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GMC 20777018 Rear Axle Assembly (3.42 Ratio)

2009-2012 GMC Canyon

Customer Questions & Expert Answers (11)
GM 20777018 Rear Axle Assembly (3.42 Ratio)
  • Part Description
    Axle Assembly, Rear (3.42 Ratio)
  • Position
    Rear
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number20777018
    Part DescriptionAxle Assembly, Rear (3.42 Ratio)
    Item Dimensions66.6 x 19.5 x 13.9 inches
    Item Weight83.30 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU20777018
    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 Engine Important vehicle option details
    2009-2012 GMC Canyon4 Cyl 2.9L, 5 Cyl 3.7L, 8 Cyl 5.3LPICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
    A:
    You can Select Your Vehicle to check if 20777018 fits your vehicle.
    Posted by GMPartsGiant Specialist
    Q:
    What should be done with the rear axle differential housing during the removal process for the 2005 Chevrolet Colorado? Posted by Customer
    A:
    A jack should be positioned under the rear axle differential housing, and it should be raised slightly.
    Posted by GMPartsGiant Specialist
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    Q:
    What should you do before installing the driveaxle, and what should be done with the driveaxle/hub nut during installation for the 2005 Chevrolet Colorado? Posted by Customer
    A:
    Before installing the driveaxle, you should lubricate the splines on the stub shaft with multi-purpose grease. During installation, a new driveaxle/hub nut should be installed and tightened to the specific torque value.
    Posted by GMPartsGiant Specialist
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    Q:
    Is overhauling the differential a cost-effective DIY task for the 2007 Chevrolet Colorado? Posted by Customer
    A:
    No, overhauling the differential typically requires special tools and is not cost-effective for DIY work.
    Posted by GMPartsGiant Specialist
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    Q:
    What type of joints are used in the inner ends of the driveaxles, and what type of motion are they capable of for the 2005 Chevrolet Colorado? Posted by Customer
    A:
    The inner ends of the driveaxles are equipped with sliding constant velocity (CV) joints, which are capable of both angular and axial motion.
    Posted by GMPartsGiant Specialist
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    Q:
    What should you do if the 2006 Chevrolet Colorado has a conventional differential? Posted by Customer
    A:
    Remove the pinion shaft after removing the lock bolt.
    Posted by GMPartsGiant Specialist
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    Q:
    How does the optional locking limited-slip rear axle function for the 2011 GMC Canyon? Posted by Customer
    A:
    It functions like a conventional differential but with multi-disc clutch packs to equalize wheel rotation in low-traction situations.
    Posted by GMPartsGiant Specialist
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    Q:
    What should you do after installing the brake drum, wheel, and lug nuts for the 2009 GMC Canyon? Posted by Customer
    A:
    Lower the vehicle and tighten the lug nuts.
    Posted by GMPartsGiant Specialist
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    Q:
    How many caged ball bearings are typically found in each outer CV joint, and what do they run between for the 2004 GMC Canyon? Posted by Customer
    A:
    Each outer CV joint consists of six caged ball bearings running between an inner race and the housing.
    Posted by GMPartsGiant Specialist
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    Q:
    What component should be disconnected from the rear axle pinion flange during rear axle removal for the 2004 GMC Canyon? Posted by Customer
    A:
    The driveshaft should be disconnected from the rear axle pinion flange.
    Posted by GMPartsGiant Specialist
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    Q:
    What is the next step after securing the 2006 GMC Canyon on jackstands? Posted by Customer
    A:
    The next step is to remove the front wheel.
    Posted by GMPartsGiant Specialist
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    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 20777018, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 20777018 Rear Axle Assembly (3.42 Ratio). It is sometimes referred to as GMC Axle Shaft. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific GMC Canyon models.

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