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 MANUALSCHEVROLET2005OPTRA (CANADA) L4-2.0LREPAIR AND DIAGNOSISSTARTING AND CHARGINGPOWER AND GROUND DISTRIBUTIONMICRO ISO RELAYSERVICE AND REPAIR
2005 Chevrolet Optra (CANADA) L4-2.0L
Micro ISO Relay: Service and Repair
2005 Chevrolet Optra (CANADA) L4-2.0LSECTION Service and Repair
Relay Replacement (Within an Electrical Center)
Special Tools
J 43244 Relay Puller Pliers
Removal Procedure
1. Remove the electrical center cover.
2. Locate the relay. Refer to Electrical Center Identification Views Locations to locate the electrical center where the relay exists.
Important:
* Always note the orientation of the relay.
* If equipped with a notch style relay; observe the location of the notch on the old relay to verify the new relay is installed with the notch in the same location.
* Ensure that the electrical center is secure, as not to put added stress on the wires or terminals.
3. Using the J 43244 (1) position the tool on opposing corners of the relay (2).
Notice:
Use J43244 to pull the relay straight out from the electrical center terminals. The use of pliers or a flat bladed tool could damage the electrical center.
4. Remove the relay (2) from the electrical center.
Installation Procedure
1. Install the relay (2) in the same position as removed.
2. Install the electrical center cover.
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.