What are the main reasons for overheating of automobile brake drums?
Release Time:
2025-04-22
Please try to drive on roads with good conditions, avoid sudden braking and frequent braking, add gear oil of the specified model, and pay attention to the amount added. The bearing clearance needs to be adjusted at the service station.
The main reasons for overheating of automobile brake drums are:
1. Inconsistent clearance between the left and right brake drums and brake pads;
2. Inconsistent tire pressure on the left and right sides;
3. Blockage of the left and right brake lines, leading to different hydraulic or pneumatic pressure on both sides;
4. Brake shoe return spring broken or too soft;
5. Caliper piston sticking, slow return;
6. (Oil brake) Slow return of brake fluid;
7. (Air brake) Brake camshaft does not return;
8. Support pin corrosion;
9. Brake drum out of round;
10. Wheel hub bearing adjusted too tight;
11. Insufficient or excessive gear oil, gear oil viscosity too low.
【Warm prompt】Please try to drive in places with better road conditions, avoid emergency braking and frequent braking, add gear oil of the specified type, and pay attention to the amount added. The bearing clearance needs to be adjusted at the service station.
Treatment method: Please do not pour water on the brake drum to cool it down. Sudden cooling of the brake drum, uneven shrinkage, is easy to cause cracking. When the temperature of the brake drum drops, drive the vehicle slowly to the repair shop for inspection.
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