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.
1990 Geo Metro LSi, 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE
Service Intervals & Specifications
REPLACEMENT INTERVALS (1)
| Component | Interval (Miles) | ||||
|---|---|---|---|---|---|
| Air Filter | 30,000 | ||||
| Coolant | 30,000 | ||||
| Ignition Wires | 60,000 | ||||
| Oil & Filter | 7,500 | ||||
| PCV Valve | 30,000 | ||||
| Spark Plug | 30,000 | ||||
| Timing Belt | N/A | ||||
| Automatic Transaxle Lubricant | 100,000 (2) | ||||
| Manual Transaxle Lubricant | 12,000 | ||||
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BELT ADJUSTMENT (1)
| Application | (2) Specification Belt Deflection | ||||
|---|---|---|---|---|---|
| A/C Belt | .20-.25" (5.1-6.4 mm) | ||||
| W/P Belt | .25-.32" (6.4-8.1 mm) | ||||
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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.