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Old 29-09-2016   #1
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Clutch pedal and switch

Hello, I'm very new to this forum so apologise if this question has already been asked. I have searched the forum but couldn't find the answer.

I have a 2011 fiat 500 twinair with 36k miles on the clock. The stop/start is no longer working so I thought I'll have a look around the clutch pedal. I can see that there is some sort of sensor switch which is attached by the side of the clutch pedal. There appears to be another mechanism connected to the switch and I think this should be connected to the clutch pedal. However this mechanism is loose and is not fixed to the clutch pedal at all. It moves around freely and does not operate the switch when the pedal is pressed or released.

My questions are, is this the reason the start/stop is not working? How can I fix this? And does anyone have any schematic diagrams of the clutch pedal assembly so I can see how it all fits together.

Thank you for reading my post and for any help you may be able to give.
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Old 29-09-2016   #2
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Re: Clutch pedal and switch

Quote Originally Posted by Frowsen View Post
Hello, I'm very new to this forum so apologise if this question has already been asked. I have searched the forum but couldn't find the answer.

I have a 2011 fiat 500 twinair with 36k miles on the clock. The stop/start is no longer working so I thought I'll have a look around the clutch pedal. I can see that there is some sort of sensor switch which is attached by the side of the clutch pedal. There appears to be another mechanism connected to the switch and I think this should be connected to the clutch pedal. However this mechanism is loose and is not fixed to the clutch pedal at all. It moves around freely and does not operate the switch when the pedal is pressed or released.

My questions are, is this the reason the start/stop is not working? How can I fix this? And does anyone have any schematic diagrams of the clutch pedal assembly so I can see how it all fits together.

Thank you for reading my post and for any help you may be able to give.
Before delving into that Id check the battery is ok That's what I found was wrong when my start stop stopped working , Regards Ian
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Old 30-09-2016   #3
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Re: Clutch pedal and switch

Battery is not cheap;
http://www.eurocarparts.com/ecp/c/Fi...babb8fb&000020

Use code "SAVEME" to save 31% expires midnight tonight makes it a reasonable 86 you can click and collect and pick up Sat but pay online
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Last edited by John202020; 30-09-2016 at 05:36.
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Old 30-09-2016   #4
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Re: Clutch pedal and switch

Thanks for the advice but the battery is new, only two months old. I've had it checked and report comes back as 100%.

There is definitely a problem by the clutch pedal. I can see that there is something loose which should be connected to the clutch pedal and to the switch. This part has come away from the pedal and I don't know how it should go back on. It is possible that the part has broken away from the clutch pedal.
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Old 30-09-2016   #5
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Re: Clutch pedal and switch

Quote Originally Posted by Frowsen View Post
Hello, I'm very new to this forum so apologise if this question has already been asked. I have searched the forum but couldn't find the answer.

I have a 2011 fiat 500 twinair with 36k miles on the clock. The stop/start is no longer working so I thought I'll have a look around the clutch pedal. I can see that there is some sort of sensor switch which is attached by the side of the clutch pedal. There appears to be another mechanism connected to the switch and I think this should be connected to the clutch pedal. However this mechanism is loose and is not fixed to the clutch pedal at all. It moves around freely and does not operate the switch when the pedal is pressed or released.

My questions are, is this the reason the start/stop is not working? How can I fix this? And does anyone have any schematic diagrams of the clutch pedal assembly so I can see how it all fits together.

Thank you for reading my post and for any help you may be able to give.
Hello Frowsen,

It's quite possible that if your clutch switch is faulty/broken, it may well be the cause of the S/S problems.

https://www.fiatforum.com/panda-iii/...ch-switch.html

The thread above is for our old 12 plate 1.2 Panda (so the same car more or less), basically part of the switch broke off and was repaired under warranty. Whilst it was waiting to be repaired, it did knock out the gearshift indicators and affected the way the engine behaved, so I can imagine the S/S system could also be affected if the circuit is broken.

Unfortunately the 1.2 in the current Panda doesn't have S/S, otherwise I would probably have had first hand experience of whether it caused S/S to stop working or not

Is the component you're looking at a pink/purple shade? If so then it is the same bit that broke off of our Panda.

As for a diagram, I remember looking on the SG Petch website (they are a Fiat dealer). Does this look familiar to you?

http://www.sgpetchparts.co.uk/fiat/p...tch-13479.html

Hopefully this is of some assistance
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Old 30-09-2016   #6
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Re: Clutch pedal and switch

Hi,

Thanks for your reply. The actual switch is intact and attached to the pedal mechanism. It does have a purple coloured part and looks like the item on the sg petch web site. There is another part which fits into the purple bit of the switch and which appears to also connect to the pedal in some way. It's is this part that seems to be broken or worked loose from the pedal. I need to know if it is actually broken or has come loose so I can either replace it or position it back in. This part is just wobbling about and is not operating the switch when the clutch pedal is pressed. I have positioned it out of the way at the moment so it doesn't get in the way when I press the pedal. I can also say that the gear change indicator is also now not working and I believe it is all linked.

Does anyone know where I might be able to download and view any schematic diagrams of the clutch pedal assembly. From this I should be able work out how it all fits together. Or can someone post a picture of their clutch pedal assembly? I will post a picture of my pedal and the suspected broken part tomorrow.

Thanks again for reading my post and for any help you can give me.

Regards,
Babs.
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Old 02-10-2016   #7
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Re: Clutch pedal and switch

Quote Originally Posted by Frowsen View Post
The stop/start is no longer working ...........
Can I ask a very basic question?
What - specifically - isn't working?

Is the engine stopping for the full three minutes?
If so, the battery is fine.
If not, the battery is rubbish.

Is the engine stopping for the full three minutes, and then not re-starting when you depress the clutch?
If so, you have a clutch switch problem.

Need to know these, before we go any further.

Regards,
Mick.
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Old 02-10-2016   #8
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Quote Originally Posted by Frowsen View Post
Hi,

Thanks for your reply. The actual switch is intact and attached to the pedal mechanism. It does have a purple coloured part and looks like the item on the sg petch web site. There is another part which fits into the purple bit of the switch and which appears to also connect to the pedal in some way. It's is this part that seems to be broken or worked loose from the pedal. I need to know if it is actually broken or has come loose so I can either replace it or position it back in. This part is just wobbling about and is not operating the switch when the clutch pedal is pressed. I have positioned it out of the way at the moment so it doesn't get in the way when I press the pedal. I can also say that the gear change indicator is also now not working and I believe it is all linked.

Does anyone know where I might be able to download and view any schematic diagrams of the clutch pedal assembly. From this I should be able work out how it all fits together. Or can someone post a picture of their clutch pedal assembly? I will post a picture of my pedal and the suspected broken part tomorrow.

Thanks again for reading my post and for any help you can give me.

Regards,
Babs.
Thanks for the extra info. Unfortunately I won't have access to our 500 so can't take a picture. Hopefully someone else will be able to assist.

The fact you say that the shift indicators aren't working would suggest that the clutch switch is the cause to me (and quite probably why S/S isn't working). But as you say, you need to know if it is properly broken or just needs putting back in.

If you can upload pictures that will be very useful I'm sure.
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Old 02-10-2016   #9
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Re: Clutch pedal and switch

Hi Mick,

Thanks for taking the time to reply. The stop start isn't working at all, i.e when the car stops and I put the gear into neutral and lift the clutch, the engine doesn't stop running. I have not pressed the button to disable the stop start.

Occasionally when I'm driving, the stop start disabled light and the orange triangle light with the ! light both turn on. A message saying start stop unavailable also appears. When I turn the engine off and back on both lights disappear.

From looking at the pedal assembly there appears to some mechanism attached to the clutch pedal which should in turn operate the clutch switch when the clutch is pressed and depressed. It is this mechanism that is loose and so is not operating the switch.

Hope this makes sense. I tried to take pictures but they are too dark. I will take more pictures with some better lighting.

Thanks again for your advice.

Regards,
Babs.
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Old 03-10-2016   #10
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Re: Clutch pedal and switch

Hi Babs,
The S/S should work even if you DON"T depress the clutch.

Try rolling along and taking the car out of gear without touching the clutch, then brake and stop. Normally, the S/S will stop the engine. It has nothing to do with the clutch for the Stop Phase.

The clutch switch re-starts the car when you depress it.
Another method of restarting, is moving forwards when in neutral. i.e. no clutch operation.

If your car won't stop and restart without the clutch, it cannot be the clutch switch.

Hope that helps,
Mick.
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Old 03-10-2016   #11
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Re: Clutch pedal and switch

Quote Originally Posted by Mick F View Post
Hi Babs,
The S/S should work even if you DON"T depress the clutch.

Try rolling along and taking the car out of gear without touching the clutch, then brake and stop. Normally, the S/S will stop the engine. It has nothing to do with the clutch for the Stop Phase.

The clutch switch re-starts the car when you depress it.
Another method of restarting, is moving forwards when in neutral. i.e. no clutch operation.

If your car won't stop and restart without the clutch, it cannot be the clutch switch.

Hope that helps,
Mick.
Lets get back to basics, If there is something broken or loose on the pedal / switch assembly that needs to be sorted first.


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Old 03-10-2016   #12
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Re: Clutch pedal and switch

Quote Originally Posted by g8rpi View Post
Lets get back to basics, If there is something broken or loose on the pedal / switch assembly that needs to be sorted first.


Robert G8RPI.
I quite agree with you.

There is something wrong with the clutch switch and that needs fixing first. Whether or not it is the actual cause of the S/S problems remains to be seen (I couldn't say either way for certain), but it will almost certainly be the cause of the shift indicators not working as that is precisely what happened to our old Panda.

@Frowsen - aside from the clutch switch, you say about the S/S warning light coming on every now and then when you are driving (and going out when you restart). It may be worth your while getting a code reader and plugging in to see if there are any faults stored, or taking it to a garage you trust who can do it for you.
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Old 03-10-2016   #13
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Re: Clutch pedal and switch

Quote Originally Posted by g8rpi View Post
Lets get back to basics, If there is something broken or loose on the pedal / switch assembly that needs to be sorted first.
Yes.
I quite agree with you.
I'll wind my neck in.

Just thinking though ..............................

I wonder if the clutch switch is a "break" switch when you depress the clutch instead of a "make" switch.

When you depress the clutch, the switch breaks ie goes open circuit.
Therefore, if the switch is physically broken, the S/S system could consider the clutch depressed, and therefore the engine won't stop.

Also, if it's broken, it could be why the S/S warning comes on from time to time. ie the switch is intermittent.

Thanks for letting me ramble.
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Old 03-10-2016   #14
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Re: Clutch pedal and switch

Quote Originally Posted by Mick F View Post
Yes.
I quite agree with you.
I'll wind my neck in.

Just thinking though ..............................

I wonder if the clutch switch is a "break" switch when you depress the clutch instead of a "make" switch.

When you depress the clutch, the switch breaks ie goes open circuit.
Therefore, if the switch is physically broken, the S/S system could consider the clutch depressed, and therefore the engine won't stop.

Also, if it's broken, it could be why the S/S warning comes on from time to time. ie the switch is intermittent.

Thanks for letting me ramble.
Mick.

I agree on the switch position issue, broken it may say clutch down/out, but don't know enough about the system to be sure.


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Old 04-10-2016   #15
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Re: Clutch pedal and switch

Hi again,

Thanks to everyone for reading my posts and replying. There is definitely something that is broken by the clutch pedal. The broken part is what operates the switch when the pedal is pressed. I took the car to a fiat specialist today and he managed to get the broken part out. It would appear that this part should be attached to some sort of shaft by the clutch pedal. It is connect by a weld that has failed. The mechanic said he will need to check with fiat and see what is needed to fix it. I'm hoping I'm not going to need an entire new clutch pedal assembly. He said the the switch itself is ok. I will let you all know how it goes when I hear back from the mechanic.

Regards,
Babs.
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