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.
1992 Chevrolet APVFACTORY OEM SERVICE PROCEDURE
Torque Specifications (Gasoline)
TORQUE SPECIFICATIONS (GASOLINE)
| Application | Ft. Lbs. (N.m) | |
|---|---|---|
| Fuel Line Nut (Except 3.8L CPI & 4.3L Turbo) | 20 (27) | |
| Idle Air Control Motor (Threaded) | 13 (18) | |
| Lower Intake Manifold Bolts (Turbo) | 35 (47) | |
| Oxygen Sensor | 30 (41) | |
| Throttle Body-To-Manifold Bolts | ||
| 2.5L | 12.5 (17) | |
| 2.8L & 3.1L | 18 (24) | |
| 3.8L | 11 (15) | |
| 4.3L Turbo | 18 (24) | |
| All Others | 12 (16) | |
| Turbocharger Line Fittings | ||
| Coolant Lines | 16 (22) | |
| Oil Feed Line | 13 (18) | |
| Turbocharger-To-Manifold Nuts | 33 (45) | |
| INCH Lbs. (N.m) | ||
| Fuel Line Fittings (Turbo) | 58 (6.5) | |
| Fuel Meter Body Screws | ||
| TBI Model 220 | 30 (3) | |
| TBI Model 700 | 53 (6) | |
| Fuel Meter Cover Screws (TBI Model 220 Only) | 28 (3) | |
| Fuel Pressure Regulator Screws (TBI Model 700 Only) | 22 (2.5) | |
| Idle Air Control Valve Screws (Flange Mounted) | 28 (3) | |
| Turbocharger Oil Return Line Bolt | 35 (4) | |
| Throttle Body Injector Retaining Screw (Model 700) | 27 (3) | |
| Upper Intake Manifold Bolts & Nuts (CPI) | 90 (10) | |
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.
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