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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Servicing >> Lubrication >> Service Intervals

Service Intervals

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Under normal driving conditions, inspect transmission fluid every 30,000 miles. Under severe conditions such as trailer towing, police, taxi, local delivery service or operating under dusty conditions, replace transmission fluid every 60,000 miles.