Bolt
Viper Owner
Da%! Look what I did. I guess I put it in to deep. Now what do I do? How do I now how far in to mount this sensor?
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How to set the cam position sensor depth??
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grcforce327
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Get a peel and stick spacer from the parts dept.,make sure the end of the sensor is clean and flat.Stick spacer on the end,gently install sensor until you feel it make contact,make a mark on the housing.Pull sensor back out and remove the spacer,then install to the depth of your mark.Not sure of the thickness,but I'm sure Chuck can chime in.We have used other material that was close to the same thickness on crank sensors that bolt to the trans on chryslers.The difference being is that you don't have to remove the spacer on them, like you do on the cam sensor.
dave6666
Enthusiast
Do you have a manual? Pretty comprehensive info there. If you don't have a manual, PM me with your email and I'll scan you the pages from my '01 book.
Bolt
Viper Owner
I got it. Thank you for the help. That worked great. I have the manual somewhere. I'd rather talk to you guys. So far it's running great. Thicknes of the paper was about .020 inch.
Chuck did call me and he is as always a great help. But you all know that.
I feel stupid doing this but what ever!
Chuck did call me and he is as always a great help. But you all know that.
I feel stupid doing this but what ever!
RedSrt007
Enthusiast
not to bring this back up....but is it possible to have the sensor TOO far away, and if so, what would be the symptoms...??
Thanks
-Red
Thanks
-Red
Bob D
Enthusiast
One thing that was omitted is that when the depth is checked make sure the raised portion of the sprocket is under the sensor or it will look like the one in the photo.
RedSrt007
Enthusiast
I made sure I was on the "High Point" of the sprocket, but I did not want to put the sensor too close...how would I know if its too far away...?
RedSrt007
Enthusiast
anyone? 
It's pretty easy, but as stated above MAKE 100% sure you are not in the notched section of the sprocket. It was super easy for me because I had the motor out of the car and made sure when the cam went in that the raised portion of the sprocket was aligned with the sensor hole. Anyway once you are certain of this, just push the new sensor into position without any crazy pressure and tighten. The new sensor should have a raised line across it. That line when in contact with the sprocket provides the proper clearance. When you fire the engine that line will get lightly clearanced by the sprocket.
I used my old sensor which was still working fine, but lacked the raised edge which provides the proper clearance. The trick here is to slide it in untill it touches the sprocket, but then back it off just a hair and tighten.
I used my old sensor which was still working fine, but lacked the raised edge which provides the proper clearance. The trick here is to slide it in untill it touches the sprocket, but then back it off just a hair and tighten.
RedSrt007
Enthusiast
Got it..thanks. I used a mirror, and cranked the crank until I noticed the raised section of the timing gear. Threw the new sensor in with about .10-.20 gap. Thanks...
-Red
-Red
viperrt96
Enthusiast
I would say it wouldn't run at all or if it did run it would be very rough.
The cam and crank sensor together creates a Hall effect (up and down squares) that the ECM can read and it in turn energizes the coils. One won't work very well without the other. The correct space will give the best signal as too close will result in the above or too far will be a weak signal. Kind of hard to explain but if you could see it on a scope (Oscilloscope) you would understand it better.
I think my new sensor came with the little stick on spacer (paper).
I should have both a coil pack and crank sensor trace that I took off of my 97. Take a look at my gallery (pictures). It is interesting.
Viperrod
Enthusiast
dave6666
Enthusiast
It went bad more than likely.
TorontoACR
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That is a strange looking cam sensor. usually they have a gear that connects to the cam gear. I dont see any gears. How do you connect it and where exactly does it go. Anybody have some pictures
a gear that connects to the cam gear?
what vehicles have you worked on like this?
Ive only ever swapped a Cam&Crank Sensor on a viper and a dakota and they both are the magnetic type in the above pic. They Magnetically detect the rotation of the shaft.
what vehicles have you worked on like this?
Ive only ever swapped a Cam&Crank Sensor on a viper and a dakota and they both are the magnetic type in the above pic. They Magnetically detect the rotation of the shaft.
TorontoACR
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The ones I worked on were on a grandnational V6 Turbo. The hall effect only activated as the cam turned it connected by gear. Can anyone explain how this works and detailed installation instructions as I will need to do some work over the winter. Much appreciated
dave6666
Enthusiast
I would start with a factory service manual for your car.
Sweet Ride
Enthusiast
That's a pretty standard automotive cam sensor.
You set the cam position sensor on the Low step, not the High step. The sensor is supposed to be set up against the high step and then tightened in place, simple as it sounds.
Get a peel and stick spacer from the parts dept.,make sure the end of the sensor is clean and flat.Stick spacer on the end,gently install sensor until you feel it make contact,make a mark on the housing.Pull sensor back out and remove the spacer,then install to the depth of your mark.Not sure of the thickness,but I'm sure Chuck can chime in.We have used other material that was close to the same thickness on crank sensors that bolt to the trans on chryslers.The difference being is that you don't have to remove the spacer on them, like you do on the cam sensor.
You are not supposed to use those stickers on Vipers. The Cam sensor itself has a little ridge on the end for the correct spacing.
There is a high and low "ridge" on the front of the cam gear. As the gear turns, the sensor can tell if it is high or low based on the hall effect from the "ridge" being within range of the sensor face [High] or being too far away [low] It is very easy to set up, just push the sensor against the high face and tighten it down.
TorontoACR
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Sorry for asking a stupid question but what do you mean by low step and high step. Does piston #1 have to be at top dead center or something like that before you install the sensor. Again sorry if it sounds stupid but this is different than what i was used to in a grand national a few years ago
dave6666
Enthusiast
Buy a service manual!
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TorontoACR
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I will get a service manual. But in case I mis-interpret it can you tell me about whether piston#1 needs to be at top dead center or does that not matter.
It has more to do with the price of tea in China actually.
Since the Cam rotates 1/2 of the crank revolution, it would be possible to have Cyl. 1 TDC on both faces.
Morasi
Enthusiast
My apologies for bringing this up from the dead but i refently tried replacing my cam sensor in my 01 coupe. The parts guy at one of the viper specialty stores said the ram trucks had the same sensor so they sent me this black one instead. It cane with a paper dot on the tip of the sensor. I placed it against the raiser edge if the cam and it seem to have clipped it a bit. Anyone have anymore detailed install instructions so i dont blow another 130 bucks on a sensor?
Thanks for you patience and time.
Thanks for you patience and time.
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Morasi
Enthusiast
Lol backed it out to where it barely clicked in and it fired right up. Problem solved
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