Jeep 68292424AA Head-Engine Cylinder

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Lift the heads off the engine using a block of wood or by striking a wood block with a hammer. Store the heads on blocks of wood.

When installing the cylinder head, ensure that the mating surfaces are clean and free of debris. Place the new gasket over the dowel pins and carefully position the cylinder head on the engine block.

Finally, the timing chain guides, timing chains, and timing chain sprockets are installed, and the cooling system is refilled, with engine oil and filter changed, before starting the engine to check for oil and coolant leaks.

Disconnect the exhaust pipe from the turbocharger, remove the viscous fan and drive assembly, and raise the engine with support or a hoist. Remove the right engine mount through-bolt and the engine mount itself. Disconnect the turbo oil drain fitting and seal the openings. Disconnect the air intake temperature sensor wiring, remove the air filter housing and snorkel, and tape the open turbo port. Disconnect heater hoses, oil supply line, and coolant lines from the turbocharger, sealing the openings. Remove the EGR cooler, exhaust manifold with the turbo attached, fan and shroud assembly, and the drive belt. Lower the alternator, disconnect the upper radiator hose, and label and disconnect all wiring attached to the cylinder head. Remove the engine oil dipstick tube bolt, air intake housing, pump-to-fuel rail line, fuel rail-to-head lines, and fuel line shield. Remove the fuel injectors and rocker housing.