Cylinder Head, Removing And Installing: Removing

Depending on the model preliminary work may be required. Refer to CYLINDER HEAD, REMOVING AND INSTALLING [CVKB, DBPA, CWNA, CVLA, DEMA, DHDA] .

-- Disconnect the ground cable from the battery terminal. Refer to BATTERY, DISCONNECTING AND CONNECTING .

-- Remove the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .

-- Remove the Throttle Valve Control Module -GX3-. Refer to THROTTLE VALVE CONTROL MODULE -GX3-, REMOVING AND INSTALLING .

-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .

-- Remove the nut -arrow- and move the bracket -1- and wiring harness to the side.

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-- Remove the bolt -2-.

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-- Remove the bolt -1- and then remove the oil return hose.

-- Remove the heat shield -arrows-.

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-- Remove the bolt -2- and the oil supply line.

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-- Remove the nuts -arrows-, and remove the turbocharger from the stud bolts.

-- Remove the right coolant pipe bolts -arrows-.

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-- Remove the connectors -2 and 3- from the bracket and disconnect.

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-- Disconnect the connectors -4 and 5-.

-- Remove the bolts -1- from the bracket.

-- Disconnect the connectors -1, 2 and 3-.

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-- Remove the nut -2- and bolt -1- and remove the intake manifold support.

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-- If necessary, release and disconnect the connector for the Fuel Pressure Sensor -G247- with the :T10118  .

Fig 1: Locating Fuel Pressure Sensor

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Vehicles with Generator:

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-- Disconnect the connectors and free up the wires.

1  - For Oil Pressure Switch -F22- -2-

3  - For Reduced Oil Pressure Switch -F378- -4-

5  - For Piston Cooling Nozzle Control Valve -N522- -7-

Vehicles with Starter Generator: 

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-- Disconnect The Connectors: 

1. For the Oil Pressure Switch -F22-
2. For the Reduced Oil Pressure Switch -F378-
3. For the Piston Cooling Nozzle Control Valve -N522-

Continuation for All Vehicles: 

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-- Loosen the hose clamp -1- and remove the rear coolant hose.

-- Disconnect the connector -2- for the Engine Coolant Temperature Sensor -G62-.

-- Remove the spark plugs with the :3122B  .

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-- Remove the bolts -arrows-.

Fig 2: Cylinder Head Loosening Sequence

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-- Remove the cylinder head bolts with the :T10070  or :T40270  in the sequence -1 through 10-.

-- Remove the cylinder head.

-- Lay the cylinder head on a soft surface, such as foam.