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 MANUALSCHEVROLET1999PICKUP K1500, 5.7 RREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 449 (HEATING, VENTILATION AND AIR CONDITIONING)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
1999 Chevrolet Pickup K1500, 5.7 R
Fastener Tightening Specifications
1999 Chevrolet Pickup K1500, 5.7 RSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| A/C Refrigerant Filter Flare Nut | 15 N.m | 11 lb ft |
| A/C Refrigerant Pressure Sensor | 5 N.m | 44 lb in |
| Actuator Screws, Ail | 0.9 N.m | 8 lb in |
| Air Baffle Bolts | 20 N.m | 15 lb ft |
| Air Distributor Cover Screws | 0.9 N.m | 8 lb in |
| Air Inlet Housing Screws | 0.9 N.m | 8 lb in |
| Blower Motor Mounting Screws | 1.8 N.m | 16 lb in |
| Blower Motor Resistor Mounting Screws | 1.8 N.m | 16 lb in |
| Center Air Distribution Duct Retaining Nut | 10 N.m | 89 lb in |
| Compressor Mounting Bolts | 50 N.m | 37 lb ft |
| Condenser Mounting Bolts | 6 N.m | 53 lb in |
| Condenser Tube Clip Bolt | 2.5 N.m | 22 lb in |
| Cruise Control Module Mounting Bracket Bolts | 6 N.m | 53 lb in |
| Discharge Hose to Compressor Nut | 16 N.m | 12 lb ft |
| Discharge Hose to Condenser Nut | 16 N.m | 12 lb ft |
| Evaporator Inlet Tube to Condenser Bolt | 16 N.m | 12 lb ft |
| Evaporator Inlet Tube Clamp Nut | 3.3 N.m | 89 lb in |
| Evaporator Outlet Tube Bracket Bolt | 5.5 N.m | 49 lb in |
| Evaporator Outlet Tube to Thermal Expansion Valve Nut | 16 N.m | 12 lb ft |
| Floor Duct Retaining Nuts | 10 N.m | 89 lb in |
| Heater Core Cover Screws | 0.9 N.m | 8 lb in |
| Heads Up Display Module Bolts | 2 N.m | 18 lb in |
| Heater Core Pipe Retaining Screw | 0.9 N.m | 8 lb in |
| Heater Inlet Pipe Bracket Nut | 7 N.m | 62 lb in |
| Heater Outlet Duct Screws | 0.9 N.m | 8 lb in |
| HVAC Module Mounting Screws | 0.9 N.m | 8 lb in |
| HVAC Module to Dash Panel Sound Barrier Nuts | 10 N.m | 89 lb in |
| HVAC Mounting Bracket Screws | 1.8 N.m | 16 lb in |
| Instrument Panel Compartment Hinge Screws | 4 N.m | 35 lb in |
| Knee Bolster Screws | 2.2 N.m | 22 lb in |
| Mode Actuator Mounting Bracket Screws | 0.9 N.m | 8 lb in |
| Receiver Dehydrator Lower Mounting Bolts | 6 N.m | 53 lb in |
| Receiver Dehydrator Upper Bracket Bolt | 6 N.m | 53 lb in |
| Right Hand Temperature Actuator Mounting Bracket Screws | 0.9 N.m | 8 lb in |
| Service Port | 11 N.m | 98 lb in |
| Suction Hose to Compressor Nut | 16 N.m | 12 lb ft |
| Suction Hose to Evaporator Outlet Tube Bolt | 16 N.m | 12 lb ft |
| Temperature Door Lever Bolt | 0.9 N.m | 8 lb in |
| Thermal Expansion Valve to Evaporator Core Mounting Bolts | 3.2 N.m | 28 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.