Bosch Brakes Squealing Noise
At Diesel-Electric Automotive, we take braking seriously. Road safety is our top priority, and we’re committed to addressing any concerns regarding Bosch Brake Components.
In a recent communication received from the Bosch Mobility Aftermarket Team, we were informed that their technical and quality team have investigated more than 38 complaints relating to brake noise.
“The majority of the issues were related to the incorrect fitment of brake pads, and basic pre-checks were not followed.” – Bosch Mobility Aftermarket Team
Key Findings from Bosch’s Investigation
- Lack of specialised tools
- Installation by unqualified personnel
- Brake pads are misaligned within the caliper assembly, leading to uneven contact with the rotor.
- Brake pads were installed incorrectly, resulting in varying pressures and wear patterns.
- Seized brake sliding pins and corroded caliper housings
- Rusted brake rotors seized to the hub
- Damaged suspension components
- Cross-contaminated or boiling brake fluid
- Incorrect brake pad application
- Missing anti-vibration damper plates
- The bedding-in procedure wasn’t followed
Our Recommendations
To address and rectify the issue of brake noise due to incorrect brake pad fitment, the following recommendations are proposed:
1. Training and Education
Provide comprehensive training to automotive technicians and mechanics regarding proper brake pad installation procedures and adherence to manufacturer guidelines.
2. Quality Control Measures
Implement stringent quality checks during brake pad installations to ensure correct fitment and alignment.
3. Use of Bosch Parts
Strictly adhere to using manufacturer-recommended or approved brake pads to prevent compatibility issues.
4. Customer Awareness
Educate vehicle owners about the importance of using certified service centres and Bosch parts for brake system maintenance.
Bedding-in Bosch Brakes
When new pads and brake discs are fitted, the most important thing you can do to prevent problems is to properly bed the brakes. This critical step is the initial transfer of friction material from the pad to the disc forming a smooth, uniform layer. It establishes a foundation that’s essential for proper brake performance. It minimizes the chance of laying down uneven, random patches of friction material, which will be felt as vibration when the brakes are applied.
Basic Bed-In Procedure (per manufacturer guidelines)
- After installing new disc rotors and/or brake pads, perform 10 to 15 slowdowns, applying moderate pressure from about 50 to 60 kph without coming to a stop.
- Make an additional two or three slowdowns, applying heavy pressure from about 60 to 70 kph without coming to a stop. Do not drag the brakes.
- Allow at least 15 minutes for the brake system to cool down.
- While the car is at rest during cool-down, do not apply the brakes. If you do, material will transfer from the pads to the rotor and probably give you braking vibration.
We hope this information helps clear up any misconceptions about Bosch Brakes. If you experience any issues with Bosch brakes, please don’t hesitate to send us your inquiry along with the relevant details so we can take action
