1997 Lexus LX 450FACTORY OEM SERVICE PROCEDURE

Service Intervals & Specifications

REPLACEMENT INTERVALS

Component Months Miles
Air Filter 24 30,000
Coolant 24 30,000
Engine Oil & Filter (1)
Normal Service 6 7500
Severe Service 4 5000
Spark Plugs 24 30,000
Automatic Transmission Fluid (1)
Normal Service (2) (2)
Severe Service 12 15,000
Transfer Case Fluid (1)
Normal Service (2) (2)
Severe Service 24 30,000
Differential Fluid (1)
Front Differential
Normal Service (2) (2)
Severe Service 12 15,000
Rear Differential
Normal Service (2) (2)
Severe Service 12 15,000
Repack Front Wheel Bearings 24 30,000
(1) Different interval is required for normal service and severe service. Severe service is described as trailer towing, police, taxi, local delivery service, operating for short trips in freezing temperatures or operating in dusty conditions.
(2) Service interval is not available at time of publication.
VALVE CLEARANCE ADJUSTMENT INTERVALS

Application Months Miles
LX 450/Land Cruiser (1) 48 60,000
(1) Manufacturer recommends listening for valve noise from excessive valve clearance. Adjust valve clearance if valve noise exists.
BELT ADJUSTMENT (1)

Application New Belt (2) Used Belt
A/C 150 (68) 100 (45)
Generator 132 (60) 88 (40)
(1) Tension In Lbs. (kg) Using Burroughs Tension Gauge.
(2) Used belt is a belt in operation at least 5 minutes.
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.