SOURCE: Car wont start, makes a clicking sound under the hood
When you turn the ignition key to the start position you apply 12 volts to the solenoid. The solenoid is a relay switch that closes when you turn the key to the start position. When it closes It applies 12 volts to the starter motor.The starter motor draws a lot of electrical current, (so much so that they could not run that current thru the ignition switch, so they use the solenoid) What you hear clicking is the solenoid closing, or trying to close.I assume that "*****clicking" as you define it is a chatter rather then one click.
Possible causes: A low battery voltage. Has the battery been replaced in the last few
years few years. Try charging over night and see what happens
Bad connections on the battery terminals. Check for any white powder on and around the battery terminal. Use baking soda and water to clean the terminals (it'll fizz) then clean theem with a terminal brush. You can get one at any auto store
Bad connection on the starter solenoid
If it a manual shift, there is usually a kill switch somewhere on the shift mechanism
that prevents the starter from working if the car is in gear and the clutch is out
In automatic shifter the kill switch is in the shift selector mechanism so you can't start the car unless you are in park.
Hope this helps Lood luck Loringh
SOURCE: 2001 300m overheating problem.
When the vehicle overheats, do u check the water/coolant level in the radiator? If it has reduced, it means ur leaking and u should inpsect to c where the leak is coming from. If the level has remained the same, probably ports are blocked or something to that effect. Keep me posted though
SOURCE: Car wont start, makes a clicking sound under the hood
Nissan: Is the clicking sound loud like a solenoid or mild like a relay? Use a test light to see if your getting juice to the solenoid. Also might want to check for juice in and out of the clutch switch while your at it.
Truck: Check for juice at the starter. If the new solenoid is clicking, it's probably working, so the next thing to check is for juice at the starter. If yes, then disconnect the battery and drop the starter and have it tested. If it's not the starter, pull the spark plugs out and try turning the engine by hand with a braker bar and socket on the harmonic balancer. Is there any reason to suspect that the enging might be siezed up?
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