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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 358 (ENGINE COOLING SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Fastener Tightening Specifications
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Condenser-to-Radiator Bolt | 6 N.m | 53 lb in |
| Coolant Crossover Pipe Bolt (RPO's LZE/LZ9) | 50 N.m | 37 lb ft |
| Coolant Heater (RPO LS4) | 50 N.m | 37 lb ft |
| Coolant Heater (RPO's LZE/LZ9) | 60 N.m | 44 lb ft |
| Engine Coolant Air Bleed Pipe/Cover Bolt (RPO LS4) | 12 N.m | 106 lb in |
| Lower Radiator Support Bracket Bolt | 60 N.m | 44 lb ft |
| Thermostat Bypass Pipe-to-Engine Front Cover Bolt (RPO's LZE/LZ9) | 11 N.m | 98 lb in |
| Thermostat Bypass Pipe-to-Throttle Body Nut (RPO's LZE/LZ9) | 25 N.m | 18 lb ft |
| Thermostat Housing Bolt/Stud (RPO's LZE/LZ9) | 25 N.m | 18 lb ft |
| Transmission Oil Cooler Pipe Attachment Nut | 7 N.m | 62 lb in |
| Upper Radiator Support Bracket Bolt | 10 N.m | 89 lb in |
| Water Outlet Housing Bolt (RPO LS4) | 15 N.m | 11 lb ft |
| Water Pump Bolt (RPO LS4) | 10 N.m | 89 lb in |
| Water Pump Bolt (RPO's LZE/LZ9) | 10 N.m | 89 lb in |
| Water Pump Manifold Bolt (M8) (RPO LS4) | 30 N.m | 22 lb ft |
| Water Pump Manifold Bolt (M10) (RPO LS4) | 60 N.m | 44 lb ft |
| Water Pump Pulley Bolt (RPO's LZE/LZ9) | 25 N.m | 18 lb ft |
RENDER: 1.0x
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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.