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 MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 478 (ENGINE EXHAUST SYSTEM)SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS (LX5)
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
Fastener Tightening Specifications (LX5)
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Fastener Tightening Specifications (LX5)
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications (LX5)
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Accelerator Control Cable Bracket Bolt | 13 N.m | 115 lb in |
| Accelerator Control Cable Bracket Nut | 10 N.m | 89 lb in |
| Catalytic Converter Nut | 25 N.m | 18 lb ft |
| Center Exhaust Hanger Bolt | 30 N.m | 22 lb ft |
| EGR Inlet Pipe Nut | 60 N.m | 44 lb ft |
| Exhaust Manifold Bolt | 25 N.m | 18 lb ft |
| Exhaust Manifold Crossover Bolt | 25 N.m | 18 lb ft |
| Exhaust Manifold Heat Shield Bolt | 9 N.m | 80 lb in |
| Exhaust Manifold Pipe Nut | 50 N.m | 37 lb ft |
| Exhaust Manifold Stud | 9 N.m | 80 lb in |
| Muffler Clamp Nut | 40 N.m | 30 lb ft |
| Rear Exhaust Hanger Bolt | 50 N.m | 37 lb ft |
| Rear Exhaust Hanger Nut | 30 N.m | 22 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.