Page 1 of 170
88M RED BOOK TEST ACTUAL EXAM
2026/2027 COMPLETE REAL QUESTIONS
WITH WELL ELABORATED ANSWERS
(CORRECT VERIFIED ANSWERS) LATEST
UPDATED VERSION |GUARANTEED PASS.
(BRAND NEW!) FULL REVISED
Question 1
You are conducting your Before (B) PMCS on an M1083 FMTV.
You find a small amount of engine oil on the ground under the
drain plug. What is the correct action?
A) Ignore it if less than a teaspoon
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B) Tighten the drain plug and mark the leak
C) Notify your supervisor and do not start the engine
D) Add more oil and continue mission
Correct Answer: B
Rationale: Small, slow leaks should be tightened and monitored.
Minor leaks that don’t affect fluid levels can be noted for
correction after mission. Option C is for major leaks.
Question 2
During After (A) PMCS, you discover that the turn signals on
your HMMWV are not working. What DA Form do you use to
report this?
A) DA 2404
B) DA 5987-E
C) DA 348
D) SF 91
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Correct Answer: A
*Rationale: DA Form 2404 (Equipment Inspection and
Maintenance Worksheet) is used to document faults found
during PMCS. DA 5987-E is the PMCS record itself.*
Question 3 (Scenario)
SSG Martinez orders you to conduct a “Through” PMCS on
your PLS truck. The last service was 2,500 miles ago. Based
on standard intervals, what type of PMCS is this?
A) Before (B)
B) During (D)
C) After (A)
D) Weekly (W)
Correct Answer: D
Rationale: “Through” PMCS is typically weekly or at mileage
intervals (e.g., every 1,000–3,000 miles depending on vehicle).
A “Before” PMCS is daily.
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Question 4
Which of the following is NOT a step in the PMCS process?
A) Clean
B) Inspect
C) Test drive at maximum speed
D) Service
Correct Answer: C
Rationale: PMCS includes cleaning, inspecting, servicing, and
lubricating. Test driving may occur but not necessarily at
maximum speed.
Question 5
You find that the coolant level in your LMTV is below the cold
fill line. The engine is still warm. What should you do?
A) Immediately add coolant to the cold fill line
B) Wait until the engine cools, then add coolant
C) Add water instead of coolant
88M RED BOOK TEST ACTUAL EXAM
2026/2027 COMPLETE REAL QUESTIONS
WITH WELL ELABORATED ANSWERS
(CORRECT VERIFIED ANSWERS) LATEST
UPDATED VERSION |GUARANTEED PASS.
(BRAND NEW!) FULL REVISED
Question 1
You are conducting your Before (B) PMCS on an M1083 FMTV.
You find a small amount of engine oil on the ground under the
drain plug. What is the correct action?
A) Ignore it if less than a teaspoon
,Page 2 of 170
B) Tighten the drain plug and mark the leak
C) Notify your supervisor and do not start the engine
D) Add more oil and continue mission
Correct Answer: B
Rationale: Small, slow leaks should be tightened and monitored.
Minor leaks that don’t affect fluid levels can be noted for
correction after mission. Option C is for major leaks.
Question 2
During After (A) PMCS, you discover that the turn signals on
your HMMWV are not working. What DA Form do you use to
report this?
A) DA 2404
B) DA 5987-E
C) DA 348
D) SF 91
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Correct Answer: A
*Rationale: DA Form 2404 (Equipment Inspection and
Maintenance Worksheet) is used to document faults found
during PMCS. DA 5987-E is the PMCS record itself.*
Question 3 (Scenario)
SSG Martinez orders you to conduct a “Through” PMCS on
your PLS truck. The last service was 2,500 miles ago. Based
on standard intervals, what type of PMCS is this?
A) Before (B)
B) During (D)
C) After (A)
D) Weekly (W)
Correct Answer: D
Rationale: “Through” PMCS is typically weekly or at mileage
intervals (e.g., every 1,000–3,000 miles depending on vehicle).
A “Before” PMCS is daily.
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Question 4
Which of the following is NOT a step in the PMCS process?
A) Clean
B) Inspect
C) Test drive at maximum speed
D) Service
Correct Answer: C
Rationale: PMCS includes cleaning, inspecting, servicing, and
lubricating. Test driving may occur but not necessarily at
maximum speed.
Question 5
You find that the coolant level in your LMTV is below the cold
fill line. The engine is still warm. What should you do?
A) Immediately add coolant to the cold fill line
B) Wait until the engine cools, then add coolant
C) Add water instead of coolant
