Replacing the strut mount on a Mazda 121 involves several steps and requires specific tools and components. click here for more details on the download manual…..

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The strut mount is a crucial part of the suspension system, connecting the strut assembly to the vehicle body and allowing for the smooth operation of the suspension.

### Tools and Components Needed:

**Tools:**
1. **Jack and Jack Stands:** To lift and securely hold the vehicle.
2. **Lug Wrench:** For removing the wheel lug nuts.
3. **Socket Set:** Typically including 10mm, 12mm, 14mm, and 17mm sockets.
4. **Ratchet and Extensions:** For better reach in tight areas.
5. **Torque Wrench:** To ensure proper tightening of bolts.
6. **Spring Compressor:** If you’re replacing the strut assembly along with the mount.
7. **Pry Bar:** To help remove components if they are stuck.
8. **Hammer:** For tapping components when necessary.
9. **Safety Glasses and Gloves:** To protect yourself during the process.

**Components:**
1. **New Strut Mounts:** Ensure you get the correct part for your Mazda 121.
2. **New Strut Assembly (optional):** If the strut is worn out, consider replacing it.
3. **New Strut Bearing (if applicable):** To ensure smooth operation.
4. **New Bolts/Nuts (if necessary):** Some components may require new hardware.

### Step-by-Step Replacement Process:

1. **Preparation:**
– Park the vehicle on a flat surface and engage the parking brake.
– Gather all tools and parts required for the replacement.

2. **Lifting the Vehicle:**
– Loosen the lug nuts on the front wheels while the vehicle is still on the ground.
– Use the jack to lift the front of the vehicle and secure it with jack stands.
– Remove the lug nuts and take off the front wheels.

3. **Accessing the Strut Mount:**
– locate the strut assembly. It runs from the wheel hub to the top of the strut mount attached to the vehicle’s body.
– Identify the bolts securing the strut assembly to the steering knuckle (lower part) and the bolts at the top of the strut mount within the engine bay.

4. **Removing the Strut Assembly:**
– Start by removing the bolts that connect the strut to the steering knuckle. This typically involves:
– Removing the brake caliper and rotor if necessary to access the strut bolts.
– Use a socket and ratchet to remove the bolts.
– Next, locate the top bolts of the strut mount. You may need to remove any covers or components obstructing access.
– Use the appropriate socket to remove the top strut mount bolts. There are usually three or four bolts securing the strut mount to the vehicle.

5. **Removing the Strut Mount:**
– Once the bolts are removed, carefully pull the strut assembly out from the vehicle. Be cautious, as the spring may be under tension if you’re Not using a spring compressor.
– If the strut mount is stuck, gently tap it with a hammer or use a pry bar to help remove it.

6. **Installing the New Strut Mount:**
– Take the new strut mount and align it with the strut assembly.
– If applicable, install a new strut bearing on top of the mount.
– Secure the strut mount with the original or new bolts. Make sure to tighten them to the manufacturer’s specifications using a torque wrench.

7. **Reinstalling the Strut Assembly:**
– Insert the strut assembly back into the vehicle, aligning it with the bolt holes in the steering knuckle and the top mount.
– Secure the bottom of the strut to the steering knuckle using the previously removed bolts.
– Tighten these bolts to the manufacturer’s specifications.

8. **Reattaching the Top Mount:**
– From the engine bay, secure the top of the strut mount with the bolts. Ensure they are tightened properly.

9. **Reinstalling the Wheel:**
– Reattach the wheel to the hub and hand-tighten the lug nuts.
– Lower the vehicle from the jack stands.
– Once on the ground, use the lug wrench to fully tighten the lug nuts in a star pattern to ensure even tightening.

10. **Final Checks:**
– Before driving, check that all bolts are tight and that there are no loose components.
– Take a short test drive to check for any abnormal noises or handling issues.

### Safety Notes:
– Always wear safety glasses and gloves when working on vehicles.
– If you are unsure about any step, consult a professional mechanic or refer to a repair manual specific to the Mazda 121 for further guidance.

This guide provides a comprehensive overview of replacing the strut mount on a Mazda 121. Always refer to the specific service manual for your vehicle for any specifications or torque settings specific to your model year.
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