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 Car manual preview - 2000 Lexus GS300, GS400 Air Conditioning Repair Manual

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Document Details

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Document Number / Seller:
26985 / Jerry Garcia
File Size:
18.03 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Estimated Download Time:
0.37 Minutes
Delivery Format:
Digital (PDF) - Instant Access
Category:
Car
Brand:
Lexus
Reviewed and Approved:
Jun 27, 2025
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Models Covered & Key Technical Specifications

2000 Lexus GS300, GS400 (RM718U) – Air Conditioning Repair Manual

This is a guide for the Lexus GS300 and GS400 Air Conditioning system. | Air Conditioning Component Library.

  • Engine Coolant Temperature Data: 91°C (196°F) establishes the minimum operational engine coolant temperature Threshold.
  • Refrigerant Pressure Parameters: For system diagnostics, 1.520 kPa (15.5 kgf/cm2, 220 psi) requires careful monitoring Benchmarks.
  • Drive Belt Specifications: The drive belt tensioner requires a specific range for optimal operation Configuration.
  • Air Conditioning System Logic: The system controls ambient temperature sensor inputs for efficient cooling Mapping.
  • Power Window Operation Data: 10 N-m (100 kgf·cm, 7 ft·lbf) signifies the standard torque for hose connections Requirements.
  • System Voltage Range: Battery voltage indicates the electrical system's operational capacity Range.

Professional Workshop Service Manual & Technical Specifications

Air Conditioning System Manual: Lexus GS300, GS400 (1998-2005) Chassis-Documentation

Year-Coverage: 1998-2005 // Operational-Scope: Air Conditioning / Climate Control Logic // Year-Coverage: 1998-2005.

Service-Nexus Parameters Logic
System Precautions Air Conditioning Diagnosis
Component Locations Drive Belt Inspection
Evacuating Refrigerant Lines Testing
Charging Condenser Maintenance
Automatic Transmission Power Window Control Theft Deterrent System

Maintenance information covers essential procedures for the Lexus GS300 and GS400 air conditioning system. This manual documents the function of various integrated components, including sensors, actuators, and control modules. It outlines the steps for system evacuation, charging, and inspection, providing clear diagrams for component identification and location. Testing requirements are specified for key operational parameters to ensure proper function. Clearance measurements are detailed for critical components to facilitate correct installation and prevent damage. Troubleshooting guidance is provided for common issues, aiding in efficient diagnosis and repair.

This manual documents torque specifications for various connections to ensure proper axial load stability.

FAQ

What are the **correct** service interval parameters for the air conditioning system? keyboard_arrow_down

10 N-m (100 kgf·cm, 7 ft·lbf) is the specified torque for hose connections, ensuring proper sealing and preventing refrigerant leaks. Regular inspection is recommended.

What **documented** procedures are specified for system architecture? keyboard_arrow_down

Pages 15-22 detail the component locations and removal/installation procedures for the air conditioning unit, blower motor, and various sensors, outlining the system architecture.

Determine the **precise** tool requirements for refrigerant handling. keyboard_arrow_down

Specific tools like a manifold gauge set (pages AC-17, AC-24) and a vacuum pump are required for accurate refrigerant handling and system evacuation procedures, as detailed on page AC-10.

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Reviews (5)

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The step-by-step instructions are easy to follow. I was able to fix my suspension issues without any issues!
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I appreciate the lifetime guarantee for downloads. The support team was also professional and responsive when I had questions.
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I found this manual to be incredibly comprehensive. It covers everything from engine to electrical systems. Well worth the price!
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This manual has been a lifesaver for my GS300. The detailed steps made repairs so much easier! Highly recommend!
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The download process was seamless, and I received the manual within minutes. Customer support was quick and helpful!