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.
2007 Saturn Relay 3.9 1FACTORY OEM SERVICE PROCEDURE
Installation Procedure
- Connect the engine harness electrical connectors (4) to the ECM.
- Install the ECM (2) to the air cleaner cover.
- Install the air cleaner assembly cover.
- Install the air cleaner cover (1) to the air cleaner assembly (3) and tighten the cover screws.
Tighten:Β Tighten the screws to 4 N.m (35 lb in).
- Install the left sheet metal diagonal brace. Refer to Front End Sheet Metal Diagonal Brace Replacement .
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
- If a new ECM is being installed, program the EEPROM. Refer to Control Module References .
NOTE:
Refer to Fastener Notice
.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
