Mopar 68043811AA Head-Cylinder

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When removing the cylinder heads, it is important to relieving the fuel system pressure and disconnecting the battery. Next, take off the drive belt and drain the cooling system. Take out the PCV and EVAP system components as well as remove cowl. After that, remove intake manifold and exhaust manifolds from cylinder heads. Remove steering pump mounting bolts and move aside pump. Remove valve covers, rocker arms, and push rods.Then slowly loosen head bolts in increments and remove them by hand.Meanwhile use a wooden block or strike a wood block with a hammer.Lift heads off engine by using a block of wood or by striking a wood block with a hammer.Afterwards, place heads on blocks of wood.When installing heads make sure that its mating surface is clean free from old gasket material and dirt.Clean surfaces with brake cleaner after scraping any old gasket material.Use a gasket scraper to scrape any old gasket material off these surfaces before applying brake cleaner on them.Inspect for damage here if necessary.Remember it is important to check thread in head bolt holes as well as cleaning bolt threads accurately.Make sure new gaskets are positioned correctly on dowels in the block.Heads should be carefully placed onto block without disturbing gaskets.Thread engine oil over head bolt threads then put bolts back into their original locations.If you are going to install new head bolts ensure you torque them right otherwise they will not tighten completely.Finally do this procedure but backwards.Add coolant; change oil including filter if installed; start engine to test run for proper operation and leaks.

After that, raise and securely support the front of the vehicle and unbolt the exhaust pipes from the exhaust manifolds.

Complete the remaining installation steps, which include changing the engine oil and filter, and refilling the cooling system. Finally, start the engine and check for leaks and proper operation.

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.

Depending on the cylinder head, you may need to remove other components like the alternator, transmission and oil dipstick tube, air conditioning compressor, or heater core tube. Additionally, the timing chain cover should be removed, and the crankshaft should be rotated to Top Dead Center (TDC).

Before starting, disconnect the batteries' negative terminals and drain the coolant.

Loosen the head bolts in increments and remove them by hand.

The new cylinder head gasket should be positioned over dowel pins on the block, taking note of its orientation.