Tools You'll Likely Need:
* Jack and jack stands: Absolutely essential for safety.
* Wheel chocks: To secure the vehicle.
* Lug wrench: To remove the wheel.
* Socket set and wrenches: Various sizes will be needed.
* Ball joint separator (pickle fork or ball joint press): Highly recommended to avoid damage.
* Hammer: May be needed for stubborn components.
* Penetrating oil (PB Blaster, etc.): Soak bolts overnight for easier removal.
* CV joint boot clamps: If you're reusing the old boots (not recommended).
* New CV axle: Get the correct one for your Blazer. Provide your VIN to a parts store for accuracy.
* Torque wrench: Crucial for proper tightening of bolts.
* Wheel alignment: You'll likely need a wheel alignment after the repair.
Steps (General Outline - Consult Your Repair Manual):
1. Safety First: Park on a level surface, engage the parking brake, and chock the rear wheels. Disconnect the negative battery terminal.
2. Remove the Wheel: Remove the lug nuts and take off the wheel.
3. Disconnect the Axle:
* ABS Sensor: If equipped, carefully disconnect the ABS sensor wire from the axle.
* Brake Caliper: You may need to support the caliper with wire or a clamp to keep it from hanging. Some models require unbolting the caliper to get more clearance.
* Tie Rod End: You might need to disconnect the tie rod end from the knuckle (requires a tie rod separator). This step depends on your specific model and the amount of clearance.
* Axle Nut: Remove the large axle nut securing the axle to the differential. This nut is usually very tight; use a breaker bar if necessary.
* Outer CV Joint: Separate the outer CV joint from the hub. This can be tricky and often requires a ball joint separator or similar tool. Use caution to avoid damaging the joint or the hub.
4. Remove the Axle Shaft: Once the outer CV joint is separated and the axle nut is off, the axle should slide out. There might be some resistance. Work it carefully.
5. Install the New Axle Shaft: Installation is the reverse of removal. Pay close attention to the orientation of the axle.
6. Reconnect Everything: Reassemble everything in the reverse order of removal. Make sure the outer CV joint clicks into place securely on the hub. Tighten all bolts to the manufacturer's specifications. Consult your repair manual for torque values.
7. Torque Specifications: Double-check all bolts and nuts using a torque wrench to prevent premature failure.
8. Wheel Alignment: After the repair, get a wheel alignment to ensure proper handling and tire wear.
Important Considerations:
* Replacing the Boots: Ideally, replace the CV boot with a new one. A torn boot allows contaminants to enter, destroying the joint.
* Grease: Pack the new CV joint with grease.
* Four-Wheel Drive Engagement: Before driving, ensure that your four-wheel-drive system engages and disengages correctly.
This is a simplified guide. Always refer to a repair manual specific to your 1995 Chevy Blazer 4x4. Improper installation can lead to serious problems, including loss of control of your vehicle. If you're not comfortable performing this repair yourself, take it to a qualified mechanic.
