2021 - 2025 Chevrolet Trailblazer Axle Shaft - Rear, Left (Driver) (OEM)

What to Look for When Buying This Part:

• Check the part to make sure it's the left (driver's) side rear axle shaft.
• Verify that the part is compatible with your vehicle's year and model.
• Inspect the part for any visible damage, such as cracks, bends, or corrosion.
• Consider the source and reputation of the seller.

Quality Indicators:

• Material: High-quality steel construction for strength and durability.
• Manufacturing: Precision machining and heat treatment for proper fit and performance.
• Inspection: Thorough inspection and testing to ensure it meets OEM specifications.
• Warranty: A warranty that covers defects in materials and workmanship.

What's Typically Included with the Part:

• The rear axle shaft itself.
• Sometimes, the wheel studs may be included.
• Depending on the seller, new axle seals may be included (check the product description).

Difficulty Level and Estimated Time:

• Moderate to Difficult.
• Estimated time: 2-4 hours.

Special Tools Needed:

• Socket set and wrenches.
• Torque wrench.
• Hammer.
• Punch or chisel.
• Wheel bearing removal tool (may be required).
• Jack and jack stands.
• Safety glasses and gloves.

Critical Steps and Tips:

1. Safety First: Always disconnect the negative battery cable before starting any work on your vehicle.
2. Proper Support: Use jack stands to safely support the vehicle. Never work under a vehicle supported only by a jack.
3. Loosen Lug Nuts: Loosen the lug nuts before lifting the vehicle.
4. Remove Wheel: Remove the wheel and tire assembly.
5. Disconnect Brake Components: Carefully disconnect the brake caliper and rotor.
6. Remove Axle Nut: Remove the axle nut. This may require a special socket.
7. Remove Axle Shaft: Use a slide hammer or other appropriate tool to remove the axle shaft from the housing.
8. Install New Axle Shaft: Install the new axle shaft, making sure it is properly seated.
9. Reassemble: Reassemble the brake components, wheel, and tire.

DIY or Professional Installation:

• DIY is possible for experienced mechanics.
• Professional installation is recommended if you are not comfortable working on your vehicle's drivetrain.

Here's a comparison of your options:

Used OEM: Get a genuine factory part at a great price. These parts have been tested and inspected to ensure they are in good working condition.

Refurbished OEM: These are factory parts that have been professionally restored to like-new condition. They often include new components and come with a warranty.

New Aftermarket: These are brand new parts manufactured by third-party companies to meet or exceed OEM specifications.

Parts Commonly Replaced or Checked at the Same Time:

• Wheel bearings.
• Axle seals.
• Brake pads and rotors.
• Differential fluid.

Why Replacing Related Parts Prevents Repeat Failures:

• Replacing worn wheel bearings can prevent premature wear on the new axle shaft.
• Replacing axle seals prevents gear oil leaks, which can damage the axle shaft.
• Servicing the brake system ensures proper braking performance and prevents uneven wear on the axle.
• Changing the differential fluid ensures proper lubrication and cooling of the axle components.

How Long This Part Normally Lasts:

• Typically lasts 75,000 - 150,000 miles or more under normal driving conditions.

Factors That Affect Longevity:

• Driving habits (aggressive acceleration, hard braking).
• Road conditions (potholes, rough terrain).
• Vehicle maintenance (proper lubrication, timely repairs).
• Towing and hauling heavy loads.
• Climate (exposure to moisture and road salt).

Budget vs Mid-Range vs Premium Options:

• Used OEM: $75 - $150
• Refurbished OEM: $150 - $250
• New Aftermarket: $100 - $300

Labor Cost Considerations:

• Labor costs can range from $200 to $400, depending on the mechanic and the complexity of the job.

Total Job Cost Estimates:

• Total cost can range from $275 to $700 or more, depending on the parts and labor involved.

Known Issues for This Vehicle's System:

• Some 2020-2025 Buick Encore GX and Chevrolet Trailblazer models have experienced premature wheel bearing failures, which can put extra stress on the axle shaft.
• Check for any Technical Service Bulletins (TSBs) related to the rear axle or drivetrain on these vehicles.

Any TSBs or Common Complaints:

• Research any TSBs related to rear axle noise or vibration for the Buick Encore GX and Chevrolet Trailblazer. Check online forums for common complaints about rear axle issues.

How to Confirm Proper Operation:

• Test drive the vehicle at various speeds to check for any unusual noises or vibrations.
• Inspect the area around the axle shaft for any gear oil leaks.
• Check the wheel for any excessive play or looseness.

What to Look/Listen for to Verify It's Working Correctly:

• Smooth and quiet operation of the rear axle.
• No clicking, popping, or grinding noises.
• No vibrations felt in the floorboard or seat.
• No gear oil leaks.

Q: How do I know if my rear axle shaft is bad?
A: Common signs include clicking noises when turning, vibrations, and gear oil leaks near the wheel.

Q: Can I drive with a bad rear axle shaft?
A: It's not recommended. A failing axle shaft can break completely, leading to loss of control of the vehicle.

Q: Is it difficult to replace a rear axle shaft myself?
A: It's a moderate to difficult job that requires some mechanical experience and specialized tools. If you're not comfortable, it's best to have a professional do it.

Q: What happens if I don't replace a bad rear axle shaft?
A: It can lead to further damage to other components, such as the wheel bearings and differential, and can ultimately result in a breakdown.

Q: How long should a rear axle shaft last?
A: With proper maintenance and driving habits, a rear axle shaft can last for 75,000 to 150,000 miles or more.

OEM Part Numbers:

• GM: 42481415, 60006452, 60008636

Fits Years: 2021 2022 2023 2024 2025