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2025/2026 mi SOS HVAC study set Questions and Answers with
100% Complete Solutions UPDATED!!!
what replaced r134a - ANSWER 1234yf
popping and clicking sound behind dash - ANSWER blen door
plastic gears
what make the compressor slip - ANSWER air gap too big
what will cause blen door to go bad - ANSWER bad gear teeth
only defrost works - ANSWER mode door
what happens when 50/50 is mixed - ANSWER boiling point
rises, freezing point lowers
at 90 and 90, pressures read 240 and 42 - ANSWER normal
2025/2026 mi SOS HVAC study set Questions and Answers with
100% Complete Solutions UPDATED!!!
what replaced r134a - ANSWER 1234yf
popping and clicking sound behind dash - ANSWER blen door
plastic gears
what make the compressor slip - ANSWER air gap too big
what will cause blen door to go bad - ANSWER bad gear teeth
only defrost works - ANSWER mode door
what happens when 50/50 is mixed - ANSWER boiling point
rises, freezing point lowers
at 90 and 90, pressures read 240 and 42 - ANSWER normal