Es330 - Valve Clearance Adjustment?

[Tommi]

My son recently purchased a 2004 ES330 - about 50,000 mi on odometer. In looking through his owner's manual we noticed the engine has solid lifters, but we couldn't find any recommendations for how often the valve clearances should be checked. Anyone know?

Thanks in advance.

[SW03ES]

This isn't a standard maintenance item I've ever heard of for this vehicle...

[camlex]

Never fix which isn't broke, I have 326,800 and i never touched those lifters

[Lexusfreak]

This isn't a standard maintenance item I've ever heard of for this vehicle...

Same here...