Toyota 11101-21030 Head Sub-Assy, Cylinder

You can Select Your Vehicle to check if 11101-21030 fits your vehicle.

Begin by draining the cooling system and removing the cylinder head. Take off the plenum, camshafts, exhaust manifold, and heat shield. Disconnect hoses, plugs, and brackets. Remove the head bolts and washers, then lift off the head. Remove the old gasket and tappets. Clean the head and block, check for warpage. Clean the old bolts and threads. Refit the head, align the dowels and place the new gasket. Tighten the bolts in stages. Follow the reverse steps of removal, ensuring all fasteners are tightened and sealant is cured before starting the engine. Check for leaks after restarting.

Reconditioned cylinder heads can be more cost-effective for home mechanics than reconditioning the original due to the need for specialized tools. The removal process involves, removing the cylinder head and brackets. Storing removed tappets. Using a valve spring compressor to remove split collets. Lightly tap the tool if the spring upper seat sticks. Removing and deburring the valve through the combustion chamber. Removing valve stem seals with pliers. Storing removed valve spring lower seats with springs.

Finally, refit the previously-removed components.

Inspect the cylinder head for cracks, coolant leakage, and other damage.