Question

q14: what step should a technician take after the replacement heater control valve, hose, and clamps are securely in place?
refill the system with coolant
check the system for leaks
bleed air from the cooling system
run the engine to check that the heater control valve is working

Explanation:

After replacing components like the heater control valve, hose, and clamps, it's crucial to check for leaks first to avoid coolant loss and potential damage. Other steps like refilling, bleeding air, or running the engine are done later in the process.

Answer:

Check the system for leaks