Toyota 11101-09132 Head Sub-Assy, Cylinder

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First, disconnect the negative battery cable and drain the cooling system. Remove the air intake plenum, intake manifold, exhaust manifold(s), alternator, and power steering pump. Remove the timing belt, camshaft sprockets, and upper idler pulley. Remove the bolts securing the number 3 timing belt cover and disconnect the coolant sensor connectors. Remove the camshaft(s), disconnecting electrical connectors from VVT sensors and the timing oil control valve. Remove the rear cylinder head bolts and move engine wiring harnesses away from the heads. Remove the recessed head bolts, then loosen and remove the remaining bolts. Lift the cylinder head off the engine block. Repeat for the other head. For installation, clean mating surfaces on the cylinder heads and block. Clean the cylinder head bolt holes and threads. Position new gaskets over dowel pins in the block, placing the head on the block without disturbing the gasket. Apply engine oil to the threads of the head bolts and install them in their original locations, tightening finger-tight before following the recommended sequence to tighten the bolts. Tighten each 12-point bolt an additional 1/4-turn and then tighten the recessed bolt. Repeat for the other cylinder head. Complete the remaining installation steps in reverse order, including refilling the cooling system, changing the oil and filter, running the engine, and checking for leaks.

Use a 10 mm hex-head socket bit and a breaker bar to loosen the cylinder head bolts in 1/4-turn increments until they can be removed by hand.

Position the cylinder head gasket on the engine block so that the lot number stamp is on the center upper edge of the gasket facing up.

The mating surfaces of the cylinder heads and block must be perfectly clean when the heads are installed.

Instead of supporting the engine from above, it will have to be supported from below with a floor jack and a block of wood after the pressed steel portion of the oil pan has been removed.