* Weak battery: If your battery is weak, it may not have enough power to crank the engine over quickly enough. This can cause the starter to click or grind but not engage.
* Bad starter solenoid: The starter solenoid is responsible for engaging the starter motor with the flywheel. If the solenoid is bad, it may not be able to send enough power to the starter motor, causing it to click but not start.
* Damaged flywheel: The flywheel is the large gear that the starter motor engages with. If the flywheel is damaged, it may not be able to turn the engine over properly, causing the starter to click but not start.
* Faulty ignition switch: The ignition switch is responsible for sending power to the starter solenoid. If the ignition switch is faulty, it may not be able to send enough power to the solenoid, causing the starter to click but not start.
If you have ruled out a weak battery, bad starter solenoid, damaged flywheel, and faulty ignition switch, you may need to take your Malibu to a qualified mechanic for further diagnosis.
