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 MANUALSPLYMOUTH1989RELIANT L4-135 2.2L SOHCREPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSRECALLSEMISSIONSRECALL - POWERTRAIN CONTROL MODULESERVICE PROCEDURE
1989 Plymouth Reliant L4-135 2.2L SOHC
Service Procedure
1989 Plymouth Reliant L4-135 2.2L SOHCSECTION Service Procedure
Replace the Powertrain Control Module (PCM):
1. Remove air cleaner duct from PCM.
2. Disconnect battery cables. Remove battery.
Note:
To ensure customer satisfaction, remember to record all radio settings before disconnecting the battery and to reset the electronic memory when you have completed the service procedure.
3. Disconnect the PCM 14- and 60-way electrical connectors.
4. Remove and save the two PCM attaching screws. Remove the PCM and set aside for return to the Warranty Material Return Center.
5. Connect the 14- and 60-way electrical connectors to the new PCM.
6. Install the PCM and tighten the attaching screws securely.
7. Reinstall the battery and connect the battery cables securely.
8. Install the air cleaner duct to the PCM.
1. Remove air cleaner duct from PCM.
2. Disconnect battery cables. Remove battery.
Note:
To ensure customer satisfaction, remember to record all radio settings before disconnecting the battery and to reset the electronic memory when you have completed the service procedure.
3. Disconnect the PCM 14- and 60-way electrical connectors.
4. Remove and save the two PCM attaching screws. Remove the PCM and set aside for return to the Warranty Material Return Center.
5. Connect the 14- and 60-way electrical connectors to the new PCM.
6. Install the PCM and tighten the attaching screws securely.
7. Reinstall the battery and connect the battery cables securely.
8. Install the air cleaner duct to the PCM.
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.