Technician a Says That It Is Common Practice Today in Truck

Multiple Choice

Technician A says that it is common practice today in truck repair facilities to replace a failed differential carrier with a rebuilt/exchange unit rather than to overhaul the unit in-house.Technician B says that when rebuilding differential carriers,it is good practice to measure shim pack thickness on disassembly because it usually speed reassembly times.Who is correct?

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