OEM Audi Brake Calipers
Caliper Assembly Bleeder Screw
Bracket Screw
Disc Brake Pad Retaining Clip
Brake Hose Bolt
Bleeder Valve
ABS Wheel Speed Sensor Wiring Harness Bolt
Caliper
Caliper
Caliper
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Maintaining Brake Calipers for a Safe Ride
Brake calipers are the heart of the hydraulic stopping system on your Audi S5. These heavy metal housings wrap around the spinning rotor, converting pressurized brake fluid into mechanical force. The pistons forcefully shove the friction pads against the iron disc to decelerate the vehicle.
How to Check Your Brake Calipers for Wear
1. Visual Leak Check
Look closely at the rubber piston dust boot to ensure it is free of wet fluid.
2. Inspect Pin Sliding
Examine the floating bracket by grabbing the caliper and confirming it moves slightly side-to-side.
3. Check For Dragging Heat
Ensure the wheel isn't radiating burning heat after a calm highway commute.
4. Verify Bleeder Integrity
Gently inspect the top bleeder screw confirming massive rust hasn't welded it shut.
5. Review Braking Pull
Test the brakes firmly at highway speeds to ensure the car doesn't pull sideways.
Common Brake Caliper Issues and Quick Fixes
Catastrophic Piston Seizing
Replace the frozen brake calipers entirely to restore a completely smooth retracting pad.
Deep Pad Dragging
Inspect the worn brake rotors and utilize a new caliper if the pad was constantly grinding.
Bleeder Screw Snapped
Utilize a drill extractor very carefully or simply replace the ruined caliper housing.
Leaking Piston Seals
Ensure you are buying a complete new loaded caliper rather than attempting a messy rebuild.
Frequently Asked Questions
- Do OEM brake calipers come with pads?
- No, genuine calipers are typically sold as bare housings requiring separate pad purchase.
- Can I buy a rebuilt brake caliper?
- Generic rebuilds utilize cheap seals that blow out instantly during panic braking.
- Will a bad caliper ruin my rotor?
- If the rigid piston seizes, it will constantly drag the pad and superheat the rotor.
Order affordable Audi calipers and other brake parts from Audi OEM Parts Online. Need assistance? Contact our team today for help.