While performing a wheel seal replacement on this trailer, our specialist tech identified loose brake S-cam shafts. This is a critical finding, since S-cams are responsible for applying and releasing the brake shoes evenly inside the drum.💡 Why loose S-cam shafts are a serious concern:S-cam shafts rotate when air is applied, pushing the brake shoes outward against the drum. When the shafts or bushings develop play, braking becomes uneven and delayed — directly affecting stopping power and safet
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While performing a wheel seal replacement on this trailer, our specialist tech identified loose brake S-cam shafts. This is a critical finding, since S-cams are responsible for applying and releasing the brake shoes evenly inside the drum.💡 Why loose S-cam shafts are a serious concern:S-cam shafts rotate when air is applied, pushing the brake shoes outward against the drum. When the shafts or bushings develop play, braking becomes uneven and delayed — directly affecting stopping power and safet
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These S-cams tell a very clear story — they were never checked or maintained, and now they’re completely worn out. S-cams are not flashy parts, and that’s exactly why they get ignored. But when they aren’t inspected and lubricated regularly, the damage builds up quietly until it’s too late. Worn S-cams lead to: 🔧 Uneven brake application 🔧 Reduced stopping power 🔧 Excessive brake shoe and drum wear 🔧 Brakes that drag or don’t release correctly 🔧 Safety risks and DOT violations This is a per
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