Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 89 (HEATING SYSTEM, VENTILATION SYSTEM, AND AIR CONDITIONING SYSTEM)SPECIFICATIONSFASTENER SPECIFICATIONS
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G
Fastener Specifications
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Fastener Specifications
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Single Use Non-Threaded Fasteners/Components
|
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. |
|---|
| Application |
| Air Conditioning System Sealing Washer |
| Air Conditioning O-Ring Seal |
Reusable Threaded Fastener Tightening Specifications
|
NOTE:
All fasteners listed in this table can be reused after removal. |
|
|---|---|
| Application | Specification |
| Metric (English) | |
| Accumulator Bracket Bolt | 1.9 N.m (17 lb in) |
| Accumulator Retaining Nut | 18 N.m (13 lb ft) |
| Air Conditioning Accumulator Bolt @ Air Conditioning Accumulator Bracket | 6 N.m (53 lb in) |
| Air Conditioning Accumulator Nut | 22 N.m (16 lb ft) |
| Air Conditioning Compressor and Condenser Hose Bolt (LWN) | 22 N.m (16 lb ft) |
| Air Conditioning Compressor and Condenser Hose Nut (LWN) | 22 N.m (16 lb ft) |
| Air Conditioning Compressor Bolt (L20, L96, LC8) | 50 N.m (37 lb ft) |
| Air Conditioning Compressor Bolt (LWN) | 22 N.m (16 lb ft) |
| Air Conditioning Compressor Bracket Bolt (L20, L96, LC8) | 50 N.m (37 lb ft) |
| Air Conditioning Compressor Bracket Bolt (LWN) | 45 N.m (33 lb ft) |
| Air Conditioning Compressor High Pressure Cut Off Switch | 4 N.m (35 lb in) |
| Air Conditioning Compressor Hose Bolt (LWN) | 22 N.m (16 lb ft) |
| Air Conditioning Compressor Hose Nut (LWN) | 22 N.m (16 lb ft) |
| Air Conditioning Compressor Nut (LWN) | 22 N.m (16 lb ft) |
| Air Conditioning Compressor Stud (LWN) | 9 N.m (80 lb in) |
| Air Conditioning Evaporator and Blower Module | 6 N.m (53 lb in) |
| Air Conditioning Evaporator Tube Clip Bolt | 1.9 N.m (17 lb in) |
| Air Conditioning Evaporator Tube Nut | 22 N.m (16 lb ft) |
| Air Conditioning Refrigerant Filter Nut | 34 N.m (25 lb ft) |
| Air Conditioning Refrigerant Pressure Sensor | 4 N.m (35 lb in) |
| Air Distribution Duct Retaining Screw | 4 N.m (35 lb in) |
| Air Temperature Actuator Retaining Screw | 1.9 N.m (17 lb in) |
| Auxiliary Air Conditioning Evaporator Front Tube Bolt @ Auxiliary Air Conditioning Evaporator Intermediate Tube | 22 N.m (16 lb ft) |
| Auxiliary Air Conditioning Evaporator Front Tube Bolt @ Front Wheelhouse Splash Shield | 9 N.m (80 lb in) |
| Auxiliary Air Conditioning Evaporator Front Tube Nut @ Air Conditioning Compressor Hose | 22 N.m (16 lb ft) |
| Auxiliary Air Conditioning Evaporator Front Tube Nut @ Air Conditioning Evaporator Tube | 22 N.m (16 lb ft) |
| Auxiliary Air Conditioning Evaporator Front Tube Nut @ Auxiliary Air Conditioning Evaporator Intermediate Tube | 9 N.m (80 lb in) |
| Auxiliary Air Conditioning Evaporator Hose Bolt @ Auxiliary Air Conditioning Evaporator Hose | 9 N.m (80 lb in) |
| Auxiliary Air Conditioning Evaporator Hose Nut @ Auxiliary Air Conditioning Evaporator Hose | 22 N.m (16 lb ft) |
| Auxiliary Air Conditioning Evaporator Intermediate Tube Nut @ Auxiliary Air Conditioning Evaporator Hose | 22 N.m (16 lb ft) |
| Auxiliary Air Conditioning Evaporator Intermediate Tube Nut @ Auxiliary Air Conditioning Evaporator Intermediate Tube | 9 N.m (80 lb in) |
| Auxiliary Air Conditioning Evaporator Tube Shield Nut @ Auxiliary Air Conditioning Evaporator Hose | 9 N.m (80 lb in) |
| Auxiliary Blower Motor Screw | 5 N.m (44 lb in) |
| Auxiliary HVAC Module Underside Nut | 10 N.m (89 lb in) |
| Blower Motor Resistor Assembly Retaining Screw | 2 N.m (18 lb in) |
| Clutch Plate Retaining Bolt | 18 N.m (13 lb ft) |
| Coil Connector Retaining Bracket Screw | 9 N.m (80 lb in) |
| Discharge Hose Nut (L20, L96, LC8) | 16 N.m (12 lb ft) |
| Discharge Hose to the Compressor Bolt (L20, L96, LC8) | 35 N.m (26 lb ft) |
| Evaporator Hose Retaining Nut to the Evaporator | 16 N.m (12 lb ft) |
| Evaporator Inlet Tube Retaining Nut | 16 N.m (12 lb ft) |
| Evaporator Tube Connection | 28 N.m (21 lb ft) |
| Glow Plug to the Heater Coolant Heater | 2.5 N.m (22 lb in) |
| Heater Assembly Cover Retaining Screw | 1.9 N.m (17 lb in) |
| Heater Assembly Cover Screw | 1.9 N.m (17 lb in) |
| Heater Assembly Retaining Nut | 6 N.m (53 lb in) |
| Heater Case Retaining Screw | 1.9 N.m (17 lb in) |
| Heater Coolant Heater Blower Cover Retaining Screw | 6 N.m (53 lb in) |
| Heater Coolant Heater Blower Retaining Screw | 3 N.m (27 lb in) |
| Heater Coolant Heater Bolt | 8 N.m (71 lb in) |
| Heater Coolant Heater Bracket Bolt | 12 N.m (106 lb in) |
| Heater Coolant Heater Combustion Cover Retaining Screw | 6 N.m (53 lb in) |
| Heater Coolant Heater Combustion Sensor | 2.5 N.m (22 lb in) |
| Heater Coolant Heater Control Module Retaining Screw | 6 N.m (53 lb in) |
| Heater Coolant Heater Exhaust Muffler Bolt | 8 N.m (71 lb in) |
| Heater Coolant Heater Exhaust Muffler Clamp Bolt | 6.5 N.m (58 lb in) |
| Heater Coolant Heater Temperature Sensor Retaining Screw | 1.5 N.m (13 lb in) |
| Heater Core Access Door Retaining Screw | 1.9 N.m (17 lb in) |
| Heater Core Retainer | 1.9 N.m (17 lb in) |
| Heater Inlet and Outlet Pipe Nut | 22 N.m (16 lb ft) |
| Outlet Duct Screw | 2 N.m (18 lb in) |
| Rear Suction Line Nut (L20, L96, LC8) | 16 N.m (12 lb ft) |
| Retaining Nut to the Auxiliary Evaporator Underbody Rear Tube Assembly | 28 N.m (21 lb ft) |
| Retaining Screws to the Blower Case | 2 N.m (18 lb in) |
| Suction Line Bolt to the Compressor (L20, L96, LC8) | 35 N.m (26 lb ft) |
| Suction Line Nut to the Accumulator (L20, L96, LC8) | 16 N.m (12 lb ft) |
| Vacuum Pump Retaining Bolt | 3 N.m (27 lb in) |
| Windshield Defrost Duct Retaining Nut | 4 N.m (35 lb in) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.