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.
1991 Suzuki Samurai JSFACTORY OEM SERVICE PROCEDURE
Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
|---|---|
| Air Temperature Sensor | 26-40 (35-54) |
| Coolant Temperature Sensor | 26-40 (35-54) |
| Oxygen Sensor | 33-40 (45-54) |
| Spark Plugs | 18-22 (24-30) |
| Throttle Body Mounting | 13-20 (18-27) |
| INCH Lbs. (N.m) | |
| EGR Temperature Sensor | 72-168 (8.1-18.9) |
| Fuel Feed Pipe Bolts | 71-106 (8.0-11.9) |
| Fuel Pressure Regulator Screws | 31 (3.5) |
| Idle Speed Control Valve Screws | 31 (3.5) |
| Injector Cover Screws | 17 (1.9) |
| Throttle Position Sensor | 31 (3.5) |
| Upper-To-Lower Throttle Body Screws | 31 (3.5) |
Factory Service Tools
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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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