PRO TECHNICIAN

Inspect Refrigerant Charge Amount

Inspect for Gas Leak

2. Check procedure
Place the gas leak tester probe adjacent to a pipe connection, part, A/C unit, drain hose or A/C blower vent.
 
HINT:
Ensure the engine is not running during this test.
Since refrigerant is slightly heavier than air, postion the tester probe on the lower side of any component under test.

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