Refrigerant Oil: Service Precautions
Replenishing Compressor OilCAUTION: Be sure to use HFC-134a (R-134a. compressor oil.
When replacing air conditioning parts with new ones, it is necessary to replenish oil by the hose outlet pipe pipe amount supposedly remaining in each part.
When changing gas only
When it is unavoidable to change gas without replacing any component part for engine removal and installation or for some other reason, replenish 20 cu.cm (20 cc. oil. When replenishing gas only, oil replenishment is not necessary.
When replacing compressor
Compressor oil is sealed in each new compressor (1) by the amount required for air conditioner cycle. Therefore, when using a new compressor for replacement, drain oil from it by the amount calculated as follows.
"C" = "A" - "B"
"C": Amount of oil to be drained
"A": Amount of oil sealed in a new compressor
"B": Amount of oil remaining in removed compressor
NOTE: Compressor assembly supplied from factory is filled up with the following amount of oil.
: Compressor oil 99000-99022-00ECompressor oil (DH-PS, 250cc)
Amount of oil in new compressor
Vehicle with dual A/C: 200 cu.cm (200 cc)
Vehicle with single A/C: 150 cu.cm (150 cc)
Amount of compressor oil to be replenished after part replacement
Evaporator: 50 cu.cm (50 cc)
Rear evaporator for Vehicle with dual A/C: 50 cu.cm (50 cc)
Condenser: 30 cu.cm (30 cc)
Receiver/dryer: 10 cu.cm (10 cc)
Hoses: 10 cu.cm (10 cc)
Pipes: 10 cu.cm (10 cc)