How Often Should Stabilizer Bar Bushings Be Replaced?

[GabrielDella]

There is no fixed replacement interval for stabilizer bar bushings; they should be replaced when the vehicle produces excessive noise over bumps. The working principle of the stabilizer bar is: when both left and right wheels pass over the same road bump, the stabilizer bar does not function. However, if the left and right wheels pass over different bumps, it causes the bar to twist, generating anti-roll resistance to suppress body roll. Symptoms of damaged stabilizer bar bushings include: 1. Incorrect wheel alignment, requiring a four-wheel alignment; 2. Uneven tire tread patterns or tread depths on both sides; 3. Unequal tire pressure on both sides, which can cause tires to become uneven in size, leading to pulling during rolling; 4. Deformed front shock absorber springs with inconsistent damping on both sides, which can be checked by pressing or comparing after removal to assess the condition of the shock absorber springs.