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DIY - replace Crankshaft Position Sensor on 2001 Ram 1500

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Old 05-02-2012, 10:13 PM
jeff351 jeff351 is offline
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Default DIY - replace Crankshaft Position Sensor on 2001 Ram 1500

My truck has the 5.2L, so the CPS is on the passengers-side, rear of the block. (pix were taken by jamming my camera between the firewall and valve cover)
The only tricky part of this task was 1) actually finding the CPS, 2) figuring out what size bolts hold it down, and 3) how to reach it.
Once you actually do find it, the next thing is how the hell...I found it easier to get to while I had the plug wires off the truck. For reference the transmission dipstick tube passes right over it.
Click the image to open in full size.

With the CPS removed, you can see how it works. The flywheel is visible through the hole the CPS drops into.
Click the image to open in full size.


The two bolts holding it in are tricky to locate. A couple of drop lights and a mirror come in handy. They can be removed either with a 1/4" allen wrench of 1/2" socket. I found it much easier to fool with by using a couple of extensions, and a cordless drill with a 1/4 hex head socket. The tape holds the stuff together so it doesnt fall apart as you wiggle it into position.

Click the image to open in full size.
Click the image to open in full size.

When you reinstall the new CPS, it drops right in, but expect to crawl under the truck a few times to retrieve the bolts while trying to get them started. The shop manual says torque the bolts to 70 in.lbs; not having room for a torque wrench in there, I cranked mine down on max setting with my drill, called it good enough.
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Last edited by jeff351; 05-02-2012 at 10:16 PM..
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Old 05-03-2012, 06:55 AM
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Nice write up. You did install the rubber grommet too right?
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Old 05-03-2012, 09:24 AM
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I never saw a rubber grommet in mine, or with my new part. Hopefully it doesn't cause issues... Photo of said grommet?
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Old 05-03-2012, 09:44 AM
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A new sensor does not come with one. It's an OEM part. Keeps out dirt/debris/water.

Click the image to open in full size.
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Old 05-03-2012, 09:58 AM
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Think this is the right part?

http://www.factorychryslerparts.com/.../52117709.html
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Old 05-03-2012, 10:09 AM
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No..... Well it's the part, but not the right application by the looks of it.
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Old 05-03-2012, 10:20 AM
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Leave it to Zman to actually have one he could take a picture of.
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Old 05-03-2012, 10:29 AM
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.... Anyway, it's from a 98 w/auto trans. I don't know what truck 2x1972 is referring to . LOL


Maybe the one he posted is right. This is from the 95 part manual( available in the FAQ/DIY section). LOL


never mind, I think that is just a timing probe plug.
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Last edited by zman17; 05-03-2012 at 10:37 AM..
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Old 05-03-2012, 11:40 AM
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Is the CPS located in a different spot for the 5.9?
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Old 05-03-2012, 11:52 AM
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No......
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Old 05-03-2012, 11:52 AM
 
 
 
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