Attention! The air conditioning system is constantly under high pressure. Never disconnect the refrigerant lines or remove system components without first unloading the refrigerant from the system. The unloading of refrigerant from the air conditioning system must be carried out by a dealer service department or an automotive air conditioner specialist using an appropriate service station designed to unload / process refrigerant and comply with environmental legislation. Always wear protective goggles when disconnecting the refrigerant lines!
Warning. The receiver dryer should be replaced every time the compressor is replaced.
1. Unload the refrigerant by contacting an automotive air conditioner specialist.
2. Disconnect the ground wire from the battery (see paragraph 1 of chapter 5).
3. Remove the drive belt from the compressor (see chapter 1).
4. Remove the lower protection from under the engine compartment (in the presence of) (see chapter 2).
5. On 2003 and earlier Lexus models, remove the alternator (see chapter 5).
6. Disconnect the electrical connector and disconnect the refrigerant lines (fig 14.6).
Pic. 14.6. Compressor (shown model with KB engine, for other models similarly)
1 - Fittings of refrigerant lines
2 - Electrical connector
3 - support bracket
4 — Fastening elements
7. Turn out bolts and remove the compressor from the car (pic. 14.6).
8. If a new or remanufactured compressor is being installed, follow the correct oil level instructions provided with the compressor prior to installation.
9. Installation is carried out in the reverse order of removal. Replace all O-rings with new ones specially designed for this purpose and lubricate them with compressor oil.
10. Evacuate the system, charge it with refrigerant and check for leaks. To do this, contact a specialist in automotive air conditioning.