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How to change crankshaft sensor on 1999 grand price gt

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  • Cars & Trucks Master
  • 5,252 Answers

To get to the sensor, the harmonic balancer pulley on the crankshaft has to be removed. The center bolt on the harmonic balancer is on very tight. To loosen without an impact wrench, remove starter motor and wedge a piece of wood against the flywheel, or use a pry bar and hold the ring gear on the flywheel rigid, while loosening the crank bolt. The engine will try to turn backward when you loosen the crank bolt, so you have to hold the flywheel rigid. Once the bolt is removed, see if you can get the harmonic balancer pulley off without a gear puller. Just try tapping it to see if it slides off, or use two screwdrivers on each side behind the pulley and see if you can start it sliding off. If it is on very tight, as many are, you will have to get hold of a harmonic balancer removal tool-a simple, inexpensive puller that bolts onto pulley and can be drawn off. You might be able to rent the tool too.
BTW, you will need to have the wheel removed from passenger side, and the inner fender cover removed to get to the crankshaft. Once the pulley is off you can unbolt the sensor and put the new one on. GM recommends using a sensor alignment tool to install, because the thin vanes on the back of the harmonic balancer pass through the sensor, and if not aligned right could damage one or the other. If you don't have the tool, put the sensor on loosely mounted, just snugged up finger tight, then test the pulley will slide through the sensor slots without touching either side of sensor. If it looks right, tighten down the sensor in place, install the harmonic balancer pulley and tighten the center crank bolt to about 105 foot pounds.
Wedge the flywheel again so the engine won't turn when tightening the crankshaft bolt.
Good luck, and hope you get it.

Posted on May 09, 2013

  • montehammons May 09, 2013

    Whoever does this job needs to check all bolt toque specfications. Some crank pulley bolts are much higher than ball-park figure of 105 that I used. Sorry for any confusion. I always follow a repair manual on just about anything.

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Posted on Jan 02, 2017

kimmmoran
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SOURCE: Crank shaft Sensor

After replacement of crankshaft position sensor, the computer needs to have the crankshaft position system variation learn procdeure performed. That requires a factory scan tool. Crankshaft Position Sensor Replacement Removal Procedure


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  1. Disconnect the negative battery cable.Raise and support the vehicle. .
  2. Remove the crankshaft harmonic balancer. Disconnect the crankshaft position (CKP) sensor electrical connector.
  3. Remove the CKP sensor shield (1). DO NOT use a pry bar.
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  4. Remove the CKP sensor studs.
  5. Remove the CKP sensor.
Installation Procedure

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  1. Install the CKP sensor. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  2. Install the CKP sensor studs. Tighten
    Tighten the studs to 30 N·m (22 lb ft).

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Posted on Oct 22, 2008

  • 11 Answers

SOURCE: update. 2000 pontiac grand am 3.4 liter engine,

Probably the fuel pump. It starts & runs until the pump gets hot, then when it quits, your car quits.

Posted on Apr 26, 2009

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SOURCE: 2000 pontiac grand am stalling after couple miles

YOUR GAS SMELL MIGHT BE THE FUEL PRESSURE REGULATOR LEAKING UP THRU THE CENTER OF THE UNIT JUST LIKE AN OIL PRESSURE SENDER WOULD. IT IS LOCATED IN THE FUEL RAIL

Posted on May 20, 2009

  • 10 Answers

SOURCE: location of crankshaft position sensor Jeep grand cherokee 1997

left rear of engine block,on transmission bell housing.best way from top under brake booster use a wrench,

Posted on Jun 13, 2009

  • 412 Answers

SOURCE: crankshaft sensor 1999 Durango

what engine?if it's a 5.2 l V8,you could remove right inner fender shield for easier access..i would not remove trans..if you remove trans and then install sensor to engine,you could break it reinstalling trans..if it's a 4.7..sensor is in block..these can be really tough to get out..rust forms behind sensor and it will not come out..most times these come out in pieces

Posted on Jul 20, 2009

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