Which of the following statements is LEAST-Likely true?
A. Ethylene glycol coolant is mixed with purified water until its concentration is correct.
B. When coolant strength has been allowed to become weak or additives are depleted, a coolant flush and change is recommended.
C. Draining off a quart of coolant and adding straight coolant can weaken a slightly weak concentration.
D. Coolant in too high a concentration can be further diluted with purified water.
Answer: C
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