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 Plymouth Colt Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Service Intervals & Specifications
REPLACEMENT INTERVALS
| Component | Miles | ||||||
|---|---|---|---|---|---|---|---|
| Colt, Colt 200, Mirage & Summit | |||||||
| Air Filter | 30,000 | ||||||
| Automatic Transaxle Fluid | 30,000 | ||||||
| Belts | 30,000 | ||||||
| Coolant | 30,000 | ||||||
| Fuel & Vapor Hoses | 50,000 | ||||||
| Oil | 7500 | ||||||
| Oil Filter | 15,000 | ||||||
| Spark Plugs | 30,000 | ||||||
| Timing Belt | 60,000 | ||||||
| Colt Vista | |||||||
| Air Filter | 30,000 | ||||||
| Automatic Transaxle Fluid | 30,000 | ||||||
| Belts | 30,000 | ||||||
| Coolant | 30,000 | ||||||
| EGR Valve (1) | 50,000 | ||||||
| Fuel & Vapor Hoses | 50,000 | ||||||
| Oil | 7500 | ||||||
| Oil Filter | 15,000 | ||||||
| O2 Sensor (1) | 80,000 | ||||||
| Rear Axle Fluid | 30,000 | ||||||
| Spark Plugs | 30,000 | ||||||
| Spark Plug Wires (1) | 60,000 | ||||||
| Timing Belt | 60,000 | ||||||
| Vapor Canister (1) | 100,000 | ||||||
| Mirage | |||||||
| Air Filter | 30,000 | ||||||
| Automatic Transaxle Fluid | 30,000 | ||||||
| Belts | 30,000 | ||||||
| Coolant | 30,000 | ||||||
| Fuel & Vapor Hoses | 50,000 | ||||||
| Oil | 7500 | ||||||
| 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 | 7500 | ||||||
| Turbo | 5000 | ||||||
| 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 | |||||||
| Non-Turbo | 7500 | ||||||
| Turbo | 5000 | ||||||
| Oil Filter | |||||||
| Non-Turbo | 15,000 | ||||||
| Turbo | 10,000 | ||||||
| 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 | ||||||
| Front & Rear Axle Fluid | 30,000 | ||||||
| Fuel Filter | 50,000 | ||||||
| Fuel & Vapor Hoses | 50,000 | ||||||
| Oil | 7500 | ||||||
| Oil Filter | 15,000 | ||||||
| O2 Sensor (2) | 80,000 | ||||||
| Spark Plugs | 30,000 | ||||||
| Spark Plug Wires (2) | 60,000 | ||||||
| Timing Belt | 60,000 | ||||||
| Transfer Case Fluid | 30,000 | ||||||
| Vapor Canister (2) | 100,000 | ||||||
| Pickup & Ram-50 | |||||||
| Air Filter | 30,000 | ||||||
| Automatic Transmission Fluid | 30,000 | ||||||
| Belts | 30,000 | ||||||
| Coolant | 30,000 | ||||||
| EGR Valve (2.4L) (2) | 50,000 | ||||||
| Front & Rear Axle Fluid | 30,000 | ||||||
| Fuel Filter | 50,000 | ||||||
| Fuel & Vapor Hoses | 50,000 | ||||||
| Oil | 7500 | ||||||
| Oil Filter | 15,000 | ||||||
| O2 Sensor (2) | 80,000 | ||||||
| Spark Plugs | 30,000 | ||||||
| Spark Plug Wires (2) | 60,000 | ||||||
| Timing Belt | 60,000 | ||||||
| Transfer Case Fluid | 30,000 | ||||||
| Vapor Canister (2) | 100,000 | ||||||
| Stealth | |||||||
| Air Filter | 30,000 | ||||||
| Automatic Transaxle Fluid | 30,000 | ||||||
| Belts | 30,000 | ||||||
| Coolant | 30,000 | ||||||
| Front & Rear Axle Fluid | 30,000 | ||||||
| Fuel & Vapor Hoses | 50,000 | ||||||
| Oil | |||||||
| Non-Turbo | 7500 | ||||||
| Turbo | 5000 | ||||||
| Oil Filter | |||||||
| Non-Turbo | 15,000 | ||||||
| Turbo | 10,000 | ||||||
| Spark Plugs | 60,000 | ||||||
| Timing Belt | 60,000 | ||||||
| 3000GT | |||||||
| Air Filter | 30,000 | ||||||
| Belts | 30,000 | ||||||
| Coolant | 30,000 | ||||||
| Fuel & Vapor Hoses | 50,000 | ||||||
| Front & Rear Axle Fluid | 30,000 | ||||||
| Oil | |||||||
| Non-Turbo | 7500 | ||||||
| Turbo | 5000 | ||||||
| Oil Filter | |||||||
| Non-Turbo | 15,000 | ||||||
| Turbo | 10,000 | ||||||
| Spark Plugs | 60,000 | ||||||
| Timing Belt | 60,000 | ||||||
|
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BELT ADJUSTMENT
| Application | Deflection (1) In. (mm) | ||||
|---|---|---|---|---|---|
| Colt, Colt 200, Mirage & Summit | |||||
| 1.5L | .28-.35 (7.1-8.9) | ||||
| 1.6L | .35-.45 (8.9-11.4) | ||||
| Colt Vista | |||||
| 2.0L | .28-.40 (7.1-10.2) | ||||
| Eclipse | |||||
| 1.8L | .32-.43 (8.1-11.1) | ||||
| 2.0L | .35-.45 (8.9-11.4) | ||||
| Galant | |||||
| Alternator Belt | .35-.45 (8.9-11.4) | ||||
| A/C Belt | .32 (8.1) | ||||
| Power Steering Belt | .24-.35 (6.1-8.9) | ||||
| Montero | |||||
| 3.0L | .20-.24 (5.1-6.1) | ||||
| Pickup & Ram-50 | |||||
| 2.4L | .27-.39 (6.8-9.9) | ||||
| 3.0L | .32-.39 (8.1-9.9) | ||||
| Stealth & 3000GT | |||||
| SOHC | |||||
| Alternator & Power Steering Belt | .24-.35 (6.1-8.9) | ||||
| A/C Belt | .28-.37 (7.1-9.5) | ||||
| DOHC | |||||
| Alternator Belt (With or Without A/C) | .16-.22 (4.1-5.6) | ||||
| Power Steering Belt | .35-.43 (8.9-11.1) | ||||
|
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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.