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
Service Data
SERVICE DATA
| Oil pressure | at idle speed | 29 kPa (0.3 kgf.cm2 , 4.3 psi) or more |
| Β | at 3,000 rpm | 294 - 539 kPa (3.0 - 5.5 kgf.cm2 , 43 - 78 psi) |
| Oil pump | Β | Β |
| Side clearance | Standard Maximum |
0.03 - 0.09 mm (0.0012 - 0.0035 in.) 0.15 mm (0.0059 in.) |
| Tip clearance | Standard Maximum |
0.11 - 0.24 mm (0.0043 - 0.0094 in.) 0.35 mm (0.0138 in.) |
| Body clearance | Standard Maximum |
0.125 - 0.162 mm (0.0050 - 0.0064 in.) 0.30 mm (0.0118 in.) |
| Engine oil | Β | Β |
| Oil capacity | Drain and refill w/ oil filter change Drain and refill w/o oil filter change Dry fill |
4.7 liters (5.0 US qts, 4.1 lmp. qts) 4.5 liters (4.8 US qts, 4.0 lmp. qts) 5.5 liters (5.8 US qts, 4.8 lmp. qts) |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
