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Old 02-06-2010, 11:58 PM   #1
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How do you adjust the Clutch Safety Switch

I took my Clutch pedal assembly out and replaced it today. The car wont start now unless I reach down and press the clutch safety switch as far as it will go with my hand. When I push the clutch all the way to the floor it only presses the plunger on the clutch safety switch about half way. I think this switch can be adjusted or re-calibrated, but I cant figure out how to do it. The plunger moves freely, but will not allow the car to start unless it is pushed all the way in. I saw a post that said that I can just put a wire in as a jumper and the car will start, but I would like to fix it if possible.
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Old 02-07-2010, 10:06 AM   #2
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Problem solved!

So I took another shot at this today with much better results. It turns out I was not pulling on the plunger hard enough. I took the switch out this morning and fiddled with it some more. At one point I was pushing the plunger all the way in and I heard a "click". Next I extended the plunger as far as it would go, another "click". At this point the plunger was extended much farther that it was yesterday. You will know that it is fully extended because there is a saw tooth pattern gear like thing all the way at the end of the plunger, and you will not be able to see it until the plunger is all the way extended (I don't remember ever seeing it yesterday).

I reinstalled the switch in the clutch pedal assembly, turned the car to the "on" position. pressed the clutch all the way in with my foot (heard another "click") and started the car.

I can't explain why this took two min this morning and I couldn't fix it for hours last night, and I don't really care t this point. As long as the car is working properly I am happy.

I figured I would update this thread with the answer so if anyone searches, like I did before posting, they will find the answer.
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Old 02-07-2010, 11:30 AM   #3
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When the pedal is installed at the factory the switch plunger is pulled all the way out, as you described. When the car reaches the end of the assembly line, ready to roll off to the chassis dyno, the key is turned on and the pedal pushed, the PCM immediately resets the clutch pedal position setting.


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Originally Posted by Solidtrance View Post
So I took another shot at this today with much better results. It turns out I was not pulling on the plunger hard enough. I took the switch out this morning and fiddled with it some more. At one point I was pushing the plunger all the way in and I heard a "click". Next I extended the plunger as far as it would go, another "click". At this point the plunger was extended much farther that it was yesterday. You will know that it is fully extended because there is a saw tooth pattern gear like thing all the way at the end of the plunger, and you will not be able to see it until the plunger is all the way extended (I don't remember ever seeing it yesterday).

I reinstalled the switch in the clutch pedal assembly, turned the car to the "on" position. pressed the clutch all the way in with my foot (heard another "click") and started the car.

I can't explain why this took two min this morning and I couldn't fix it for hours last night, and I don't really care t this point. As long as the car is working properly I am happy.

I figured I would update this thread with the answer so if anyone searches, like I did before posting, they will find the answer.
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Old 12-17-2012, 07:01 AM   #4
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Quote:
Originally Posted by Charles R. Hill View Post
When the pedal is installed at the factory the switch plunger is pulled all the way out, as you described. When the car reaches the end of the assembly line, ready to roll off to the chassis dyno, the key is turned on and the pedal pushed, the PCM immediately resets the clutch pedal position setting.
So how do I get the car to recognize the new position?
I've just taken out the clutch pedal to install the Racing Roots reinforcement bracket, now pedal is reinstalled but like the OP, I can't start the car unless I press the switch by hand.
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Old 12-17-2012, 10:24 AM   #5
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Since I do not know what happens during the installation and use of the Race Roots product in-question, I am not qualified to answer with authority.
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Old 12-17-2012, 12:42 PM   #6
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All you have to do it take the switch off and pull on the plunger REALLY hard(you'll think it's going to break but it won't) and then it will pop out to the fully extended position and then you can reinstall and everything should work fine.

This is caused by you either pushing the plunger in by hand while the assembly was out or actuating the pedal with the assembly out of the car.
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Old 12-19-2012, 05:40 AM   #7
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Thanks, y'all! This worked for me!

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Originally Posted by roflcopter View Post
All you have to do it take the switch off and pull on the plunger REALLY hard(you'll think it's going to break but it won't) and then it will pop out to the fully extended position and then you can reinstall and everything should work fine.

This is caused by you either pushing the plunger in by hand while the assembly was out or actuating the pedal with the assembly out of the car.
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Old 12-19-2012, 05:40 AM
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