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HVAC System - Automatic: Specifications GMC Yukon Denali

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
Accumulator Bracket Mounting Nut9 N.m80 lb in
Air Inlet Actuator Mounting Screw1.6 N.m14 lb in
Air Outlet Mounting Screw1.6 N.m14 lb in
Blower Motor Relay/Resistor Screws1.6 N.m14 lb in
Blower Motor Insulating Cover1.6 N.m14 lb in
Compressor Bracket Mounting Bolt50 N.m37 lb ft
Compressor Mounting Bolt50 N.m37 lb ft
Condenser Mounting Bolts9 N.m80 lb in
Evaporator Pipe to Accumulator Nut16 N.m12 lb ft
Evaporator Pipe to Condenser Nut16 N.m12 lb ft
Evaporator Tube to Evaporator28 N.m21 lb ft
Extended Console Mounting Screw1.6 N.m14 lb in
Floor Air Outlet Screws1.6 N.m80 lb in
Heater Core Cover Screws9 N.m14 lb in
Heater Hose Mounting Bolt25 N.m18 lb ft
Hose to Accumulator Nut16 N.m12 lb ft
Hose to Condenser Nut16 N.m12 lb ft
HVAC Module Mounting Nuts4 N.m35 lb in
HVAC Module Mounting Screws4 N.m35 lb in
HVAC Module Screws1.6 N.m14 lb in
Mode Actuator Mounting Screw1.6 N.m14 lb in
Negative Battery Cable Bolt17 N.m13 lb ft
Passenger Compartment Air Filter Access Door Screw1.6 N.m14 lb in
Pressure Cycling Switch4 N.m35 lb in
Refrigerant Hose to Compressor Bolt34 N.m25 lb ft
Temperature Actuator Mounting Screw1.6 N.m14 lb in

Fastener Tightening Specifications

Relative HumidityAmbient Air TemperatureMaximum Low Side PressureEngine SpeedMaximum Center Air Outlet TemperatureMaximum High Side Pressure
40%26.7°C (80°F)220 kPa (32 psi)1500 RPM10.6°C (51°F)1 572 kPa (228 psi)
26.7°C (90°F)268 kPa (39 psi)10.6°C 59°F1 931 kPa (280 psi)
37.8°C (100°F)308 kPa (44 psi)18.9°C (66°F)2 075 kPa 301 psi
43.3°C (110°F)317 kPa (46 psi)23.9°C (75°F)2 255 kPa (327 psi)
48.9°C 1 (120°F) 1310 kPa 1 (45 psi) 117.2°C 1 (63°F) 12 530 kPa 1 (367 psi) 1
50%21.1°C 2 (70°F) 2193 kPa 2 (28 psi) 26.1°C 2 (43°F) 21 103 kPa 2 (160°F) 2
70%21.1°C (70°F)234 kPa (34 psi)12.2°C (54°F)1 572 kPa (228 psi)
32.2°C (90°F)324 kPa (47 psi)18.3°C (65°F)2 006 kPa 291 psi
80%26.7°C (80°F)268 kPa 39 psi14.4°C 58°F)1 731 kPa (251 psi)
1 Measure these values in MAX A/C with all of the windows closed. 2 The compressor cycles ON and OFF.

Fastener Tightening Specifications