ASE A1 // STUDY HOME
ENGINE REPAIR
Compression, leak-down, cooling, lubrication, valvetrain, bottom-end work. The "is the engine healthy?" track — diagnose first, condemn second, teardown third.
ASE A1 EXAM · 45 SCORED QUESTIONS · 75 MIN
A1 READINESS
Not started
Take your first A1 quick test to set your baseline.
RECOMMENDED NEXT
Start with a baseline test
25 questions, 30 minutes. Tells you where you actually stand on A1 before you spend hours studying the wrong topics.
FLAGSHIP SIM · LIVE
A1 Engine Repair Diagnostic
Multi-step diagnostic scenario · 60-point scoring · 15-20 min
A1 Modules
0 live · 10 total
PRACTICE TEST
A1 Practice
50 questions · 75 min
FLASHCARDS
A1 Drill
Quick recall
FULL LIBRARY
All Modules
A1–A9 catalog
A1 Resources
REFERENCE · LIVE
A1 Compression Quick Reference
Variance thresholds, wet test interpretation, leak-down ranges, decision tree. Print-ready.
Open reference →
PHOTO LIBRARY · LIVE
A1 Bearing Failure Library
Six classic bearing failure modes with root cause and repair scope. Click for lightbox zoom.
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REFERENCE · LIVE
A1 Engine Noise ID Card
Sound-to-cause map: knock, tick, rattle, whine, hiss. RPM correlation + the confirm test for each.
Open card →
REFERENCE · LIVE
A1 Oil Pressure & Viscosity
Operating ranges, viscosity-grade decode, low-pressure diagnostic flow.
Open reference →