ASE G1 Practice Exam

2023 Edition

ASE identifies auto maintenance and light repair as an individual service area (G1). The auto maintenance and light repair service area involves the following components:

• Engine Systems

• Automatic Transmissions/ Trans-axels

• Manual Drive Train and Axles
• Suspension and Steering
• Brakes
• Electrical
• HVAC

This free sample ASE G1 Practice Test below consists of 14 questions organized within 7 sections.

Tests.com's ASE G1 Practice Test 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, exam review and testing tips, check out Tests.com's 180 question practice test kit.

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View 1 Question at a Time

1.	Two technicians are discussing engine coolant. Technician A says a weak solution of antifreeze may cause corrosion build-up in the cooling system. Technician B says some original equipment manufacturers (OEM) recommend that the coolant be changed at specified intervals. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

2.	The engine water pump is going to be replaced. Which of following is done as part of that repair process?
		a. Drain the engine oil below the oil pump level
		b. Drain the coolant below the water pump level
		c. Drain the coolant from the heater core
		d. Drain the engine oil
Incorrect answer. Please choose another answer.

3.	A CV (constant velocity) joint is being replaced on a front wheel drive vehicle. Which of the following is the proper grease to use with the CV joint?
		a. Grease supplied with boot kit
		b. Black chassis grease
		c. Dark blue EP (Extreme Pressure) grease
		d. Dark Green (Extreme Pressure) EP grease
Incorrect answer. Please choose another answer.

4.	Two technicians are describing automatic transmission/transaxle filter maintenance. Technician A says after the filter is replaced, you can simply install the specified amount of transmission fluid. Technician B says you should add enough fluid to read slightly high on the dipstick and start the engine before adding any more fluid. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

5.	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. All manual transmissions/transaxles require one of the following lubricants, EXCEPT:
		a. SAE 80W-90 (GL-4) gear lube
		b. STF (synchromesh transmission fluid)
		c. ATF (automatic transmission fluid)
		d. SAE 20W40 engine oil
Incorrect answer. Please choose another answer.

6.	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:
		a. excessive bearing wear.
		b. naturally occurring evaporation.
		c. plugged transmission breather filter
		d. poor quality fluid filter
Incorrect answer. Please choose another answer.

7.	A vehicle has a power steering pump noise at idle. Technician A says elongated mounting holes in the power steering pump bracket may be the cause. Technician B says a low fluid level in the reservoir may be the cause. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

8.	Steering dampers can be used to reduce excessive __________.
		a. negative camber
		b. toe-in
		c. negative camber
		d. positive caster
Incorrect answer. Please choose another answer.

9.	A motor home with a hydraulic brake booster has a spongy brake pedal feel. Technician A says there may be air in the master cylinder. Technician B says the power steering belt may be slipping. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

10.	Which of the following methods is the best way to verify a customer concern related to brake warning light?
		a. Interview the customer yourself
		b. Check the vehicle repair history
		c. Operate the vehicle and verify the concern
		d. Check the brake fluid level and condition
Incorrect answer. Please choose another answer.

11.	Technician A says the threads and end caps of the adjusters should be lubricated with lithium grease before being installed. Technician B says starwheel adjusters use the same threads for the left and right sides of the vehicle. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

12.	When using a digital ammeter, the red lead should be connected to what area of the connector?
		a. Side farthest from positive side of battery
		b. Side farthest to negative side of battery
		c. Side closest to positive side of battery
		d. Side closest to negative side of battery
Incorrect answer. Please choose another answer.

13.	The starter motor on a 6-cylinder engine is being tested for current draw. The current draw was measured at between 160-200 amperes during cranking. Technician A says the starter is defective and should be replaced. Technician B says this is normal current draw for a starter motor for a 6-cylinder engine. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

14.	Technician A says refrigerant leaks can be detected by using a black light (infrared) and injecting colored dye into the system and looking for colored stains. Technician B says some OEMs (original equipment manufacturers) install leak check in the refrigerant to help locate leaks. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

1/14

Engine Systems

1.	Two technicians are discussing engine coolant. Technician A says a weak solution of antifreeze may cause corrosion build-up in the cooling system. Technician B says some original equipment manufacturers (OEM) recommend that the coolant be changed at specified intervals. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

2/14

Engine Systems

2.	The engine water pump is going to be replaced. Which of following is done as part of that repair process?
		a. Drain the engine oil below the oil pump level
		b. Drain the coolant below the water pump level
		c. Drain the coolant from the heater core
		d. Drain the engine oil
Incorrect answer. Please choose another answer.

3/14

Automatic Transmission/Trans-Axle

3.	A CV (constant velocity) joint is being replaced on a front wheel drive vehicle. Which of the following is the proper grease to use with the CV joint?
		a. Grease supplied with boot kit
		b. Black chassis grease
		c. Dark blue EP (Extreme Pressure) grease
		d. Dark Green (Extreme Pressure) EP grease
Incorrect answer. Please choose another answer.

4/14

Automatic Transmission/Trans-Axle

4.	Two technicians are describing automatic transmission/transaxle filter maintenance. Technician A says after the filter is replaced, you can simply install the specified amount of transmission fluid. Technician B says you should add enough fluid to read slightly high on the dipstick and start the engine before adding any more fluid. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

5/14

Manual Drive Train and Axles

5.	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. All manual transmissions/transaxles require one of the following lubricants, EXCEPT:
		a. SAE 80W-90 (GL-4) gear lube
		b. STF (synchromesh transmission fluid)
		c. ATF (automatic transmission fluid)
		d. SAE 20W40 engine oil
Incorrect answer. Please choose another answer.

6/14

Manual Drive Train and Axles

6.	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:
		a. excessive bearing wear.
		b. naturally occurring evaporation.
		c. plugged transmission breather filter
		d. poor quality fluid filter
Incorrect answer. Please choose another answer.

7/14

Suspension and Steering

7.	A vehicle has a power steering pump noise at idle. Technician A says elongated mounting holes in the power steering pump bracket may be the cause. Technician B says a low fluid level in the reservoir may be the cause. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

8/14

Suspension and Steering

8.	Steering dampers can be used to reduce excessive __________.
		a. negative camber
		b. toe-in
		c. negative camber
		d. positive caster
Incorrect answer. Please choose another answer.

9/14

Brakes

9.	A motor home with a hydraulic brake booster has a spongy brake pedal feel. Technician A says there may be air in the master cylinder. Technician B says the power steering belt may be slipping. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

10/14

Brakes

10.	Which of the following methods is the best way to verify a customer concern related to brake warning light?
		a. Interview the customer yourself
		b. Check the vehicle repair history
		c. Operate the vehicle and verify the concern
		d. Check the brake fluid level and condition
Incorrect answer. Please choose another answer.

11/14

Brakes

11.	Technician A says the threads and end caps of the adjusters should be lubricated with lithium grease before being installed. Technician B says starwheel adjusters use the same threads for the left and right sides of the vehicle. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

12/14

Electrical

12.	When using a digital ammeter, the red lead should be connected to what area of the connector?
		a. Side farthest from positive side of battery
		b. Side farthest to negative side of battery
		c. Side closest to positive side of battery
		d. Side closest to negative side of battery
Incorrect answer. Please choose another answer.

13/14

Electrical

13.	The starter motor on a 6-cylinder engine is being tested for current draw. The current draw was measured at between 160-200 amperes during cranking. Technician A says the starter is defective and should be replaced. Technician B says this is normal current draw for a starter motor for a 6-cylinder engine. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.

14/14

HVAC

14.	Technician A says refrigerant leaks can be detected by using a black light (infrared) and injecting colored dye into the system and looking for colored stains. Technician B says some OEMs (original equipment manufacturers) install leak check in the refrigerant to help locate leaks. Who is right?
		a. A only
		b. B only
		c. Both A and B
		d. Neither A nor B
Incorrect answer. Please choose another answer.