pipe to Engine Nut8 N.m71 lb in
Heater Pipe to Transmission Housing Nut25 N.m18 lb ft
Hose to Transmission Bracket Bolt5 N.m44 lb in
Lower Air Outlet Duct Screw2 N.m18 lb in
Module Assembly Nut6 N.m53 lb in
Rear Evaporator Tube Nut16 N.m12 lb ft
Rear Suction Line Nut16 N.m12 lb ft
Suction Line to Accumulator Nut16 N.m12 lb ft
Suction Line to Compressor Bolt (4.8 L, 5.3 L and 6.0 L)35 N.m26 lb ft
Suction Line to Compressor Bolt (6.6 L)16 N.m12 lb ft
Vacuum Pump Bolt3 N.m27 lb in
Windshield Defrost Duct Nut4 N.m35 lb in
Windshield Defrost Duct Screw4 N.m35 lb in

Refrigerant System Capacities

ApplicationSpecification
MetricEnglish
PAG Oil GM P/N 12378526 for United States PAG Oil GM P/N 88900060 for Canada
Accumulator Replacement*60 ml*2 oz*
The Denso service compressor is precharged with 240 ml (8oz) of PAG oil.
Accumulator Replacement60 ml 12 oz 1
*Add the same amount of PAG oil drained from the failed accumulator, plus the specified amount.
Condenser Replacement30 ml 11 oz 1
Evaporator Replacement90 ml 13 oz 1
Evaporator, Rear Replacement90 ml 13 oz 1
1 Abrupt refrigerant loss due to large leak, hose rupture, collision, or pressure relief valve opening. Conditions that allow the refrigerant to seep or bleed off over time do not cause this oil loss. Upon replacement of a component that caused a large refrigerant loss, also add the required amount of oil for the particular component.
Total System PAG Oil Capacity240 ml8 oz
Total System PAG Oil Capacity with Rear A/C330 ml11 oz
Refrigerant Charge0.91 kg2.0 lb
Refrigerant Charge with Rear A/C1.59 kg3.0 lb

More articles — Heating, Ventilation, and Air Conditioning