Inspect, clean, service, or replace battery, cables, and terminal connections. Clean and inspect crankshaft and journals for surface cracks and damage; check condition of oil passages; check passage plugs; measure journal diameters; check mounting surfaces; determine needed service. Technician B says that too little free play could be the cause. Inspect shock absorbers for leaks and mounting. Inspect, test, repair, or replace hand brake trailer control valve, lines, hoses, fittings, and mountings. Inspect, test, and replace cruise control electrical components.
All proceeds go to the expansion and maintenance mdhmotors. Diagnose poor stopping, brake noise, premature wear, pulling, grabbing, dragging, or pedal feel problems caused by disc and drum brake mechanical components; determine needed repairs. Charging System Diagnosis and Repair 7 14% D. Connect diagnostic tool to vehicle; access and verify parameters and calibration settings; perform updates as needed. Go over the sample questions to become familiar with each question type. Perform alternator current output test.
Inspect and replace water pump, housing, and hoses. Verify operation of charging system circuit monitors; determine needed repairs. Inspect, repair, or replace charging circuit connectors, terminals, and wires. Test for exhaust system restriction or leaks; determine needed repair. D sticking throttle position sensor.
Test and diagnose engine performance problems resulting from an undercharge, overcharge, or a no-charge condition; determine needed action. Inspect, repair, or replace air compressor, air inlet supply, oil supply, water lines, hoses, fittings and mounting brackets. Inspect and replace components of locking differential case assembly. Engine Block Diagnosis and Repair 4 questions 1. Diagnose driveshaft and universal joint noise, vibration, and runout problems; determine cause of failure and needed repairs. Clean, inspect, measure, or replace pistons, pins, and retainers. .
Inspect and test coolant; drain, flush, and refill cooling system with recommended coolant; bleed air from cooling system as required. Inspect, adjust, and replace transmission shift lever, cover, rails, forks, levers, bushings, sleeves, detents, interlocks, springs, and lock bolts. Diagnose engine lubrication system problems; perform oil pressure tests; determine needed repairs. Inspect valves, guides, seats, springs, retainers, locks, and seals; determine serviceability and needed repairs. Check ring-to-groove fit and end gaps; install rings on pistons. C The U-joint was not lubricated. Replace parking spring brake chambers; dispose of chambers in accordance with local regulations.
Technician B says that the compression test readings shown above could be caused by wrong valve timing. Your score is based on the number of correct answers that you give, so you should try to answer every question. Other tasks are simple and narrow in scope and one question may cover several tasks. Charge battery using appropriate method for battery type. Inspect and replace brake lines, flexible hoses, and fittings; check for proper routing and mounting.
Inspect alternator, mounting, wiring, and wiring routing. Fuel Systems Diagnosis and Repair A diesel engine with an electronically managed solenoid pump and nozzles has an active diagnostic trouble code for a single cylinder 3 misfire with a rough idle at operating temperature. God bless you for this. Inspect, test, and replace brake relay valves, quick relay valves, and anti-compounding circuits. This list was developed by working technicians and technical experts from across the country and will provide a valuable checklist telling you what to study for the test. The system blows cool, but not cold air.
Tech A is right because you need to apply a light coat of engine oil to new oil seals to help ease them in. With Motor Age test prep manuals, it easier to find the test information you are looking for. Which of the following actions could cause the problem? Air Induction and Exhaust Systems Diagnosis and Repair 6 questions 1. Heating and Engine Cooling Systems Diagnosis and Service 6 15% D. Read the question carefully before choosing your answer. Inspect in-block camshaft bearings for wear and damage; replace as needed. Ignition System Diagnosis and Repair 6 12% F.
Cab and Hood 5 questions 1. Inspect and replace pilot bearing. General Engine Diagnosis 11 questions 1. Perform starting circuit voltage drop tests; determine needed repairs. Inspect, or remove and install two-plate clutch pressure plate, clutch disc, intermediate plate; determine proper clutch torque rating; adjust free play and release bearing position.