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.
2003 Lexus ES 300FACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Air Cond Compressor Oil | N/A | N/A | PAG 46 | See Underhood Decal. | S | ||
| Air Cond Refrigerant | 1.31 LBS. | 0.59 KG | R-134a | S | |||
| Automatic Transmission Fluid | 3.30 QTS. | 3.12 L | TOYOTA Genuine Automatic Transmission Fluid Type T IV (ATF JWS3309 or NWS6500) | As per TOYOTA TSB TC003-99, dated May 21, 1999, ATF Type T-IV now replaces other Type T fluids. Only ATF Type T can be mixed with Type T-IV fluid. ATF Type T-II and Type T-IV fluid must NOT be mixed. To prevent damage to transmission, determine which fluid type has been used. | S | ||
| Brake Fluid | N/A | N/A | DOT 3 Brake Fluid | S | |||
| Engine Coolant | 9.70 QTS. | 9.17 L | TOYOTA Long Life Coolant or equivalent | DO NOT use plain water alone. | S | ||
| Engine Oil | Drain and Refill,w/Filter | 5.00 QTS. | 4.73 L | API - SAE 5W-30 | API - SL "Energy-Conserving" or ILSAC multigrade engine oil. | S | |
| Engine Oil | Drain and Refill,w/o Filter | 4.80 QTS. | 4.54 L | API - SAE 5W-30 | API - SL "Energy-Conserving" or ILSAC multigrade engine oil. | S | |
| Fuel Tank | 18.50 GALS. | 70.03 L | S | ||||
| Power Steering Fluid | N/A | N/A | Automatic Transmission Fluid DEXRON II or III | S | |||
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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