Lexus GS 2007 3.5 petrol service and maintenance

Engine oil

Engine oil capacity: 7.2 litres (7.6 quarts)
For regular oil change Lexus GS 2007 3.5 petrol takes approx. 6.3 litres of oil, 7.2 litres is total engine oil capacity.
Oil change interval is 10,000 km or one year, whichever comes first.
Recommended oil type (Oil Viscosity Classification SAE) is 5W-20, 5W-30

Air filter

Air filter change interval is 40,000 km.
After prolonged driving in particularly dusty conditions, it is advisable to check the condition of the air filter earlier and replace it if the filter is visibly dirty.

Fuel filter

Lexus GS 3.5 petrol fuel filter change interval is 80,000 km

Spark plugs

Replacement interval for spark plugs is 100,000 km.

Timing chain

There is no manufacturer specified replacement interval for the engine timing chain on Lexus GS 2007 3.5 petrol, expecting it to last until the engine is overhauled.
Based on real life experience, the Lexus GS 2007 350 AWD timing chain change interval is approximately 300,000 km as at this mileage it may become overstretched and require replacement, so it is recommended to check the condition of the chain periodically after this mileage is reached and replace the timing chain if it becomes excessively stretched or if unusual engine noises occur.

Serpentine (drive) belt

Lexus GS 2007 350 AWD serpentine or alternator belt replacement interval is 100,000 km.

Engine coolant

Engine coolant (antifreeze) recommended replacement interval for Lexus GS 3.5 petrol is 160,000 km or 7 years, whichever comes first.