Chrysler 68280502AD Head-Engine Cylinder

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Install new cylinder head bolts and tighten them following the recommended sequence.

The cylinder head, with the camshaft in place and the exhaust manifold attached, should be carefully lifted off the engine block, and any external components should be removed for thorough cleaning and inspection.

Take off the valve covers, rocker arms, and pushrods.

Remove the banjo bolt, sealing washers, and the fuel line from the rear of the head, then remove the fuel injectors. Remove the rocker housing and gasket. Loosen the head bolts in the reverse order of the tightening sequence, inserting each removed bolt into a cardboard template to keep track. Carefully pry between the head and block to break the gasket seal, then lift off the cylinder head, either with an assistant or using an engine lifting hoist. Inspect the head and remove any wiring harnesses or ground cables still attached.

Complete the remaining installation steps, including changing the oil and filter, refilling the cooling system, and priming the fuel filter before starting the engine.

To install the heads, ensure the mating surfaces are clean and free from old gasket material and dirt. Use a gasket scraper and brake cleaner to clean the surfaces. Check for any damage and remove it if necessary. Chase the threads in the head bolt holes and clean the bolt threads.

The initial steps are to relieve the fuel system pressure and disconnect the battery. Drain the cooling system and remove the drivebelt. Take out the PCV and EVAP system components, as well as the cowl.

Install new cylinder head bolts and tighten them following the recommended sequence.

Bolts should be installed in their original locations, tightened finger-tight, and then tightened to the specified torque and angle of rotation, using an angle measurement gauge during the final tightening stages.

After removing the cylinder head, it should be inspected and serviced as necessary. Any damage should be addressed during this phase.

Bolts should be installed in their original locations, tightened finger-tight, and then tightened to the specified torque and angle of rotation, using an angle measurement gauge during the final tightening stages.

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.