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Texas944's Avatar
 
Join Date: May 2004
Location: Dallas, Texas
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Question Broken sensor housing

the housing that the two sensors sit in at the back of the engine has broken away - looks like one bolt fell out and it was too much for the other to hold - would this cause the engine to just quit and then start back up only when it felt like it?
Does anyone have one of these housings that I could buy, and how much?
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Brett, Dallas, Texas (Originally from Sydney, Australia)
1986 944, Zermatt Silver / Black Leather
1994 Full size Blazer, Midnight Blue
1989 IROC, Arrest-me-Red
1966 Corvette Roadster 427 4spd, Silver / Black

DRIVE THEM LIKE YOU JUST STOLE THEM!
Old 06-05-2004, 06:56 PM
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Yep, that would cause it. you should remove your sensors and make sure they are ok. They are the speed and reference sensors. One lets your DME know when TDC is achieved and the other counts the flywheel teeth to let DME know the RPMs of the engine. I have the bracket. $10 plus s/h. it's for a reg 944. not S2 or 924.
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*Disclaimer: The person above is actually dumber than he appears.
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'86 951
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Old 06-05-2004, 07:22 PM
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Todwic knows all about broken sensors.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
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Old 06-05-2004, 09:47 PM
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Quote:
Originally posted by SoCal Driver
Todwic knows all about broken sensors.
yep. learned it all the hardest way there is. I didn't even know there were sensors there when I changed out my flex plate. Wondered where all these spools of copper wire came from. I'll knock the price of the bracket down to $10 even, as long as it doesn't cost more than a couple bucks to ship.
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*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-06-2004, 10:03 AM
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Didn't know? Not that I didn't mention it to you a few times before you dug into the car.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 06-06-2004, 10:18 AM
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hehe, yeah, you did. Heed, I did not. cuss self, I did aplenty. Listen next time. Probably.
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*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-06-2004, 10:48 AM
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and I'll throw in instructions from the fact. manual on how to set your bracket so that the TDC pin doesn't sheer you TDC sensor off. Don't ask me how I know what happens if you set the bracket wrong. Just don't ask.
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*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-06-2004, 02:27 PM
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Not to high-jack your post but when I took these two sensors out one of them was not connected to anything. The one that is closer to the drivers side. What does it do and isn't it supposed to be plugged in????
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1987 944S
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Old 06-06-2004, 04:33 PM
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The one nearest the engine marks TDC by waiting for a metal pin to fly by that's attached to your flywheel. One nearest the driver marks RPMs by counting the teeth of your starter ring. I don't see how it ran w/o it being hooked up since you have to have 200 RPM to get the fuel pump to run.
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*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-06-2004, 04:53 PM
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Todwic - sounds like a hell of a deal - hook me up!
There is a third wire screwed into the bracket - what does it do?
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Brett, Dallas, Texas (Originally from Sydney, Australia)
1986 944, Zermatt Silver / Black Leather
1994 Full size Blazer, Midnight Blue
1989 IROC, Arrest-me-Red
1966 Corvette Roadster 427 4spd, Silver / Black

DRIVE THEM LIKE YOU JUST STOLE THEM!
Old 06-06-2004, 09:44 PM
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It makes you ask more questions. J/K man, it's prolly a ground. Mine didn't have a wire hooked to it. Prolly something your p/o did or my p/o didn't do.

Now to business: Send M.O. or Cash (no checks plz) to

Todd Seaman
9360 N. Blackstone spc 117
Fresno, CA 93720

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*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-06-2004, 10:55 PM
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Quote:
Originally posted by ronniebaldino
Not to high-jack your post but when I took these two sensors out one of them was not connected to anything. The one that is closer to the drivers side. What does it do and isn't it supposed to be plugged in????
The 'S' model, double overhead cams, uses only one sensor for both the speed and the reference.

The extra sensor on cars after 1985 is used for dealer diagnostics -- sometimes.

With an 'S' it's very important to keep tabs on the chain tensioner pad, chain and timing belt.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 06-07-2004, 09:40 AM
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Doing the timming belt once I put the clutch back in. I am going to look at the pads and chain then. Should I do the stuff on the head before or after the belts?

Thanks for the heads up on the other sensor. I was wondering what was going on with that thing??? Should I even put it back in? I guess it will plug the hole and that is better than nothing.
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Old 06-07-2004, 11:48 AM
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I had two ground wires running off the far passenger side of the bracket.

Hope that helps. Ground wires "should" be brown.
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1987 944S
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Old 06-07-2004, 11:53 AM
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The "extra" sensor can be left off. I don't thnk the dealer even use it any more. But then who can afford to take their car to a dealer!

I think that the bracket for the single sensor is different than the one for the two sensors. Then maybe not. Picture?
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 06-07-2004, 11:53 AM
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Send me your extra sensors. I seem to break about 5 a year.
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*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-07-2004, 04:28 PM
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On that note do I have to set the clearance after I take them out?? The bracket hasn't moved but the sensors are out. Do I just slide them in?
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1987 944S
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Old 06-08-2004, 05:19 AM
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As long as the bracket doesn't move, your good.
__________________
*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-08-2004, 06:54 AM
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Here's that gasleak I tried to post some time a go. 3/4" low pressure nat. gas. Right in the middle on a Naval Graduate School, in Montery.
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*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-08-2004, 07:30 AM
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Here's another:
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*Disclaimer: The person above is actually dumber than he appears.
my web site Torque values maintainance and repairs lots of my rebuild pics weights and measurements
'84 944 auto/ps/ac/cc
'86 951
Providing ignorance one post at a time.
Old 06-08-2004, 07:34 AM
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