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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 830 (ENGINE COOLING)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
1999 GMC Forward Control 5.7 R, Automatic
Fastener Tightening Specifications
1999 GMC Forward Control 5.7 R, AutomaticSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Auxiliary Coolant Pump Bolt | 10 N.m | 89 lb in |
| Battery Terminal Bolt | 17 N.m | 13 lb ft |
| Coolant Bridge Bolt - L81 | 30 N.m | 22 lb ft |
| Coolant Pipe Engine Lift Bracket Bolt - L81 | 20 N.m | 15 lb ft |
| Exhaust Manifold Heat Shield Bolts - L61 | 25 N.m | 18 lb ft |
| Thermostat Housing Bolts - L81 | 20 N.m | 15 lb ft |
| Thermostat Housing Cover-to-Thermostat Housing Bolts - L61 | 10 N.m | 89 lb in |
| Thermostat Housing-to-Block Bolts - L61 | 10 N.m | 89 lb in |
| Thermostat Pipe Bracket-to-Cylinder Head Bolt - L61 | 8 N.m | 71 lb in |
| Water Pipe Support Bracket | 10 N.m | 89 lb in |
| Water Pump Access Bolts-to-Front Cover - L61 | 10 N.m | 89 lb in |
| Water Pump Bolts | 25 N.m | 18 lb ft |
| Water Pump Sprocket-to-Water Pump Bolts - L61 | 10 N.m | 89 lb in |
| Wheel Nuts | 125 N.m | 92 lb ft |
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.