Technician A says old 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?

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ASE A1 Engine Repair Test — practice the complete quiz, review flashcards, or try a random question.

ASE identifies Engine Repair as an individual service area for certification. The engine repair service area involves the following components:

- General Engine Diagnosis
- Cylinder Head and Valve Train Diagnosis and Repair
- Engine Block Diagnosis and Repair
- Lubrication and Cooling Systems Diagnosis and Repair
- Fuel, Electrical, Ignition and Exhaust Systems Diagnosis and Repair.


Technician A says old 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?