Why Must Air Be Removed from the A/C System During

Q13: Explain how the Schrader valves are opened

Q14: According to Section 609 of the Federal

Q15: How are manifold gauge service hoses colored?<br>A)low

Q16: Explain what may result if there is

Q17: A loss of _ ounces of R-134a

Q19: What methods are commonly used to locate

Q20: In some states and provinces, a technician 

Q21: The filling level of a refrigerant container

Q22: Large amounts of black dust around the

Q23: _ testing provides a measure of an