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GM 12596851
Crankshaft Position Sensor

1995-2007 GM

Customer Questions & Expert Answers (37)
GM 12596851 Crankshaft Position Sensor
GM 12596851 Crankshaft Position Sensor
  • Part Description
    Sensor, Distributor (Also Knock Sensor)
  • Replaces
    10456607, 10456532, 12562910
  • Manufacturer
    General Motors
Make sure this part fits
$75.43 MSRP: $153.20
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number12596851
    Part DescriptionSensor, Distributor (Also Knock Sensor)
    Other NamesCrankshaft Sensor; Position Sensor
    Item Dimensions8.2 x 6.3 x 2.0 inches
    Item Weight0.70 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces10456607, 10456532, 12562910
    ManufacturerGeneral Motors
    SKU12596851
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Trim Engine
    1999-2000 Cadillac EscaladeBase8 Cyl 5.7 L GAS
    1996-2005 Chevrolet AstroBase, LS, LT6 Cyl 4.3 L GAS
    1995-2005 Chevrolet BlazerBase, LS, LT, Trailblazer, Xtreme, ZR26 Cyl 4.3 L GAS
    1996-1999 Chevrolet C1500Base, Cheyenne, LS, Silverado, WT6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
    1996-1999 Chevrolet C1500 SuburbanBase, LS, LT8 Cyl 5.7 L GAS
    1996-2000 Chevrolet C2500Base, Cheyenne, LS, Silverado, WT8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
    1996-1999 Chevrolet C2500 SuburbanBase, LS, LT8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
    1996-2000 Chevrolet C3500Base, Cheyenne, LS, Silverado8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
    1996-2007 Chevrolet Express 1500Base, LS, LT6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
    1996-2006 Chevrolet Express 2500Base, LS6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
    View More
  • Customer Questions & Expert Answers

    Q:
    Is this 12596851 designed for my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 12596851 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How do you disconnect the CKP sensor for the 2001 Chevrolet Astro? Posted by Customer
    A:
    Disconnect the CKP sensor harness connector.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How do you disconnect the CKP sensor for the 2003 Chevrolet Astro? Posted by Customer
    A:
    Disconnect the CKP sensor harness connector.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the Crankshaft Position (CKP) Sensor for the 2000 Chevrolet Astro? Posted by Customer
    A:
    Disconnect the negative battery cable and the CKP sensor harness connector.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be checked before installing the CKP sensor for the 2004 Chevrolet Blazer? Posted by Customer
    A:
    Ensure the CKP sensor mounting surface is clean and free of burrs.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How do you disconnect the CKP sensor for the 2004 Chevrolet Astro? Posted by Customer
    A:
    Disconnect the CKP sensor harness connector.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the next step after disconnecting the CKP sensor for the 2005 Chevrolet Astro? Posted by Customer
    A:
    Remove the CKP sensor mounting bolt and take out the CKP sensor.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How should the CKP sensor be installed for the 2005 Chevrolet Blazer? Posted by Customer
    A:
    Ensure it is fully seated before tightening the mounting bolt to 9 N.m (80 lb in).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the Crankshaft Position (CKP) Sensor for the 2004 Chevrolet Silverado 1500? Posted by Customer
    A:
    First, raise and support the vehicle appropriately.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the installation process for the CKP sensor for the 2006 Chevrolet Express 1500? Posted by Customer
    A:
    Place the CKP sensor in position, secure it with the retaining fastener, and tighten it to 25 N.m (18 lb ft).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with all accessories before starting the learn procedure for the 2001 Chevrolet Express 3500? Posted by Customer
    A:
    Turn OFF all accessories.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is important to check during the installation of the CKP sensor for the 2000 Chevrolet Express 3500? Posted by Customer
    A:
    Make sure it is fully seated and held stationary in the front cover before torquing the hold down bolt.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What instructions should be followed regarding the setup for the 2002 Chevrolet Express 2500? Posted by Customer
    A:
    Block the drive wheels, apply the vehicle's parking brake, cycle the ignition from OFF to ON, hold the brake pedal, start and idle the engine, turn OFF the A/C, and place the vehicle's transmission in Park (A/T) or Neutral (M/T).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the torque specification for the CKP sensor mounting bolt for the 2005 Chevrolet Express 2500? Posted by Customer
    A:
    Tighten the CKP sensor mounting bolt to 8 N.m (71 lb in).
    Posted by ChevyPartsGiant Specialist
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    Q:
    How do you remove the CKP sensor for the 2004 Chevrolet Express 1500? Posted by Customer
    A:
    Remove the CKP sensor retaining fastener and then the CKP sensor itself.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done after installing the CKP sensor for the 2007 Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    Reconnect the CKP sensor electrical connector.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be checked before installing the CKP sensor for the 2002 Chevrolet S10? Posted by Customer
    A:
    Ensure the CKP sensor mounting surface is clean and free of burrs.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How should the CKP sensor O-ring be prepared before installation for the 2003 Chevrolet S10? Posted by Customer
    A:
    Replace the CKP sensor O-ring, lubricate it with clean engine oil, and install the CKP sensor, ensuring the mounting surface is clean and free of burrs.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to replace the Crankshaft Position (CKP) Sensor for the 2005 Chevrolet Silverado 1500? Posted by Customer
    A:
    First, raise and support the vehicle appropriately.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Position Sensor
    Q:
    What should you do if the O-ring is damaged for the 2000 Chevrolet K3500? Posted by Customer
    A:
    Replace it and lubricate the new O-ring with clean engine oil before installation.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What specific component signals will the scan tool monitor for the 2001 GMC Savana 1500? Posted by Customer
    A:
    The scan tool will monitor CKP sensor activity (DTC P0335 or P0336 if an issue arises), CMP sensor activity (DTC P0341 if an issue arises), and engine coolant temperature, which should be warmed up adequately.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be ensured when installing the new CKP sensor for the 2001 GMC Jimmy? Posted by Customer
    A:
    Ensure it is fully seated before tightening the mounting bolt to avoid erratic performance and false DTCs.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done with the O-ring during installation for the 2001 GMC Savana 2500? Posted by Customer
    A:
    Do not use the original O-ring; instead, replace it and lubricate it with clean engine oil prior to installation.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should you do if DTC P0315 failed or did not run for the 2003 GMC Safari? Posted by Customer
    A:
    Consult DTC P0315, and for any other DTC's, refer to the DTC List.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the final step after completing the installation for the 2000 GMC Jimmy? Posted by Customer
    A:
    Lower the vehicle and perform the CKP System Variation Learn Procedure.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What procedure should be performed after replacing the sensor for the 2000 GMC C2500? Posted by Customer
    A:
    Perform the CKP System Variation Learn Procedure.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What procedure should be selected on the scan tool for the 2002 GMC Safari? Posted by Customer
    A:
    Select the crankshaft position (CKP) variation learn procedure on the scan tool and observe the fuel cut-off for the engine in question.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to service and repair the Crankshaft Position Sensor for the 2001 GMC Safari? Posted by Customer
    A:
    Install a scan tool and monitor the powertrain control module (PCM) for DTCs, noting that if any DTCs other than P1336 are present, consult the Diagnostic Trouble Code (DTC) List for further details.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should the operator do after releasing the throttle for the 2000 GMC Savana 3500? Posted by Customer
    A:
    Slowly raise the engine speed to 4000 RPM and immediately release the throttle when the engine speed decreases.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What should be done after securing the sensor for the 2002 GMC Savana 3500? Posted by Customer
    A:
    Reconnect the CKP sensor harness connector, lower the vehicle, and reconnect the negative battery cable.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What procedure should be performed at the end for the 2006 GMC Sierra 1500? Posted by Customer
    A:
    Perform the CKP system variation learn procedure.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the first step to service and repair the Crankshaft Position Sensor for the 2002 GMC Savana 3500? Posted by Customer
    A:
    Begin by installing a scan tool and monitoring the powertrain control module for DTCs.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the proper way to install the new CKP sensor for the 2001 GMC Savana 3500? Posted by Customer
    A:
    Install the sensor into the timing cover, making sure it is fully seated and held stationary before torquing the hold down bolt to 8 N.m (71 lb in).
    Posted by ChevyPartsGiant Specialist
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    Q:
    What will the scan tool display after releasing the throttle when fuel cut-off occurs for the 2003 GMC Sonoma? Posted by Customer
    A:
    Learn Status: Learned this ignition.
    Posted by ChevyPartsGiant Specialist
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    Q:
    What is the installation process for the CKP sensor for the 2003 GMC Savana 2500? Posted by Customer
    A:
    Place the CKP sensor in position and secure it with the retaining fastener, tightening it to 25 N.m (18 lb ft).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Position Sensor
    Q:
    What should be done with the original O-ring seal for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Do not reuse the original O-ring seal; instead, install a new O-ring seal lubricated with clean engine oil.
    Posted by ChevyPartsGiant Specialist
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    Q:
    How do you disconnect the CKP sensor for the 2002 GMC Safari? Posted by Customer
    A:
    Disconnect the CKP sensor harness connector.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Crankshaft Position Sensor
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 12596851, Excellent Performance and Perfect Fitment

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