2023 Edition

ASE G1 Practice Test

Take this free ASE G1 practice test with fully explained answers and instant scoring.  It is based on topics in the real exam. 

ASE identifies auto maintenance and light repair as an individual service area. The auto maintenance and light repair service area involves the following components: Engine Systems, Automatic Transmission/Trans-Axle, Manual Drive Train and Axles, Suspension and Steering, Brakes, Electrical and HVAC.

The free sample ASE G1 Practice Test below consists of 15 questions organized within the 7 sections. It was written by Dr. John Kershaw, an ASE test prep expert: ASE test question developer; ASE Certified Master Technician; ASE Master Truck Technician; and Auto Industry Technical Instructor.  Dr. Kershaw was among the first to receive ASE certification in 1972. 

For the complete practice test, flash cards, test review and testing tips, check out:

Engine Systems

1. A tight timing belt makes what type of noise?
2. Two technicians are explaining radiator cap service. Technician A says a radiator cap is tested using a cooling system pressure tester. Technician B says when the radiator cap does not hold enough pressure, you can replace the cap gasket. Who is right?

Automatic Transmission/Trans-Axle

3. A vehicle with an electronically controlled automatic transmission is being road tested for poor shifting. What should be done before doing a road test?
4. Technician A says the auxiliary automatic transmission oil cooler is a small radiator separate from the engine radiator. Technician B says that if the automatic transmission oil cooler lines are found to be leaking, they are first tightened to specifications. Who is right?

Manual Drive Train and Axles

5. A RWD (rear wheel drive) transmission has a leaking output shaft seal on a vehicle with 25,000 miles on the odometer. The MOST likely cause for the leakage is:
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6. Of the following, when replacing a CV (constant velocity) joint or boot, what is the last step before clamping the boot?

Suspension and Steering

7. This question has the word EXCEPT. For this question, look for the choice that would NOT fit the described situation. Read the entire question carefully before choosing your answer. Close visual inspection of the power steering serpentine belt can reveal all the following, EXCEPT:
8. Steering dampers can be used to reduce excessive __________.
9. A technician is rotating the tires using the modified X-method of tire rotation on a front-wheel-drive vehicle. Where should be the right front wheel placed?


10. A spongy brake pedal may be caused by which of the following?
11. Why are drum brakes adjusted?


12. The open circuit voltage (OCV) test on a fully charged battery should show which voltage?
13. The starter motor was recently replaced and now makes a whining noise when starting. Which of the following is the MOST likely cause?
14. Why should you never touch the tip of a halogen bulb?


15. This question has the word EXCEPT. For this question, look for the choice that would NOT cause the described situation. Read the entire question carefully before choosing your answer. All of the following cause compressor drive belt edge wear, EXCEPT:

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Quality starts with who wrote the material.
Our practice exam writer
Written by:
Dr. John Kershaw
ASE Test Prep Expert

ASE Test Question Developer

ASE Certified Master Technician

ASE Master Truck Technician

Auto Industry Technical Instructor

Among first ASE Certified in 1972
Actual ASE A6 Topics

• General Electric/Electronic 
• Battery and Starting Systems
• Charging Systems
• Lighting Systems
• Instrument Cluster/ Driver Info.
• Body Electrical Systems 


Number of Questions on the Actual ASE A Series Tests

A1 – Engine Repair (60)
A2 – Automatic Transmission/Transaxle (60)
A3 – Manual Drive Train & Axles (50)
A4 – Suspension & Steering (50)
A5 – Brakes (55)
A6 – Electrical/Electronic Systems (60)
A7 – Heating & Air Conditioning (60)
A8 – Engine Performance (60)
A9 – Light Vehicle Diesel Engines (60)