Brake Caliper Mechanism: Camshaft, Bearings, and Return Spring
Inside the truck air disc brake caliper: how the camshaft, thrust bearings, return spring and automatic adjuster turn push-rod force into pad pressure.
Tagsair disc brake caliper
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Articles
Caliper Tappet & Dust Boot: Function, Failure, Replacement
Caliper tappet and dust boot on truck air disc brakes: what happens when the boot tears, why tappets seize, and how to inspect, measure and replace them.
Caliper Cover, Gasket & Plate: Faults, Replacement, Care
How caliper cover, gasket and plate faults develop on truck air disc brakes, how to diagnose leaks, replace the group correctly and extend its life.
Caliper Pad Retainer & Pad Plate: Faults, Replacement, Care
How the caliper pad retainer and pad plate work on truck disc brakes, symptoms of a fatigued spring, replacement steps and checks that keep wear even.
Caliper Guide Pin, Bushing & Bolt: Faults, Repair, Care
Learn how caliper guide pins and bushings seize, how to diagnose uneven pad wear, and the correct removal, greasing and torque steps for replacement.
Air Disc Brake Caliper: Faults, Replacement & Maintenance Guide
On truck and trailer axles a seized caliper, uneven pad wear or pulling to one side traces to the guide pins or cam mechanism: diagnosis, repair or replacement.
