* Air in the brake lines: If there is still air in the brake lines, it can cause the brakes to feel spongy. To remove the air, you can bleed the brakes again.
* Low brake fluid: If the brake fluid level is low, it can cause the brakes to feel spongy. Check the brake fluid level and add more fluid if necessary.
* Defective master cylinder: If the master cylinder is defective, it can cause the brakes to feel spongy. The master cylinder is responsible for creating the hydraulic pressure that is used to actuate the brakes. If the master cylinder is not working properly, it can cause the brakes to feel spongy.
* Defective brake booster: If the brake booster is defective, it can cause the brakes to feel spongy. The brake booster is responsible for providing additional power to the brakes when you apply them. If the brake booster is not working properly, it can cause the brakes to feel spongy.
* Worn brake pads or shoes: If the brake pads or shoes are worn, it can cause the brakes to feel spongy. The brake pads or shoes are responsible for creating the friction that is used to stop the vehicle. If the brake pads or shoes are worn, they will not be able to create enough friction, which can cause the brakes to feel spongy.
If you have bled the brakes and checked the brake fluid level, and the brakes are still spongy, it is possible that you have a defective master cylinder, brake booster, or worn brake pads or shoes. You should have the brakes inspected by a qualified mechanic to determine the cause of the problem.
