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GM 88963458
Gear Shift Assembly

2002-2008 GM

Customer Questions & Expert Answers (19)
GM 88963458 Gear Shift Assembly
GM 88963458 Gear Shift Assembly
GM 88963458 Gear Shift Assembly
  • Part Description
    Solenoid, Transmission Shift Brake Interlock; Automatic Transmission Selector Handle
  • Replaces
    88952012
  • Manufacturer
    General Motors
Make sure this part fits
$61.62 MSRP: $104.89
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • 88963458 Gear Shift Assembly is Ref No. 16 in the diagram below

    2003 Buick Rendezvous Gear Shift Assembly Diagram for 88963458
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 88963458

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number88963458
    Part DescriptionSolenoid, Transmission Shift Brake Interlock; Automatic Transmission Selector Handle
    Other NamesInterlock Solenoid; Actuator
    Item Dimensions5.3 x 2.0 x 1.0 inches
    Item Weight0.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces88952012
    ManufacturerGeneral Motors
    SKU88963458
    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
    2002-2007 Buick RendezvousCX, CX Plus, CXL, CXL Plus, Ultra6 Cyl 3.4 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 3.6 L GAS
    2005-2007 Buick TerrazaCX, CXL6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
    2005-2008 Chevrolet UplanderBase, LS, LT6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
    2002-2005 Pontiac AztekBase, Rally6 Cyl 3.4 L GAS
    2005-2006 Pontiac MontanaSV66 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
    2005-2007 Saturn Relay1, 2, 36 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

  • Customer Questions & Expert Answers

    Q:
    Is 88963458 compatible with my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 88963458 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the 2-3 shift solenoid (315B) and reset the transmission adaptive pressure (TAP) values on Buick Rendezvous? Posted by Customer
    A:
    The first step for 2-3 Shift Solenoid (315B) replacement includes disassembling the case side cover along with transaxle wiring harness detachment. Next, remove the 2-3 Shift Solenoid (315B). The replacement process begins by installing the 2-3 Shift Solenoid (315B) before reattaching the transaxle wiring harness and putting back the case side cover. Vehicle performance might be affected by this process because the transmission adaptive pressure (TAP) values need to be reset using a scan tool to delete all learned values from all cells. After erasing these values the ecm, pcm or tcm has to relearn tap values.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to service and repair the Shift Interlock Solenoid on Buick Rendezvous? Posted by Customer
    A:
    The service and repair process for the Shift Interlock Solenoid starts with removing the actuator screws followed by removing the actuator assembly from the shift assembly. Install the actuator assembly onto the shift assembly while referring to the Fastener Notice and Service Precautions before putting in the actuator screws. The installation process requires finishing by torquing actuator screws to 2 Nm (18 inch lbs.).
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the 2-3 Shift Solenoid Valve on Buick Terraza? Posted by Customer
    A:
    The first step to replace the 2-3 Shift Solenoid valve requires removal of the case side cover and disconnecting of the transaxle wiring harness. A small screwdriver or pick helps you remove the 2-3 Shift Solenoid valve retainer (314C) from the control Valve Body (301). After that, proceed with taking out the 2-3 Shift Solenoid (315B). Damaged o-ring seal (316) needs to be eliminated from the 2-3 Shift Solenoid valve (315B). When performing the installation place an undamaged o-ring seal (316) onto the 2-3 Shift Solenoid valve (315B) if necessary before installing the 2-3 Shift Solenoid (315B) while securing the 2-3 Shift Solenoid valve retainer (314C) into the control Valve Body (301). Reconnect the wiring harness while finishing by placing back the case side cover.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to Service and Repair the Shift Solenoid for the 2-3 Gear Transition on Buick Terraza? Posted by Customer
    A:
    The first step to replace the 2-3 Shift Solenoid valve requires the removal of the case side cover and disconnection of the transaxle wiring harness. A small screwdriver or pick helps remove the 2-3 Shift Solenoid valve retainer (314C) from control Valve Body 301 and allows the extraction of 2-3 Shift Solenoid 315b. Undo the o-ring seal (316) from the 2-3 Shift Solenoid valve (315B) only if it becomes damaged. The installation process requires replacing the o-ring (316) if removed from the 2-3 Shift Solenoid valve (315B) before reinstalling both components into the control Valve Body (301). After the transaxle wiring harness reinstallation you should install the case side cover.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the 1-2 Shift Solenoid Valve on Buick Rendezvous? Posted by Customer
    A:
    The replacement process of the 1-2 Shift Solenoid valve starts with removing the case side cover and subsequent disconnection of the transaxle wiring harness. Use a torque wrench to install the newly replaced 1-2 Shift Solenoid (315A) after you have removed its predecessor (315A). Reroute the transaxle wiring harness afterward then place the case side cover back on its original position. A scan tool should be used to reset transmission adaptive pressure (TAP) values because this operation removes every learned value from each cell while the ecm or pcm or tcm will need to relearn tap values affecting transmission performance. Reset the tap values as the last step.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the 1-2 Shift Solenoid Valve on Chevrolet Uplander? Posted by Customer
    A:
    You must remove the case side cover first before beginning the replacement of the 1-2 shift solenoid valve. Start by disconnecting the transaxle wiring harness followed by the removal of 1-2 shift solenoid (315A). Install the replacement 1-2 shift solenoid (315A) before reattaching the transaxle wiring harness then install the case side cover.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the 2-3 Shift Solenoid Valve on Chevrolet Uplander? Posted by Customer
    A:
    A mechanic must begin replacement of the 2-3 Shift Solenoid valve by taking off the case side cover. Begin the replacement by disconnecting transaxle wiring followed by using a small screwdriver or pick to remove the 2-3 Shift Solenoid valve retainer (314C) from control Valve Body (301). The 2-3 Shift Solenoid (315B) should be removed and the o-ring seal (316) should be extracted from the 2-3 Shift Solenoid valve (315B) depending on whether the o-ring is damaged. The installation requires replacement of the old o-ring with a new o-ring seal (316) for the 2-3 Shift Solenoid valve (315B). Insert the 2-3 Shift Solenoid (315B) together with the 2-3 Shift Solenoid valve retainer (314C) inside the control Valve Body (301). At the end install the case side cover after reconnecting the transaxle wiring harness.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the final step in the replacement process for the 2006 Buick Rendezvous? Posted by Customer
    A:
    Reinstall the case side cover.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    Q:
    What is the next step after disconnecting the wiring harness for the 2003 Buick Rendezvous? Posted by Customer
    A:
    Remove the 1-2 shift solenoid (315A).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    Q:
    What is the installation process for the O-ring seal for the 2006 Buick Terraza? Posted by Customer
    A:
    Place a new O-ring seal (316) onto the 2-3 shift solenoid valve (315B) if it was removed.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    Q:
    What is the first step to replace the 2-3 shift solenoid valve (315B) for the 2005 Buick Rendezvous? Posted by Customer
    A:
    Remove the case side cover and disconnect the transaxle wiring harness.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    Q:
    What is the first step to service and repair the Shift Interlock Solenoid for the 2006 Buick Rendezvous? Posted by Customer
    A:
    Begin by removing the actuator screws and then take out the actuator assembly from the shift assembly.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Interlock Solenoid
    Q:
    What is the final step in the installation process for the 2002 Buick Rendezvous? Posted by Customer
    A:
    Install the case side cover.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    Q:
    What is the final step in the process for the 2007 Buick Terraza? Posted by Customer
    A:
    Reinstall the case side cover.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    Q:
    What should be done for installation of the actuator assembly for the 2007 Buick Rendezvous? Posted by Customer
    A:
    Position the actuator assembly onto the shift assembly, ensuring to adhere to the Fastener Notice.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Interlock Solenoid
    Q:
    What should be removed after disconnecting the transaxle wiring harness for the 2004 Buick Rendezvous? Posted by Customer
    A:
    Remove the 1-2 shift solenoid (315A).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    Q:
    What should be done after removing the case side cover for the 2005 Chevrolet Uplander? Posted by Customer
    A:
    Disconnect the transaxle wiring harness.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    Q:
    What is the next step after disconnecting the wiring harness for the 2006 Chevrolet Uplander? Posted by Customer
    A:
    Remove the 1-2 shift solenoid (315A).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Shift Solenoid
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 88963458, Excellent Performance and Perfect Fitment

To ensure reliability, purchase GM part # 88963458 Gear Shift Assembly. It is sometimes referred to as GM Shift Solenoid, GM Shift Interlock Solenoid. Choosing OEM parts is the optimal decision for guaranteeing superior quality and perfect performance. These components undergo stringent quality checks and are carefully constructed to comply with GM's factory specifications, ensuring a smooth installation process.

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