Technician A says that any metal particles regardless of size on the magnetic drain plug can indicate an imminent transmission failure in an Allison.Technician B says that when coolant is present in Allision transmission fluid,the source is usually the oil cooler.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Namrata Nanda · Accepted Answer

Final Answer : B, Explanation :  Technician B is correct because coolant in the transmission fluid often indicates a problem with the oil cooler, which is a common source of such contamination in many types of transmissions, including Allison. Technician A's statement is not entirely accurate because not all metal particles indicate an imminent transmission failure; some amount of fine metallic particles can be normal, especially in a new or recently rebuilt transmission as it wears in.

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