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.

1997 Lexus LX 450FACTORY OEM SERVICE PROCEDURE

Lubrication Specifications

LUBRICATION SPECIFICATIONS

Material

Condition

Specification

Engine Oil ⁽¹⁾

Ambient Temperature Less Than 100°F (38°C) To Over -20°F (-29°C)

SAE 5W-30: API SH

Engine Oil ⁽¹⁾

Ambient Temperature Above 0°F (-18°C) Above 100°F (38°C)

SAE 10W-30: API SH

Engine Coolant

All

Ethylene-Glycol Antifreeze

Transfer Case Oil

All

SAE 75W-90: API GL-4 Or API GL-5

Automatic Transmission Fluid

All

ATF DEXRON III Or D-II

Differential Oil

Ambient Temperature Above 0°F (-18°C)

SAE 90: API GL-5

Differential Oil

Ambient Temperature Below 0°F (-18°C)

SAE 80W or 80W-90 API GL-5

Brake Fluid

All

DOT 3

Wheel Bearing Lubrication

All

Lithium Base Wheel Bearing Grease NLGI No. 2

Steering Knuckles Lubrication

All

Molybdenum-Disulfide Lithium Base Chassis Grease NLGI No. 2

Propeller Shaft Lubrication

All

Lithium Base Wheel Bearing Grease NLGI No. 2

Power Steering Fluid

All

DEXRON II or III ATF

⁽¹⁾	SAE 5W-30 Preferred

Factory Service Tools

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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.