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
No-Load Performance Test
- Using a jumper wire, connect battery negative terminal to starter housing. Connect battery positive to ammeter. Connect other side of ammeter to starter "S" and BAT terminals. Ensure starter rotates smoothly.
- On Samurai, starter current draw should be less than 60 amps at 11.5 volts. On Sidekick and Swift GT (A/T), starter current draw should be less than 90 amps at 11 volts. On Swift GT (M/T), starter current draw should be less than 90 amps at 11.5 volts.
- On all Swift models using conventional type starter, starter current draw should be less than 50 amps at 11 volts. On Swift models using reduction type starter, starter current draw should be less than 90 amps at 11.5 volts.
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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