After DIY brake pad replacement, front brake caliper seizes and does not release, causing overheating, vibration, and smoking, with no clear cause found.
Existing diagnostic guides and forum advice are insufficient for a novice mechanic to identify an internal caliper seal failure that doesn't show up in basic checks (slide pins, piston movement under no load).
Workarounds Described
- uses C-clamp to force piston back manually for clearance
Implied Software Gaps
- Mobile diagnostic app that guides through load-dependent piston test and internal seal diagnosis
Brake Detective Pro
A mobile diagnostic app that guides DIY mechanics through symptom-based troubleshooting for brake issues. It uses a structured interview and step-by-step tests (including a 'bleeder open test' and load-dependent piston check) to pinpoint root causes like internal seal failure, even for rare cases. The app provides visual diagrams, torque specs, and repair videos, and logs history for future reference.
- Symptom-guided diagnostic tree with yes/no questions
- Custom calculator for pad thickness vs. vehicle specs
- Video walkthroughs for specific tests (e.g., hydraulic lock test)
- Part identification and cross-referencing (OEM/aftermarket)
- Auto-save diagnostic session with notes and photos
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