Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Crank-sensor - teeth?

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Old Jan 16, 2009 | 04:00 AM
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Patriq Backlund's Avatar
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Default Crank-sensor - teeth?

1. I'm Megasquirting my -96 855. I'm going over the schematics. It runs Fenix 5.2
It seems there is only a cam sensor - but no crank sensor. Can that be ?

I'm finding a unit called Pulse sensor (7/25) - but I don't think it is a crank sensor.

Does anyone know ?

2. If there is only a cam-sensor. Does anyone know how many teeth/any missing - and where TDC is in relation to missing tooth/teeth ?

3. If there is a crank sensor - same thing: How many teeth/missing - and where is TDC in relation to them ?
 
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Old Jan 16, 2009 | 06:55 AM
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Default RE: Crank-sensor - teeth?

The closest I found is the pulse sensor, as you have described.

Guys, is there a crank position sensor on 850s?


JPN

[IMG]local://upfiles/6892/FD6A08B0396D420DA450B595686E0A71.jpg[/IMG]

[IMG]local://upfiles/6892/0F922B4C14FA4A0CBF2C060407A4BB8D.jpg[/IMG]
 
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Old Jan 16, 2009 | 07:24 AM
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Default RE: Crank-sensor - teeth?

Yes that is the Crank sensor JPN.

Not sure on the Teeth part of it. I know there is squares cut into the ridge on the flywheel. There is one section that has nothing. That is how it knows TDC as car as I know. I have never paid attention to where the flywheel when it was set on TDC.
 
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Old Jan 16, 2009 | 09:04 AM
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Default RE: Crank-sensor - teeth?

Thanks guys !

So the speedo-sensor and crank sensor is the same !?

Since I'm using it both for ignition and injection timing - I just have to find out about number of teeth and position now.

It is a VR-sensor, right ?
 
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Old Jan 16, 2009 | 09:07 AM
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Default RE: Crank-sensor - teeth?

I would see if you can find a used 850 flywheel to look at so you have an understanding of it and what it looks like.
 
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Old Jan 16, 2009 | 09:21 AM
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Default RE: Crank-sensor - teeth?

Great, thanks Tech!


JPN
 
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Old Jan 16, 2009 | 09:34 AM
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Default RE: Crank-sensor - teeth?

I'll see what I can dig out.

'Tech' - do you know if the sensor is a VR-sensor or a Hall-type ?
I'd guess VR, but you never know.
 
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Old Jan 16, 2009 | 09:38 AM
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Default RE: Crank-sensor - teeth?

I think it is a VR type but not 100% sure.
 
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