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.
1989 Mitsubishi Sigma AutomaticFACTORY OEM SERVICE PROCEDURE
Dashpot Specification
DASHPOT RPM SPECIFICATIONS
| Application | RPM | |
|---|---|---|
| Montero (2.6L) | 2000 | |
| Pickup | ||
| Automatic Transmission | 1500 | |
| Manual Transmission | 2000 | |
| Precis | 1800 | |
THROTTLE OPENER SPECIFICATIONS
| Application | RPM | |
|---|---|---|
| Montero (2.6L) | ||
| A/C Compressor Load | 900-950 | |
| Pickup | ||
| A/C Compressor Load | 850-950 | |
| Precis | ||
| A/C Compressor Load | 850-900 | |
| Electrical & Power Steering Load | 750-950 | |
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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