[55A] HEATER, AIR CONDITIONER AND VENTILATION - - ON-VEHICLE SERVICE - SIGHT GLASS REFRIGERANT LEVEL TEST | PRINT PAGE / INDEX / PRIOR / NEXT

ON-VEHICLE SERVICE

| SIGHT GLASS REFRIGERANT LEVEL TEST Start the engine. Operate the air-conditioner, and then set the temperature to maximum cooling. Hold the engine speed at 1500 r/min.
| Check the refrigerant level (bubble state) through the sight glass. CAUTION Use the low-pressure service valve.
Items | State
--- | ---
Insufficient | Many bubbles are seen. If refrigerant is extremely low, it appears white.
Sufficient or excess refrigerant | No bubbles are seen.
NOTE: If insufficient, replenish the refrigerant as follows. Replenish until bubbles disappear from the sight glass. After the bubbles disappear from the sight glass, replenish 100 g of refrigerant. If excessive, replenish the refrigerant as follows. Drain the refrigerant until bubbles can be seen through the sight glass. Replenish until bubbles disappear from the sight glass. After the bubbles disappear from the sight glass, replenish 100 g of refrigerant.

[55A] HEATER, AIR CONDITIONER AND VENTILATION - - ON-VEHICLE SERVICE - SIGHT GLASS REFRIGERANT LEVEL TEST | PRINT PAGE / INDEX / PRIOR / NEXT

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