How To Replace Crankshaft Position Sensor 2000-2005 Buick LeSabre

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The crankshaft position sensor is an important component of any electronically controlled ignition system. The sensor provides the computer with data about the position of the crank shaft to properly adjust ignition timing. If the sensor in your vehicle is broken or malfunctioning, you may suffer poor performance, or get a check engine light. This video shows you how to install a new crankshaft position sensor on your 2000-2005 Buick LaSabre.
Once the sensor is installed, you will need to use a manufacturer scan tool to perform a crankshaft position sensor relearn.
This process should be similar on the following vehicles:
2000 Buick LeSabre
2001 Buick LeSabre
2002 Buick LeSabre
2003 Buick LeSabre
2004 Buick LeSabre
2005 Buick LeSabre
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While TRQ strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. TRQ is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

[@TRQ]

√ Watch the Video √ Buy The Part at 1A Auto 1aau.to/m/Shop-TRQ-Parts √ Do it Yourself √ Save Money

[@timcountryman961]

I can't thank you guys enough for these videos. I've save a lot of money and built my confidence because of them.

[@Querencias7]

Beautiful job! Excellent step-by-step professional tutorial. Much obliged sir. ['94 Buick Regal 3.8L / L27 (very similar)]

[@deivyleon409]

You don’t have to calibrate anything when replacing the cam and crank sensor for anyone that is wondering

[@brianfraser7822]

I have 2008 buick lacross 3.8 doing this very job know ,,thanks,,video helped completely

[@eileenheitman4351]

Outstanding explanation, demonstration, illumination. First rate. Thanks. Dave, not Eileen

[@markorkarenhanes1354]

If a person had to change the crankshaft position sensor, might as well change the camshaft position sensor too, while everything is apart.

[@jaredfletcher1587]

Would one of these going bad prevent the car from starting?

[@mikehicks65]

What is the proper relearn procedure ? If infact necessary?

[@michaelwilliams7050]

Are you going to do a video on the 2009 through 2011 Buick Lucerne CXL 3.9 engine how to replace crankshaft sensor and camshaft sensor

[@jonthedon1618]

Do you have the part for that puller?

[@jamespinckard4210]

Why would the crank bolt have to be turned another 76 degrees after reaching torque? Never heard that one before.

[@mariadelia7945]

Can you use an outside puller that has hooks on the outside that grabs the perimeter of the harmonic balancer drum?

[@Whit_Siever]

Crank position sensor was replaced once for a small fortune at shop 4 years ago. Now having no start issues again. Swapped ICM still no fix. Question: Could leaking side cover/timing cover/water pump gaskets cause fluids to drip downward and short out the Crank Sensor?

[@TRQ]

+@Whit_Siever We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c

[@SouthernBlessedHomestead]

Excellent video, thanks for the info.

[@griseldojamesnunez4154]

whats the breakaway on the impact wrench? Mine has just over 600ftlbs anbd the bolt refuses to move despite lots of penetrating oil.

[@karafox7102]

What size of screws do you use for the puller

[@mlieser1230]

I've heard people mention 2 different sizes. 1/4 SAE or 6mm Metric. I believe they are metric. The puller kit should come with both SAE and Metric bolts.

[@IiiIjj-tx3de]

Bro I have problem in my buick regal may I send you a video

[@josueletelier1745]

Muy bien video le felicitó y gracias !!

[@stevewheatley243]

Dont simply disconnecting your battery relearn your sensors?

[@trentgrimes9880]

What kind of torque is needed to remove the crankshaft bolt?

[@chuckddon3536]

Great video, thanks

[@vincegiltz2888]

You should NOT have lubricated the crank Bolt. When you do this you change your torque value. You think you might be torquing to 111 lbs, but now that you decrease the friction properties with the grease on your bolt you could have just increased your torque by 30%.

[@TRQ]

+Vince Giltz We appreciate the feedback. Sometimes there are multiple ways to accomplish the same repair. 1aau.to/m/Shop-TRQ

[@supernintendo7579]

IS THIS THE SAME AS THE 2007 BUICK LACROSSE 3.8???

[@JanielRamirez-rv3kh]

The online Manuel fir 2002 impala ls says 114 degress

[@jerbburleson1]

I think I could probably do this procedure. I do not have a scan tool though. I notice you mentioned a possible re-learn procedure with a scanner. I know its hard to predict but what is the likely hood that the re-learn procedure must be done. Think this will determine whether or not I attempt this or not. And these videos are so helpful. Modern cars are wonderful but I don't think the engineers of them took into consideration that it would be a bunch of amateur backyard Gomer Pyle's trying to fix them .

[@TRQ]

+Jerry Burleson Thanks for watching. Buy the part in this video on 1AAuto.com: 1aau.to/m/Shop-TRQ

[@ashleychee1459]

Mr Jerry have u changed out ur sensor? I don't have a scanner also. I'm having 2nd thoughts about just throwing one on and hoping it works with a relearn procedure.

[@jerryburleson8604]

Fantastic!!

[@petrusc3384]

What is the reason for replacing the sensor?

[@brianfraser7822]

Changed crank shaft sensor,,,still just turns over,,

[@vulgervulcan6345]

Did everything exactly the Samantha my car won't start now