ASE A1 Engine Repair Practice Test 2026: Exam Questions & Explained Answers To Pass Fast

Part 1: Basic Diagnostic Procedures00:00:00

Covers initial engine diagnostics, including cylinder leakage tests, compression tests, and basic troubleshooting steps like questioning the customer.

Part 2: Valve Train and Cylinder Head Service00:16:02

Discusses measurements and service procedures for valve springs, valve guides, valve seats, camshafts, and cylinder head flatness.

Part 3: Bottom End and Piston Assembly00:46:24

Details proper procedures for piston ring installation, wrist pin service, crankshaft measurement, and rod bearing inspection.

Part 4: Engine Cooling and Lubrication Systems01:18:12

Examines cooling system components, water pump diagnostics, thermostat operation, and engine oil pressure testing.

Part 5: Advanced Engine Components and Final Review01:36:04

Focuses on intake manifold components, manifold heat control valves, starter motor shim adjustments, and final electrical system troubleshooting.