How to replace the hem arm glue
In automobile maintenance, replacement of the lower arm glue is a common operation that requires certain skills. The function of the lower arm rubber is buffering and shock absorption. After long-term use, it will age and crack, affecting driving comfort and safety. This article will introduce in detail the steps for replacing the lower arm glue and provide relevant data and precautions.
1. The function and replacement timing of the hem arm glue
The lower swing arm glue is an important component in the suspension system, and its main function is to reduce vibration and noise. It is recommended to replace the lower swing arm glue when the following conditions occur:
| Symptoms | Possible reasons |
|---|---|
| Abnormal noise when the vehicle is driving | The hem arm glue is aging or cracked |
| Steering wheel shakes | Hem arm glue loses elasticity |
| Uneven tire wear | Damage to the lower arm glue leads to inaccurate positioning |
2. Tools and materials for replacing the hem arm glue
Replacing the lower arm glue requires the following tools and materials:
| Tools | Material |
|---|---|
| Jack | New lower arm rubber sleeve |
| wrench set | Grease |
| Rubber hammer | detergent |
| Press (optional) | Rust inhibitor |
3. Steps to replace the hem arm glue
1.Preparation: Park the vehicle on flat ground, use a jack to lift the vehicle, and ensure safe support.
2.Remove tires: Remove the tire to expose the lower swing arm.
3.Remove the lower swing arm: Use a wrench to loosen the connecting bolts between the lower swing arm, the body and the steering knuckle, and remove the lower swing arm.
4.Remove old rubber sleeve: Use a rubber hammer or press to knock out the old rubber sleeve from the lower swing arm and clean the lower swing arm installation location.
5.Install new rubber sleeve: Apply grease to the new rubber sleeve and install it into the lower swing arm using a press or rubber mallet.
6.Reinstall the lower swing arm: Replace the lower swing arm to its original position and tighten all bolts.
7.Install tires: Reinstall the tires, put down the vehicle, and complete the replacement.
4. Precautions
1. When replacing the lower swing arm glue, it is recommended to check other suspension components at the same time, such as ball heads, shock absorbers, etc.
2. When installing the new rubber sleeve, make sure it is in the correct position to avoid deflection.
3. When tightening the bolts, the torque value specified by the manufacturer must be followed to avoid over-tightening or over-loosening.
4. After the replacement is completed, it is recommended to perform four-wheel alignment to ensure that the tire alignment parameters are correct.
5. Frequently Asked Questions
| question | answer |
|---|---|
| How long does it take to replace the hem arm glue? | It usually takes 1-2 hours, depending on proficiency. |
| What should I do if there is still abnormal sound after replacement? | It may be that other suspension components are damaged, and a comprehensive inspection is recommended. |
| Can I replace the lower arm glue myself? | Car owners with certain hands-on skills can try it, but novices are advised to seek professional help. |
6. Summary
Replacing the lower swing arm glue is an operation that requires patience and skill. Correct replacement can significantly improve the driving comfort and safety of the vehicle. If you are unsure of your operating capabilities, it is recommended to go to a professional repair shop for replacement.
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