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.

1990 Lexus LS 400FACTORY OEM SERVICE PROCEDURE

Fluid Capacities - LS400

FLUID CAPACITIES - LS400

Application		Qts. (L)
Automatic Transmission (T-II ATF or Equivalent)
Dry Fill		7.6 (7.2)
Drain & Refill		2.0 (1.9)
Cooling System (Includes Heater)		11.2 (10.6)
Crankcase (Includes Filter)		5.3 (5.0)
Differential (SAE 80W-90/API GL-5)		1.4 (1.3)

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.

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