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.
1988 Pontiac Sunbird Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Torque Specifications
TORQUE SPECIFICATIONS (2.0L)
| Application | Ft. Lbs. (N.m) | |
|---|---|---|
| Exhaust Manifold Bolts | 16 (22) | |
| Exhaust Pipe-to-Elbow Bolt | 18 (24) | |
| Intake Manifold Bolt | 18 (24) | |
| Retaining Nut | 18 (24) | |
| Throttle Body Nuts | 18 (24) | |
| Turbo-to-Exhaust Manifold Nuts | 18 (24) | |
| Turbo-to-Exhaust Outlet Elbow Stud | 18 (24) | |
| Turbo Support Bracket | ||
| Lower Bolt | 37 (50) | |
| Retaining Nut | 18 (24) | |
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| CHRA-to-Compressor Housing Nut | 13 (18) |
| CHRA-to-Turbine Housing Bolt | 15 (20) |
| Elbow Assy.-to-Turbine Housing Stud | 15 (20) |
| Exhaust Manifold-to-Cylinder Head Nut | 37 (50) |
| Exhaust Pipe Fittings Stud | 15 (20) |
| Intake Manifold-to-Cylinder Head Bolts | 44 (60) |
| Stabilizer Bracket Nut & Bolt | 22 (30) |
| Support Bracket-to-Intake Manifold Bolt | 22 (30) |
| Throttle Body-to-Compressor Housing Stud | 20 (27) |
Factory Service Tools
Use the Manual With the Right Hardware
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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.