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 MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1269 (ENGINE COOLING SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2006 Chevrolet Suburban C1500, 5.3 Z
Fastener Tightening Specifications
2006 Chevrolet Suburban C1500, 5.3 ZSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Air Conditioning (A/C) Condenser Bolt | 6.5 N.m | 58 lb in |
| Air Conditioning (A/C) Line Clip to Fan Shroud Screw | 1 N.m | 9 lb in |
| Auxiliary Cooling Fan Bolt | 6.5 N.m | 58 lb in |
| Brake Master Cylinder Nut | 25 N.m | 18 lb ft |
| Clutch Master Cylinder Bolt | 50 N.m | 37 lb ft |
| Coolant Air Bleed Pipe Cover Bolt (LS2) | 12 N.m | 106 lb in |
| Coolant Air Bleed Stud (LS2) | 12 N.m | 106 lb in |
| Coolant Pipe to Cylinder Head Bolt (LP1, LY7) | 50 N.m | 37 lb ft |
| Coolant Pipe to Generator Bracket Bolt (LP1, LY7) | 10 N.m | 89 lb in |
| Coolant Pipe to Thermostat Housing Bolt (LP1, LY7) | 10 N.m | 89 lb in |
| Electric Cooling Fan Blade Nut | 7 N.m | 62 lb in |
| Electric Cooling Fan Motor Screw | 5 N.m | 44 lb in |
| Electric Cooling Fan Shroud to Plenum Bolt | 6.5 N.m | 58 lb in |
| Electric Cooling Fan Shroud to Radiator Bolt | 6.5 N.m | 58 lb in |
| Engine Coolant Heater (LS2) | 40 N.m | 30 lb ft |
| Engine Coolant Heater Cord Clip Bolt (LS2) | 32 N.m | 24 lb ft |
| Oil Level Indicator Tube Bolt | 20 N.m | 15 lb ft |
| Radiator Support Bracket Bolt | 9 N.m | 80 lb in |
| Surge Tank Bolt | 9 N.m | 80 lb in |
| Surge Tank Nut | 9 N.m | 80 lb in |
| Surge Tank Outlet Pipe Bracket to Cowl Nut (LS2) | 9 N.m | 80 lb in |
| Surge Tank Outlet Pipe Bracket to Engine Bolt (LP1, LY7) | 9 N.m | 80 lb in |
| Thermostat Bolt (LP1, LY7) | 10 N.m | 89 lb in |
| Thermostat Housing Bolt (LP1, LY7) | 20 N.m | 15 lb ft |
| Thermostat Housing Bolt (LS2) | 15 N.m | 11 lb ft |
| Water Outlet Housing Bolt (LP1, LY7) | 10 N.m | 89 lb in |
| Water Pump Bolt (LP1, LY7) | 10 N.m | 89 lb in |
| Water Pump Bolt (LS2) | ||
|
15 N.m | 11 lb ft |
|
30 N.m | 22 lb ft |
| Water Pump Pulley Bolt (LP1, LY7) | 12 N.m | 106 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.