Cam sensor magnet
03-22-2006, 07:59 PM
#1
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Cam sensor magnet
How is a cam position sensor magnet held in place? Should I have some JB weld handy when I go in there? Can it be replaced through the cam sensor hole?
03-23-2006, 02:21 PM
#5
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Here, this thread addresses replacing the cam sensor on a '92 SSEi:
Cam Sensor Replace
Here'* Bill Buttermore'* info with link:
The cam sensor is bolted into the timing cover under the water pump and on top of the crank pulley with one 10mm (head) bolt. In the pic below the sensor is at 11:00 O'Clock above the biggest pulley. It sits in a one-inch hole and is sealed with an o-ring. It picks up a signal from an interrupter magnet that snaps into a hole in the camshaft gear. The code 41 can be set if the electrical connection is bad (try this first), if the pickup is bad ($20, try this next) or the magnet has been thrown (more work). The book you need to buy will tell you to remove the timing cover to replace the magnet, and this is probably the most reliable fix. But BC member, Padgett found a way to change out the magnet without removing the timing cover. http://6007.us/cammag.htm
Hope this helps! 
Cam Sensor Replace
Here'* Bill Buttermore'* info with link:
Originally Posted by bill buttermore
Originally Posted by pdqSSEi
i checked for codes on my 92 (because the light cam on after ******* the engine for a few miles). and i got this code, but i don't know what to do about it since i haven't got a manual yet. Was wondering if anyone knew the fix off hand.
03-23-2006, 02:50 PM
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Re: Cam sensor magnet
Originally Posted by J Wikoff
Should I have some JB weld handy when I go in there? Can it be replaced through the cam sensor hole?
http://6007.us/cammag.htm
Padgett'* info worked for me.
04-21-2008, 11:26 AM
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Position Cam Sensor - Just did one
Just finished replacing a cam position sensor on my '92 Bonneville. Yes, I had just had a new water pump put on and started getting service engine lights. Knowing that everytime I let someone work on my cars they mess up something else, I looked to see what wires were near the water pump. Reaching down on the left side of the pump I could feel a connector plugged in. I disconnected it and inspected it. One pin had corrosion on it and it was wet inside. I dried the connector, cleaned it will PB Blaster and hooked it back up. No luck. The engine still ran poorly. I pulled the codes by shorting the A and B pins in the connector hanging under the dash and got a whole list of numbers. I disconnected the battery for a few minutes and reset the codes. I drove the car, (which ran rough, almost stalled a few times, etc) until the service engine light came back on. This time when I pulled the codes I only had a 41. I bought a new Cam Switch Sensor.($21) On the '92 all you need do is reach down on the left side of the water pump and locate the connector. The sensor mount is an eliptical shape with connector at one end and a 10MM hex head at the smaller end. The larger end contains the connector and the sensor which fits into a hole in the timing chain cover. The bolt can easily be removed without removing anything else or jacking up the car. Simply unplug the connector, remove the bolt, remove the one piece mount and sensor. Position the new sensor in the hole in the timing chain cover and reinstall the bolt.
I reset the codes again, drove the car and all is well. So if you ever change a water pump and you unplug the cam switch sensor, make sure to dry it out before you plug it back in, unlike my lazy mechanic.
I reset the codes again, drove the car and all is well. So if you ever change a water pump and you unplug the cam switch sensor, make sure to dry it out before you plug it back in, unlike my lazy mechanic.
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