Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSLEXUS2004GS 300REPAIR AND DIAGNOSISQUICK LOOKUPSCOMMON SPECS & PROCEDURESAIR CONDITIONINGAUTOMATIC SYSTEMSERVICE SPECIFICATIONS
2004 Lexus GS 300
Service Specifications
2004 Lexus GS 300SECTION Service Specifications
AIR CONDITIONING SPECIFICATIONS
| Application | Specification | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Compressor Type | (1) | |||||||||
| Compressor Belt Tension | (2) | |||||||||
| Compressor Oil Capacity | (3) 4.1 ozs. | |||||||||
| Refrigerant (R-134a) Capacity | 19.4-22.9 ozs. | |||||||||
| System Operating Pressures (4) | ||||||||||
| High Side | 199-213 psi (14-15 kg/cm2 ) | |||||||||
| Low Side | 21-36 psi (1.5-2.5 kg/cm2 ) | |||||||||
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RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.