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camshaft sensor replacement...location?

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Old 09-07-2009, 02:22 PM
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camshaft sensor replacement...location?

Trying to replace the camshaft replacement sensor - from what I hear it's not the easiest to replace but haven't found anything specific to my truck. Anyone able to provide more specific details such a where it is, degree of difficulty, would it need an allen wrench - size?

Thanks!

Vehicle: Dodge Ram 2500 Diesel - 2005
Old 09-07-2009, 03:09 PM
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SENSOR-CAMSHAFT POSITION
DESCRIPTION
The Camshaft Position Sensor (CMP) on the 5.9L diesel engine is located below the fuel injection pump. It is bolted to the back of the timing gear housing.
OPERATION
The diesel Camshaft Position Sensor (CMP) contains a hall effect device. A rotating target wheel (tonewheel) for the CMP is located on the camshaft gear.
This hall effect device detects notches located on the back side of the camshaft gear. As the camshaft gear rotates, the notches pass the tip of the CMP.
When the leading edge of the notch passes the tip of the CMP, the following occurs: The interruption of magnetic field causes the voltage to switch high
resulting in a signal of approximately 5 volts.
When the trailing edge of the notch passes the tip of the CMP, the following occurs: The change of the magnetic field causes the signal voltage to switch low to 0 volts.
The CMP (1) provides a signal to the Engine Control Module (ECM) at all times when the engine is running.
The ECM uses the CMP information primarily on engine start-up. Once the engine is running, the ECM uses the CMP as a backup sensor for engine speed.
The Crankshaft Position Sensor (CKP) is the primary engine speed indicator for the engine after the engine is running.

camshaft sensor replacement...location?-camsensor.jpg
Old 09-07-2009, 09:15 PM
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5mm allen
Old 09-08-2009, 02:15 AM
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It is not fun to get to.
Old 03-16-2020, 10:31 AM
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Crankshaft sensor

Originally Posted by dodge-dodge
Trying to replace the camshaft replacement sensor - from what I hear it's not the easiest to replace but haven't found anything specific to my truck. Anyone able to provide more specific details such a where it is, degree of difficulty, would it need an allen wrench - size?


Thanks!

Vehicle: Dodge Ram 2500 Diesel - 2005
on the ram 5.9 L diesels The crankshaft sensor is at the front of the engine on the driver side Lot easier if you remove the stuff to get to it
Old 04-24-2020, 12:34 AM
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I did it a couple of times when I was troubleshooting a no start condition-turned out to be a bad crank sensor. It's doable but not easy. I found getting adequate lighting the biggest challenge. Then beer and patience.

Also if I'm not mistaken the electrical connector is one of those that has a red safety clip that has to be 'slid out' before the el connector will come off. I remember that being a challenge to figure out how to get it out and not break everything.

Chay
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