Fastener Tightening Specifications
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Heating, Ventilation And Air Conditioning - Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| A/C High Pressure Recirculation Switch | 6 N.m | 53 lb in |
| A/C Low Pressure Switch | 6 N.m | 53 lb in |
| A/C Refrigerant Filter Retaining Nuts | 15 N.m | 11 lb ft |
| Accumulator Bracket Nut | 9 N.m | 80 lb in |
| Accumulator Clamp Bolt | 10 N.m | 8 lb ft |
| Air Distribution Duct Screws | 1.6 N.m | 14 lb in |
| Air Outlet Mounting Screw | 1.6 N.m | 14 lb in |
| Auxiliary A/C Tubes at the Auxiliary HVAC Module | 16 N.m | 12 lb ft |
| Auxiliary Evaporator Tube to TXV Nut | 28 N.m | 21 lb ft |
| Auxiliary HVAC Module A/C Line Nut | 16 N.m | 12 lb ft |
| Auxiliary HVAC Module Mounting Nuts to Vehicle | 9 N.m | 80 lb in |
| Blower Motor Insulating Cover Screw | 1.6 N.m | 14 lb in |
| Blower Motor Relay/Resistor Screw | 1.6 N.m | 14 lb in |
| Compressor Bracket Mounting Bolts | 50 N.m | 37 lb ft |
| Compressor Clutch Coil Connector Retaining Bracket Screw | 9 N.m | 80 lb in |
| Compressor Clutch Plate Retaining Bolt | 18 N.m | 13 lb ft |
| Compressor Discharge Hose Nut at Compressor | 16 N.m | 12 lb ft |
| Compressor Hose Bolt to Compressor (L18 Harrison) | 34 N.m | 25 lb ft |
| Compressor Mounting Bolts (L18 Harrison) | 50 N.m | 37 lb ft |
| Compressor Mounting Bolts (LR4, LM7, LQ4 Denso) | 50 N.m | 37 lb ft |
| Compressor Suction/Discharge Hose Bolt | 34 N.m | 25 lb ft |
| Compressor Suction Hose Nut to Accumulator | 16 N.m | 12 lb ft |
| Compressor Suction Hose to Accumulator | 41 N.m | 30 lb ft |
| Condenser Upper Insulator Retainer Bolts | 2.4 N.m | 21 lb in |
| Discharge Hose Mounting Bolt (LR4, LM7, LQ4 Denso) | 16 N.m | 12 lb ft |
| Evaporator Tube Fitting at Orifice | 25 N.m | 18 lb ft |
| Evaporator Tube Nut at Condenser | 16 N.m | 12 lb ft |
| Evaporator Tube Nut at Evaporator | 16 N.m | 12 lb ft |
| Evaporator Tube to the Auxiliary A/C Tube | 16 N.m | 12 lb ft |
| Filter Access Door Screw | 1.6 N.m | 14 lb in |
| Floor Air Outlet Duct Screw | 1.6 N.m | 14 lb in |
| Heater A/C Auxiliary Tubes Retaining Nuts | 7 N.m | 62 lb in |
| Heater Core Cover Screws | 1.6 N.m | 14 lb in |
| Heater Hose Outlet Mounting Nut and Bolt | 25 N.m | 18 lb ft |
| Heater/Ventilation Module Mounting Nuts | 9 N.m | 80 lb in |
| Heater/Ventilation Module Mounting Screws | 4 N.m | 35 lb in |
| Heater Ventilation Module Screws | 1.6 N.m | 14 lb in |
| Insulator Retainers and Bolts | 2.4 N.m | 21 lb in |
| Pressure Relief Valve | 9 N.m | 80 lb in |
| Suction Hose Mounting Bolt (LR4, LM7, LQ4 Denso) | 16 N.m | 12 lb ft |