2000 Lexus GS300, GS400 Air Conditioning Repair Manual

Service data for GS300 and GS400 models, covering system precautions, component locations, and detailed repair procedures for the HVAC system. PN 00000-00000

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Lexus Automobile manual preview - 2000 Lexus GS300, GS400 Air Conditioning Repair Manual
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Lexus Models Covered & Key Technical Specifications

Models: 2000 Lexus GS300, 2000 Lexus GS400
Sub-models / Variants: Electrical Multi Vision, Except Electrical Multi Vision
Build Years: 2000
Serial Numbers: RM718U
Technical Data:

  • Refrigerant Capacity: 600 ± 50 g (21.16 ± 1.76 oz.)
  • Compressor Lock Sensor Resistance: 570 – 1,050 ohms at 20°C (68°F)
  • Key Interlock Solenoid Resistance: 12 – 17 ohms
  • A/C Refrigerant Pressure (Low Side): 0.15 – 0.25 MPa (1.5 – 2.5 kgf/cm2)
  • A/C Refrigerant Pressure (High Side): 1.37 – 1.57 MPa (14 – 15 kgf/cm2)
  • Specified Compressor Oil: ND-OIL 8 or equivalent
Technical Specifications
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Document Number / Seller:
26985 / Jerry Garcia
File Size:
18.03 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Automobile
Last updated / verified
Apr 15, 2026

Lexus Manual Features & Content Preview

2000 Lexus GS300 and GS400 Air Conditioning Repair Manual

  • The 2000 Lexus GS300 and GS400 air conditioning service manual covers technical maintenance and component disassembly for both the GS300 and GS400 sedan variants
  • Official Lexus publication RM718U, providing factory-authorized data for the 2000 model year cooling systems
  • Features 13 detailed component diagrams for the AC unit, compressor, condenser, and blower motor, alongside specific torque tables for system fasteners
  • Downloads to your account within seconds of checkout
  • File resolution preserves exploded-view detail when printed at original size
  • This specific edition provides the baseline pressure and idle-up speed specifications required for the 2000 Lexus GS300 and GS400 refrigerant charging procedures

Component and System Documentation

The 2000 Lexus GS300 and GS400 air conditioning repair manual documents the removal, disassembly, and installation procedures for the primary thermal management hardware. Sections detail the refrigerant line routing, evaporator housing, and blower motor control relay replacement for both Electrical Multi Vision and standard console configurations. Detailed exploded views illustrate the proper orientation of the expansion valve, compressor mounting, and the specific service valve caps for the 2000 Lexus GS300 and GS400 refrigeration cycle.

Technical Data and Inspection Values

Technical specifications include precise refrigerant fill amounts and pressure benchmarks for diagnostic analysis. Low-side pressure is specified at 0.15–0.25 MPa, while high-side benchmarks reach 1.37–1.57 MPa for a normally functioning system. The compressor lock sensor resistance is documented at 570–1,050 ohms at 20°C. Further what an OEM service publication covers includes torque values for suction and discharge hoses, which are set at 10 Nm across most connections. All service data shown here is for reference only — qualified technicians and the original OEM documentation remain the authoritative source for any hands-on work. This factory-authorized 100-page manual is a specialized reference for the 2000 Lexus GS300 and GS400, providing essential cooling system and blower assembly data for the RM718U production series.

Manual FAQ, Purchase & Download Details

Does this repair manual provide full coverage for the air conditioning systems found in the 2000 Lexus GS300 and GS400 models? keyboard_arrow_down

Document specifically covers the air conditioning system for both the GS300 and GS400 models. It includes detailed component location charts and technical specifications for the cooling assembly and refrigerant circuits.

What refrigerant charging specifications are documented for these Lexus models? keyboard_arrow_down

Manual lists the specific refrigerant charge amount as 600 plus or minus 50 grams for the refrigeration system.

Which system components and reference values are included in the document for the air conditioning unit? keyboard_arrow_down

Guide includes detailed exploded views for the heater radiator, evaporator, and servomotor assemblies. It also lists tightening specifications for various tube and hose connections. Additionally, it contains technical references for compressor oil requirements and O-ring replacements.

Can I find tightening torque values for the refrigerant lines within this service document? keyboard_arrow_down

Document contains a dedicated specification table that lists standard tightening torque values for various hose and tube connections, such as the compressor discharge hoses and evaporator connections.

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