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.
1997 Isuzu Trooper LSFACTORY OEM SERVICE PROCEDURE
Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| Coolant Pipe Rear Mounting Bolt | 12 (16) |
| DIS Assembly Retaining Bolts | 14 (19) |
| EGR Valve Assembly | 10 (14) |
| Engine Coolant Temperature Sensor | 22 (30) |
| Front Drive Shaft Yoke | 46 (62) |
| Fuel Tank Drain Plug | 14 (20) |
| Fuel Tank Retaining Bolts | 27 (36) |
| Lower Intake Manifold Nuts & Bolts | 15 (20) |
| Oxygen Sensor | 40 (55) |
| Right Exhaust Shield | 27 (37) |
| Throttle Body Bolts | 10 (14) |
| Throttle Body Chamber Nuts & Bolts | 17 (24) |
| Upper Intake Manifold Nuts & Bolts | 15 (20) |
| Vehicle Speed Sensor | 12 (16) |
| INCH Lbs. (N.m) | |
| Camshaft Position Sensor Bolt | 78 (9) |
| Crankshaft Position Sensor Bolt | 78 (9) |
| Fuel Pressure Regulator Attaching Screw | 60 (6.5) |
| Fuel Rail Bolts | 75 (8) |
| Idle Air Control Valve | 9 (1) |
| Knock Sensor | 62 (6.7) |
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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