Lexus 11101-29409 Cylinder Head Sub-Assembly

If a valve binds in the guide, it should be pushed back into the head and the area around the keeper groove should be deburred with a fine file or whetstone.

Valve train components such as lifters, valve springs, spring seats, keepers, and retainers should be cleaned with solvent and dried thoroughly before inspection.

Yes.

Before accessing the cylinder head, you need to remove various components, including the throttle body, fuel injectors, fuel rail, intake manifold, exhaust manifold, timing belt, camshaft sprocket, upper idler pulley, upper rear timing belt cover, camshaft position sensor, camshafts, lifters, alternator, distributor, power steering pump, and various fittings, tubes, cables, hoses, and wires. These components are removed to provide clear access to the cylinder head for removal.