Replacing a constant velocity (CV) joint on a Nissan Pulsar NX is a process that requires mechanical skills and knowledge of automotive systems. Get instant access to the manual—click here for details……
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Below is a detailed guide on how to perform this task, including descriptions of the components involved.
### Tools and Materials Needed
1. **Tools:**
– Jack and jack stands
– Socket set (including 12mm, 14mm, 17mm, 19mm sockets)
– Wrench set
– Torque wrench
– Screwdrivers (flathead and Phillips)
– Pliers
– Hammer
– Pry bar
– CV joint puller (optional but helpful)
– Boot clamp tool (for securing new CV boot)
– Grease
2. **Materials:**
– New CV joint or CV axle assembly
– New CV boot (if not replacing the whole axle)
– CV joint grease
– New boot clamps
– possibly new axle nuts
### Step-by-Step Process
#### 1. Safety Preparations
– **Park the Vehicle:** Ensure that the vehicle is parked on a flat surface.
– **Disconnect the Battery:** Remove the negative battery terminal to ensure safety while working.
#### 2. Lifting the Vehicle
– **Jack Up the Vehicle:** Use a jack to lift the front of the vehicle. secure it with jack stands to prevent any accidents.
#### 3. Removing the Wheel
– **Take Off the Wheel:** Use a lug wrench to remove the wheel by loosening the lug nuts and pulling the wheel off.
#### 4. Removing the CV Axle
– **Remove the Axle Nut:** Use a socket and wrench to remove the large axle nut that secures the CV axle to the wheel hub. This may require a breaker bar if it’s very tight.
– **Disconnect the Lower Control Arm:** If necessary, remove the bolts securing the lower control arm to allow for more movement.
– **Separate the CV Joint from the Hub:** Use a hammer to tap on the end of the axle to free it from the hub. You may need to use a pry bar to gently separate the joint from the hub.
#### 5. Removing the CV Joint
– **Remove the other End:** If you are replacing the CV joint and not the entire axle, you will also need to disconnect the joint from the transmission. This is usually done by pulling the axle out from the transmission. Be careful as some fluid may leak out.
– **Remove the Boot Clamps:** Use pliers or a boot clamp tool to loosen and remove the clamps securing the CV boot.
#### 6. Disassembling the CV Joint
– **Remove the CV Joint:** Once the boot is off, slide the joint off the axle. You may need to tap it gently with a hammer if it’s stuck.
– **Inspect Components:** Check the CV joint for any signs of wear or damage. If you’re only replacing the boot, clean the joint and re-grease it before reinstalling.
#### 7. Installing the New CV Joint
– **Prepare the New Joint:** If you are replacing the whole axle, ensure the new CV joint is packed with grease.
– **Install the New Boot:** Slide the new boot onto the axle, and then slide the CV joint onto the axle.
– **Secure with Boot Clamps:** Use a boot clamp tool to secure the boot in place at both ends.
#### 8. Reinstalling the CV Axle
– **Insert the New Axle:** Push the new or repaired axle back into the transmission. Ensure it seats properly.
– **Reconnect to the Hub:** Align the axle with the hub
and tap it back into place. Reinstall the axle nut and tighten it to the manufacturer’s specifications using a torque wrench.
#### 9. Reassembling the Vehicle
– **Reinstall the Lower Control Arm:** If you removed it, reinstall it and tighten the bolts to specification.
– **Reattach the Wheel:** Place the wheel back on and hand-tighten the lug nuts.
– **Lower the Vehicle:** Remove the jack stands and lower the vehicle back to the ground.
#### 10. Final Checks
– **Tighten the Lug Nuts:** Once the vehicle is lowered, use a torque wrench to tighten the lug nuts to the manufacturer’s specifications.
– **Reconnect the Battery:** Reattach the negative battery terminal.
### Conclusion
After completing the CV joint replacement on your Nissan Pulsar NX, it’s advisable to take the vehicle for a test drive to ensure everything is functioning properly. If you notice any unusual noises or vibrations, recheck your work. Regular maintenance is crucial for the longevity of the CV joints and overall vehicle performance. Always consult the vehicle’s service manual for specific torque specifications and detailed diagrams related to your particular model.
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