Home » John Deere » 1025R » 1023E, 1025R and 1026R – Remove and Install Cylinder Head

1023E, 1025R and 1026R – Remove and Install Cylinder Head

[1] – Remove air cleaner and air cleaner mounting bracket.

[2] – Remove rocker arm assembly. (See Remove and Install Rocker Arm Assembly and Push Rods in this group.)

[3] – Remove exhaust manifold. (See Remove and Install Exhaust Manifold in this group.)

[4] – Remove water pump. (See Remove and Install Water Pump in Section 20, Group 10.)

[5] – Remove coolant recovery tank and mounting bracket from cylinder head.

[6] – Remove coolant temperature sensor wire from sensor.

[7] – Shut off fuel valve on fuel filter.

[8] – Remove high-pressure fuel lines and fuel leak-off line running from fuel injection pump to nozzles.

[9] – Disconnect glow plug wiring harness from engine harness.

[10] – Remove cylinder head cap screws.

[11] – Using lift brackets and hoist, pull head straight up from block.

[12] – Remove and discard gasket.

[13] – Disassemble and inspect cylinder head and valves. (See Recondition Cylinder Head in this group.)

[14] –

Clean all threads in top of cylinder block with a flat bottom tap, and blow debris from hole.

[15] – Clean top of cylinder block and check for flatness.

[16] –

Place a new cylinder head gasket on cylinder block with locating pins on front and rear of block inside holes in gasket. Align oil port on left rear of block with oil port in gasket.

[17] – Install cylinder head.

[18] – Clean threads of cylinder head cap screws and dip in clean oil. Install all cap screws finger tight.

[19] – Tighten cap screws in sequence shown according to specifications.

[20] – Remove lift brackets.

[21] – Connect glow plug wiring harness to engine harness.

[22] – Install high-pressure fuel lines and fuel leak-off line running from fuel injection pump to nozzles.

[23] – Open fuel valve on fuel filter.

[24] – Install coolant temperature sensor wire to sensor

[25] – Install coolant recovery tank and mounting bracket.

[26] – Install water pump. (See Remove and Install Water Pump in Section 20, Group 10.)

[27] – Install exhaust manifold. (See Remove and Install Exhaust Manifold in this group.)

[28] – Install rocker arm assembly. (See Remove and Install Rocker Arm Assembly and Push Rods in this group.)

[29] – Install air cleaner and air cleaner mounting bracket.