Refrigerant Oil: Service and Repair

Replenishing Compressor Oil
When replacing air conditioning parts with new ones, it is necessary to replenish oil by the 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 cc oil. When replenishing gas only, oil replenishment is not necessary.

When replacing compressor
Compressor oil is sealed in each new compressor 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.

Amount of compressor oil (when replacing compressor)

"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




When replacing other part
Amount of compressor oil (when replacing other part)