Preparation 1 before cleaning, the interface is closed or the loss of the ventilation pipe should be excluded. 2, some models between the fan and the evaporator cabin air filter shall be removed.

Refrigerant is refrigerant and automotive air conditioning refrigerant should be ready before the main tool is the vacuum pump and refrigerant tables. These two tools available in different forms, but the features are the same. If you just add refrigerant or refrigerant to the automotive air conditioning booster, you need snow table.

Currently domestic consumers General whether not awareness to prevent car rust of importance, car as world first commodity in future years within with market of constantly declined, production manufacturers to reduced cost, its production of car basically are no do chassis three processing, currently except some more precious of car as Mercedes-Benz BMW bus factory Shi do rust cover outside, other imports car and the domestic car just do has small or completely no do rust cover, General just in chassis spray Shang paint.

HFC-134a is a new environmental type refrigeration agent, chemical name: 1,1,1,2-four fluoride ethane, molecular type: CH2FCF3, has nontoxic, colorless, not burning, not burst, hot stability good, features, chemical nature stable, and CFC-12 (fluoride Lyon) compared, its ozone consumption index (ODP) for 0, refrigeration capacity quite, boiling point-26.15 ℃, is a ideal of fluoride Lyon alternative real.