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The starter motor is making a rapid clicking noise on turning the ignition key and not turning the engine over.

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Your battery needs charged. If that doesn't do it your starter solenoid is bad and will need to be replaced.

Posted on Feb 04, 2011

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Why does my 2001 Pontiac Aztek crank but not start?


If you have a security light on your vehicle will not crank over !
The vehicle theft deterrent (VTD) system functions are provided by the theft deterrent control module. The VTD system prevents vehicle operation if a valid (learned) transponder PASS-Key?®III (PK3) ignition key is not used to start the vehicle. The theft deterrent control module has an exciter that is part of the theft deterrent control module as an assembly. The PK3 key has a transponder embedded in the plastic head of the key. The exciter is an antenna which is made up of wire coils which surround the ignition lock cylinder. The PCM enables the engines starter and fuel delivery system when it receives a valid (learned) password from the theft deterrent control module via the class 2 serial data circuit.
You need to take it to the dealer !
You

Apr 11, 2015 | Pontiac Cars & Trucks

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Rapid clicking noise when trying to start the engine?


Hi There,

You turn the key to start your engine and....
a series of rapid clicks. Your car won't start. What's going on?

That clicking noise is your starter solenoid.

Your starter needs a lot of power to turn your engine. That much power would melt your ignition switch in no time if it passed directly through it. So what happens instead is your ignition switch actuates another electric switch called a solenoid. The solenoid is a really HEAVY DUTY switch.

Inside it are two copper contacts that look like the head of a bolt only rounded. The battery is attached to one, the starter to the other. Hovering above them on a spring is a copper clad disk attached to an iron core. The iron core is inside an electro-magnet.

When you turn your key (in a perfect world), an electromagnet is activated that yanks the disk towards the contacts (Making a single decisive healthy CLICK). When they connect, the circuit is closed and the starter turns over. OK.

When things go wrong:

Low Battery:
  • The solenoid requires power to actuate.
  • The starter takes a lot more power to turn the engine.
  • When the battery is low, there isn't enough power to do both.
  • You turn the key, solenoid engages (CLICK)
  • Power goes to the starter
  • The starter tries to turn the engine
  • The draw from the starter drops the available power below the minimum needed to keep the solenoid engaged.
  • The solenoid disengages
  • The starter is no longer drawing power
  • The additional power allows the solenoid to re-engage (Click)
  • Repeat the process for as long as you have the key turned. (CLICKCLICKCLICKCLICK)
That's where those clicks are coming from and why.

The remedy:
Short term - Jump start
Long term - Charge or replace battery.


I wanted to explain what was happening rather than just saying 'dead battery, replace it'. That way you can judge for yourself whats going on.

Best regards
Mike

on Apr 20, 2010 | Ford F-100 Cars & Trucks

1 Answer

Bmw m3 1995 clicking noise when i turn on my motor does that mean the engine is bad?


What kind of clicking?

If it's a rapid, multiple clicking (like a machine gun), it's USUALLY a low battery, or a bad connection.

A single click for each turn of the key to the START position is USUALLY a bad starter relay or solenoid.

Apr 28, 2014 | 1995 BMW M3

1 Answer

Tried to start car and it was starting to crank over then started getting this clicking noise. thought it was the battery connection, I cleaned the cables and posts and still got clicking noise when...


celunoid ?? SOLENOID ! Could be starter , test ! VOLTAGE DROP TESTING .

Starter Voltage Drop

What size engine ???
Starter Motor, 4.6L C1020
Lower right side of engine
Starter Motor, 5.4L C1020
Lower right side of engine


Starter Motor Relay, 4.6L C166
Right rear of engine compartment
C167
Right rear of engine compartment
Starter Motor Relay, 5.4L C166
Right rear of engine compartment
C167
Right rear of engine compartment

Jun 23, 2017 | 1999 Lincoln Navigator

1 Answer

Starter


A rapid clicking noise when you turn the key would be the starter solenoid trying to engage. The most common cause of this problem is a weak battery. Make sure your battery is fully charged, then try to start it. If this works get your charging system checked out first. Get a "load test" done on the battery. It may be starting to go. Also the alternator should be putting out 14.2-14.5V when the engine is running. If it's lower, the alternator is starting to wear out and needs to be overhauled. Make sure your battery cables are tight and the terminals are free of corrosion (green gunk).

If you need to go further, you only have to follow the positive (red) cable from the battery. It will go directly to the starter solenoid, which is on top of the starter. Hope this helps.

Nov 29, 2011 | 1997 Pontiac Bonneville

1 Answer

My 2003 mercury sable will not start. it is not the battery. it makes a weird click click noise when key is turned in ignition. what could this be?


If you are sure it is not the battery then it has to be the starter. If it makes just one click when you turn the key then the noise you are hearing is the starter solenoid. This means the starter gear is engaging with the flywheel but the motor is no longer working and is not turning the engine over. I hope this helps!

Oct 06, 2010 | 2003 Mercury Sable

1 Answer

Battery is fine, starter is fine, have ignition but when i turn key switch all i get is a click click sound and the truck is not starting.


Make sure all the contacts on your battery tight are clean. Make sure your earth connector to the engine block and/or chassis is good. Check the cable that goes to your starter mother is clean and tight. I had a similar problem to this with my car a while back. I called the auto club (NRMA) out to help thinking my battery was dead. He got the ignition key and went, start off start off start off start off in rapid succession and then held it on start and the engine cranked over and started. The problem was with the contacts on the starter motor solenoid. Each time you start over the years a little spark jumps across the contacts and makes a little bit of corrosion on the surfases. I think the on off think burns a little clean patch but it is only temporary. I had my starter motor reconditioned and now it works like new again. My car is 89 model so it is about the same age as yours.



Jul 23, 2009 | 1990 Chevrolet K1500

1 Answer

Engine will not turn over, makes a clicking or rapid clicking sound


you are correct it is the starter the clicking you hear is the bedix wheel which spins the flywhell to crank the engine. replace the starter and this will solve the problem

Apr 18, 2009 | Ford Escape Cars & Trucks

1 Answer

Starter clicks rapidly, not cranking, no ignition


It almost sounds like you have a loose connection at the battery. If the connection is loose it can cause the starter to click as you have described. Also it could be the starter itself. If the starter is bad (locked up) it can make the clicking noise and not start the engine. If you can get to the starter, try to tap on it with a hammer while someone is trying to start the engine. I hope this helps.

Jan 03, 2009 | 2004 Pontiac Grand Prix

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