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Crank Position

This is a discussion on Crank Position within the General Help forums, part of the LSx Technical Help Section category; I am trying to figure out where the Crankshalf Position Sensor is. I know that it is suppose to be ...

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    Member Boothe's Avatar
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    Crank Position

    I am trying to figure out where the Crankshalf Position Sensor is. I know that it is suppose to be by the starter on the Passenger side of the car. But i cant seem to see it. Does anyone have any pictures showing where this is at or help me find it. 99 Ls1 Trans Am

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    Smiles for 9.5 Years cammed goat's Avatar
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    I think it is above the starter.

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    Member Boothe's Avatar
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    I know that i just cant seem to find it

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    Hang on... Photobucket is acting weird and not showing all my album pics. I have a good one that shows the sensor that I will upload again to post.

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    You can see it just above the swivel socket in this pic:


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    Spaz is My Mentor SMWS6TA's Avatar
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    Jeff no pic

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    Photobucket was acting up last night... let me try this again.

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    Looks like something took a dump at Photobucket:

    Hello Photobucket users,

    We experienced a problem on Sunday September 2nd that caused servers to go down. This is affecting some of you in different ways, and we just wanted to make sure you knew that our engineers are looking it, and doing their best to get everything back to normal as quick as they can.

    Issues affecting users:

    •Unable to login
    •Images missing from the account, or websites they are linked out to
    •503 error on Photobucket, not allowing you to access your account
    •Pixlr editor not loading properly
    •Gray pages or boxes on your account or the Photobucket website
    You may experience any of these issues when accessing your account or the site. I assure you that your content is safe, and everything will be back to normal soon.

    Our engineers have been hard at work on this over the past two days. A disk drive needs to be rebuilt, and that may take a bit of time to complete.

    I will post another message when more information is available on when this might be resolved.

    Thank you!

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    Pending the ability to post pics, the sensor is located directly above the starter at the very back of the engine block. Not sure about access with the starter in place.

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    Pic is back up.

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    Member Boothe's Avatar
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    awesome thank you so much for the visual it helped alot.. thanks so much for the extra effort

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    No problem. What is your actual issue -- are you throwing a code?

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    Member Boothe's Avatar
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    yes throwing the low/high voltage, staring issues, sputting at some pionts while driving, and tacometer not working not sure if thats the sensor or not.

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    Member Boothe's Avatar
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    is it a lengthy process to take the starter off i know there are 2 bolts that hold it to the block but other then that?

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    Start by disconnecting the battery. There are two wires on studs that are retained by nuts -- the studs are up on the solenoid and face the front of the car. I want to say that they are 8mm and 12mm, maybe the larger one is 13mm. Anyway, remove the nuts and lock washers and carefully slide the wires off the studs. Then, with a 13mm socket, unbolt the starter from the back of the block. There are two bolts at the very back of the block that go in from the bottom, through the starter and into the block.

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    thank you thats what i needed to know. Are those common symptoms of a bad crank position sensor?

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    Never had one go bad before. I would think that you would be getting a code if it was defective.

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    Hope I'm in the right place , car has no spark , it will crank up run for 2-3 mins and cut off, then it just turns over . switched relays around ,all fuses are good, fuel pressure is good, this is an 02 trans am bone stock no aftermarket parts. I plugged in an obdll tester and the code readp0335, which is crank shaft position sensor. Gm said this would no cause my issue? Need help before I start tearing into this.

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    It's fairly easy to get to, located on the passenger side of the block, IIRC the CAT might need to be moved as well as the starter since you said you were stock, and has a 10mm bolt. I would also check the wire harness to make sure it didn't get melted from the headers.

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    I'm going yo get the sensor now and will start the replacement. I'll be sure to check the harness, I don't have headers but im willing to check everything, cause I'm carless right now. Will a sensor work then not work like that

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