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.
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HOMESERVICE MANUALSMITSUBISHI1990PRECIS BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROLS - SPECIFICATIONSQUICK-SERVICESERVICE INTERVALS & SPECIFICATIONS
1990 Mitsubishi Precis Base, Standard
Service Intervals & Specifications
1990 Mitsubishi Precis Base, StandardSECTION Service Intervals & Specifications
REPLACEMENT INTERVALS
| Component | Interval (Miles) | ||||
|---|---|---|---|---|---|
| Mirage | |||||
| Air Filter | 30,000 | ||||
| Automatic Transaxle Fluid | 30,000 | ||||
| Belts | 30,000 | ||||
| Coolant | 30,000 | ||||
| Fuel & Vapor Hoses | 50,000 | ||||
| Oil | 7,500 | ||||
| Oil Filter | 15,000 | ||||
| Spark Plugs | 30,000 | ||||
| Timing Belt | 60,000 | ||||
| Eclipse | |||||
| Air Filter | 30,000 | ||||
| Automatic Transaxle Fluid | 30,000 | ||||
| Belts | 30,000 | ||||
| Coolant | 30,000 | ||||
| Fuel & Vapor Hoses | 50,000 | ||||
| Oil | |||||
| Non-Turbo | 7,500 | ||||
| Turbo | 5,000 | ||||
| Oil Filter | |||||
| Non-Turbo | 15,000 | ||||
| Turbo | 10,000 | ||||
| Spark Plugs | 30,000 | ||||
| Timing Belt | 60,000 | ||||
| Galant | |||||
| Air Filter | 30,000 | ||||
| Automatic Transaxle Fluid | 30,000 | ||||
| Belts | 30,000 | ||||
| Coolant | 30,000 | ||||
| Fuel & Vapor Hoses | 50,000 | ||||
| Oil | 7,500 | ||||
| Oil Filter | 15,000 | ||||
| Rear Axle Fluid | 30,000 | ||||
| Spark Plugs | 30,000 | ||||
| Timing & Balance Shaft Belts | 60,000 | ||||
| Montero | |||||
| Air Filter | 30,000 | ||||
| Automatic Transmission Fluid | 30,000 | ||||
| Belts | 30,000 | ||||
| Coolant | 30,000 | ||||
| EGR Valve (1) | 50,000 | ||||
| Front & Rear Axle Fluid | 30,000 | ||||
| Fuel Filter | 50,000 | ||||
| Fuel & Vapor Hoses | 50,000 | ||||
| Oil | 7,500 | ||||
| Oil Filter | 15,000 | ||||
| O2 Sensor | 80,000 | ||||
| Spark Plugs | 30,000 | ||||
| Spark Plug Wires (1) | 60,000 | ||||
| Timing Belt | 60,000 | ||||
| Transfer Case Fluid | 30,000 | ||||
| Vapor Canister (1) | 100,000 | ||||
| Pickup | |||||
| Air Filter | 30,000 | ||||
| Automatic Transmission Fluid | 30,000 | ||||
| Belts | 30,000 | ||||
| Coolant | 30,000 | ||||
| EGR Valve (2.4L) (1) | 50,000 | ||||
| Front & Rear Axle Fluid | 30,000 | ||||
| Fuel Filter | 50,000 | ||||
| Fuel & Vapor Hoses | 50,000 | ||||
| Oil | 7,500 | ||||
| Oil Filter | 15,000 | ||||
| O2 Sensor (1) | 80,000 | ||||
| Spark Plugs | 30,000 | ||||
| Spark Plug Wires (1) | 60,000 | ||||
| Timing Belt | 60,000 | ||||
| Transfer Case Fluid | 30,000 | ||||
| Vapor Canister (1) | 100,000 | ||||
| Precis | |||||
| Air Filter | 30,000 | ||||
| Automatic Transaxle Fluid | 30,000 | ||||
| Belts | 60,000 | ||||
| Brake Fluid | 30,000 | ||||
| Coolant | 30,000 | ||||
| Fuel Filter | 60,000 | ||||
| Fuel & Vapor Hoses | 60,000 | ||||
| Oil & Filter | 7,500 | ||||
| O2 Sensor | 60,000 | ||||
| Spark Plugs | 30,000 | ||||
| Timing Belt | 60,000 | ||||
| Vapor Canister | 60,000 | ||||
| Sigma | |||||
| Air Filter | 30,000 | ||||
| Automatic Transaxle Fluid | 30,000 | ||||
| Belts | 30,000 | ||||
| Coolant | 30,000 | ||||
| Fuel & Vapor Hoses | 50,000 | ||||
| Oil & Filter | 7,500 | ||||
| Spark Plugs | 60,000 | ||||
| Timing & Balance Shaft Belts | 60,000 | ||||
| Van/Wagon | |||||
| Air Filter | 30,000 | ||||
| Belts | 30,000 | ||||
| Coolant | 30,000 | ||||
| EGR Valve (1) | 50,000 | ||||
| Fuel & Vapor Hoses | 50,000 | ||||
| Oil | 7,500 | ||||
| Oil Filter | 15,000 | ||||
| O2 Sensor (1) | 80,000 | ||||
| Spark Plugs | 60,000 | ||||
| Spark Plug Wires (1) | 60,000 | ||||
| Timing Belt | 60,000 | ||||
| Vapor Canister | 100,000 | ||||
|
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DRIVE BELT ADJUSTMENT
| Application | (1) Deflection In. (mm) | |||
|---|---|---|---|---|
| Mirage | ||||
| 1.5L | .28-.35 (7.1-8.9) | |||
| 1.6L | .35-.45 (8.9-11.4) | |||
| Eclipse | ||||
| 1.8L | .26-.31 (6.5-8.0) | |||
| 2.0L | .28-.34 (7.1-8.6) | |||
| Galant | .28-.34 (7.1-8.6) | |||
| Montero | ||||
| 2.6L | .35-.47 (8.9-11.9) | |||
| 3.0L | .22-.32 (5.6-8.1) | |||
| Pickup | ||||
| 2.0L | .28-.39 (7.1-9.9) | |||
| 2.6L | .35-.47 (8.9-11.9) | |||
| Precis | ||||
| A/C Belt | .18-.22 (4.5-5.6) | |||
| Alternator Belt | .28-.32 (7.1-8.1) | |||
| Sigma | .16-.20 (4.1-5.1) | |||
| Van/Wagon | .28-.40 (7.1-10.2) | |||
|
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RENDER: 1.0x
NO RELATED
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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.