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.
With GST
- Check the coolant level in the reservoir tank and radiator.
Allow engine to cool before checking coolant level.
If the coolant level in the reservoir tank and/or radiator is below the proper range, skip the following steps and go to DIAGNOSTIC PROCEDURE .
- Confirm whether customer filled the coolant or not. If customer filled the coolant, skip the following steps and go to DIAGNOSTIC PROCEDURE .
- Start engine.
Be careful not to overheat engine.
- Set temperature control lever to full cold position.
- Turn air conditioner switch ON.
- Turn blower fan switch ON.
- Run engine at idle for a few minutes with air conditioner operating.
Be careful not to overheat engine.
- Make sure that cooling fan operates at low speed. If NG, go to DIAGNOSTIC PROCEDURE . If OK, go to the following step.
- Turn ignition switch OFF.
- Turn air conditioner switch and blower fan switch OFF.
- Disconnect engine coolant temperature sensor harness connector.
- Connect 150ohm resistor to engine coolant temperature sensor harness connector.
- Restart engine and make sure that cooling fan operates at higher speed than low speed. Be careful not to overheat engine.
- If NG, go to DIAGNOSTIC PROCEDURE .
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
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