Terminology / Summary / Quiz--DIAGNOSTIC EQUIPMENT + SPECIAL TOOLS

TERMINOLOGY

Ammeter, Ball hone, Boring bar, Brush hone, Compression gauge, Connector pick, Continuity tester, Cylinder hone, Cylinder leakage tester, Dial bore gauge, Digital multimeter (DMM), Dual-trace, Dynamometer, Glaze breaker, Hydrometer, Inclinometer, Insulation resistance tester, Lab scope, Lineman's gloves, Logic probe, Manifold gauge set, Multimeter, Noid light, Ohmmeter, Pressure gauge, Pyrometer, Ridge reamer, Ring compressor, Ring expander, Ring groove cleaner, Scan tool, Spark tester, Stethoscope, Tachometer, Testlight, Thermometer, Timing light, Torque angle gauge, Trace, Transient voltage, Vacuum, Valve spring compressor, Valve spring tester, VAT, Voltmeter, Waveform

SUMMARY

• Common diagnostic tools used to check an engine and its related systems include a compression gauge, cylinder leakage tester, oil pressure gauge, stethoscope, dial bore indicator, valve spring tester, cooling system pressure tester, coolant hydrometer, engine analyzers, fuel pressure gauge, injector balance tester, injector circuit test light, vacuum gauge, vacuum pump, vacuum leak detector, spark tester, logic probes, pyrometers, and exhaust analyzers.
• Common tools used to service an engine and its related systems include transaxle removal and installation equipment, ridge reamer, ring compressor, ring expander, ring groove cleaner, cylinder deglazer, cylinder hone, boring bar, cam bearing driver set, V-blocks, valve and valve seat resurfacing equipment, valve guide repair tools, valve spring compressor, torque angle gauge, oil priming tool, a coolant recovery and recycle sys tem, fuel injector cleaners, fuel line tools, pinch off pliers, timing light, and spark plug sockets.
• Some of the common diagnostic tools for electronic and electrical systems include a testlight, continuity tester, voltmeter, ohmmeter, ammeter, volt/ampere tester, DMM, lab scope, scan tools, and battery hydrometer.
• Common electrical and electronic system service tools include a computer memory saver, wire and terminal repair tools, headlight aimers, static straps, and sensor tools.
• The tools required to work on hybrid vehicles are the same as those used on a conventional vehicle with the addition of tools designed for high volt ages, such as linemen's gloves, CAT III test equipment, and insulation resistance testers.
• Diagnostic tools for a vehicle's drivetrain include a drive shaft angle gauge and hydraulic pressure gauge set.
• Tools required to service the drivetrain include transaxle removal and installation equipment, transmission/transaxle holding fixtures, transmission jack, axle pullers, special tool sets, clutch alignment tool, clutch pilot bearing/bushing puller/installer, and universal joint tools.
• The various diagnostic tools used on a vehicle's running gear include a tire tread depth gauge, power steering pressure gauge, wheel alignment equipment, brake disc micrometer, and drum micrometer.
• Some of the common tools used to service a vehicle's running gear include control arm bushing tools, tie-rod end and ball joint pullers, front bearing hub tool, pitman arm puller, tie-rod sleeve adjusting tool, steering column special tool set, shock absorber tools, spring/strut compressor tool, power steering pump pulley special tool set, brake pedal depressor, tire changer, wheel balancer, wheel weight pliers, brake cleaning equipment and containment systems, holddown spring and return spring tools, boot drivers and pliers, caliper piston removal tools, drum brake adjusting tools, brake cylinder hones, tubing tools, brake shoe adjusting gauge, brake lathes, bleeder screw wrenches, and pressure bleeders.
• Common tools used to check a vehicle's heating and air-conditioning system include a manifold gauge set, a service port adapter set, an electronic leak detector, a fluorescent leak tracer, and a thermometer.
• Tools used to service air-conditioning systems include a refrigerant identifier, refrigerant charging station, refrigerant recovery and recycling sys tem, compressor tools, and hose and fitting tools.

QUIZ:

1. What are the two types of testlights and how do they differ?

2. True or False? Knurling is used to repair worn valve guides by increasing the inside diameter of the guide.

3. Name the two basic types of compression gauges.

4. What tool is used to test engine manifold vacuum?

5. Which of the following statements is not true?

a. Exhaust analyzers allow a technician to look at the effectiveness of a vehicle's emission control systems.

b. Most exhaust analyzers measure HC in parts per million or grams per mile.

c. CO is measured as a percent of the total exhaust.

d. Emission controls greatly alter O2 and CO2 emissions.

6. Technician A says that a brake disc micrometer has pointed anvils. Technician B says that a brake drum micrometer is a large inside micrometer that is read like any other micrometer. Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

7. Technician A says that a pyrometer measures temperature. Technician B says that a thermometer measures temperature. Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

8. True or False? A lab scope is a visual voltmeter that shows voltage over a period of time.

9. When using a voltmeter, Technician A connects it across the circuit being tested. Technician B connects the red lead of the voltmeter to the more positive side of the circuit. Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

10. Technician A uses a digital volt/ohmmeter to test voltage. Technician B uses the same tool to test resistance. Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

11. Technician A says that a charging station removes old refrigerant and recharges an A/C system.

Technician B says that a charging cylinder meters out the desired amount of refrigerant by weight.

Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

12. Which of the following statements about manifold gauge sets is not true?

a. An adapter is required for using R-12 gauges on an R-1134a system.

b. A manifold gauge set is used when discharging, charging, and evacuating and for diagnosing trouble in an A/C system.

c. The gauge manifold is designed to control refrigerant flow. When the manifold test set is connected into the system, pressure is registered on both gauges at all times.

d. R-134a service hoses have a black stripe along their length, the low-pressure hose is blue, and the high-pressure hose is red.

13. True or False? A brake shoe adjusting gauge is an inside-outside measuring device used to initially adjust the expanse of brake shoes before the brake drum is installed.

14. When conducting an oil pressure test: Technician A says that lower than normal pressure can be caused by a burned intake valve. Technician B says that lower than normal oil pressure can be caused by excessive engine bearing clearances.

Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

15. Which of the following conditions can be revealed by fuel pressure readings?

a. faulty fuel pump

b. faulty fuel pressure regulator

c. restricted fuel delivery system

d. all of the above

16. Technician A uses a high-impedance testlight on the high-voltage systems in hybrid vehicles.

Technician B uses only CAT-III test instruments to check high-voltage systems. Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

17. Technician A says that a sulfated and plugged fuel injector is caused by electrical problems.

Technician B says that a sulfated and plugged fuel injector can be cleaned. Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

18. The tests conducted by a scan tool can also be done by some .

a. fuel injector pulse testers

b. exhaust analyzers

c. engine analyzers

d. digital volt/ohmmeters

19. When using a fuel injector pulse tester, Technician A says that little or no pressure drop indicates a plugged or defective injector. Technician B says that no pressure drop indicates an overly rich condition. Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

20. It’s much easier to test current using an ammeter equipped with a(n) .

a. continuity tester c. inductive pickup

b. carbon pile d. tachometer

21. While discussing a clutch alignment tool: Technician A says that the part of the tool that fits into the clutch plate must have a slightly larger OD than the bore in the disc. Technician B says that the OD of the tool that goes into the pilot must be slightly smaller than the ID of the pilot bushing.

Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

22. True or False? The angle of the drive shaft at the transmission should equal its angle at the drive axle.

23. Technician A says that ball joints may be pressed into the control arm. Technician B says that ball joints may be riveted to the control arm. Who is correct?

a. Technician A c. Both A and B

b. Technician B d. Neither A nor B

24. Which of the following is not a suitable way to bleed a hydraulic brake system?

a. manual bleeding

b. bench bleeding

c. pressure bleeding

d. vacuum bleeding

25. Hydraulic pressure gauges are used to diagnose all of these, except:

a. power steering systems

b. automatic transmissions

c. hydraulic-boost brake systems

d. engine compression

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