CYLINDER HEAD > REMOVAL

for Preparation Click here

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.

1. Remove the oil filter cap.
   

2. Remove the oil drain plug, and drain the engine oil from the oil pan.
   

   NOTICE:

   Collect the oil in an oil disposal container.

1. Remove the 2 bolts and 2 compression springs.
   

2. Disconnect the front pipe from the outlet pipe and remove the gasket.
   

3. Remove the front pipe from the pipe support.
   

1. Remove the 3 bolts, 2 nuts and cover.
   

1. Disconnect the diesel turbo IAT sensor connector.
   

2. Loosen the 2 hose clamps of the No. 1 air hose.
   

3. Loosen the 2 hose clamps of the No. 2 air hose.
   

4. Remove the 4 bolts and CAC.
   

5. Using a 22 mm deep socket wrench, remove the IAT sensor.
   

   HINT:

   Replace the IAT sensor if it is deformed, cracked or malfunctioning. It is not necessary to replace the IAT sensor each time the CAC is replaced.

6. Remove the 4 bolts, intake air connector and gasket.
   

1. Disconnect the MAF meter connector.
   

2. Loosen the hose clamp.
   

3. Remove the 3 bolts and air cleaner.
   

1. Remove the 3 bolts and oil reservoir.
   

2. Disconnect the No. 1 and No. 2 water by-pass hoses from the tank upper and lower.
   

3. Remove the 2 bolts and radiator reservoir.
   

4. Loosen the 4 nuts holding the fluid coupling fan.
   

5. Remove the drive belt (Click here).
   

6. Remove the 2 bolts holding the fan shroud.
   

7. Remove the 4 nuts of the fluid coupling fan, and then remove the shroud together with the coupling fan.
   

   NOTICE:

   Be careful not to damage the radiator core.

8. Remove the fan pulley from the water pump.
   

1. Remove the fan pulley.
   

1. Remove the 4 bolts and disconnect the cooler compressor.
   

   HINT:

   It is not necessary to completely remove the compressor. With the hoses connected to the compressor, hang the compressor on the vehicle body with a rope.

1. Remove the 4 bolts and mounting bracket.
   

1. Remove the 8 nuts and exhaust manifold w/ turbocharger as shown in the illustration.
   

1. Remove the 2 bolts and stay.
   

NOTICE:

1. After removing the fuel pipe, cover the outlets on the common rail with tape to keep out foreign matter.
   
2. After removing the fuel pipe, put it in a plastic bag to prevent foreign matter from contaminating its injector inlet.
   

1. Remove the 2 nuts and No. 3 injection pipe clamp.
   

2. Remove the bolt and No. 2 injection pipe clamp.
   

3. Using SST, loosen the union nuts and remove the No. 1, No. 2 and No. 3 injection pipes.
   

   SST

   09023-12701  
   

   
   
   
   
   

   1. Remove the 2 bolts and disconnect the 2 injection pipe clamps.
      

   
   
   

   2. Using SST, loosen the union nuts and remove the No. 4 injection pipe.
      

      SST

      09023-12701  
      

1. Disconnect the 2 fuel hoses.
   

2. Remove the check valve, 3 bolts, leakage pipe and gasket.
   

1. Remove the EGR valve and gasket.
   

1. Remove the 4 bolts, 2 nuts, manifold and gasket.
   

1. Remove the bolt and water hose clamp.
   

2. Remove the wire harness clamp.
   

3. Remove the 6 bolts and timing belt cover.
   

1. Turn the crankshaft clockwise and align the timing marks as shown in the illustration.
   

2. Uniformly loosen the 2 bolts and remove the timing belt tensioner.
   

3. Remove the timing belt.
   

4. Using a 10 mm hexagon wrench, remove the bolt, timing belt idler and washer.
   

   HINT:

   
   
   1. 
      
   2. When turning the camshaft while the timing belt is removed, turn the crankshaft 90° counterclockwise.
      
   3. When installing the timing belt, return the camshaft to the timing marks and then turn the crankshaft clockwise until it aligns with the timing marks, as shown in the illustration.
      

1. Using a small screwdriver, remove the holder seal by prying the portion between the holder seal and the cutout part of the cylinder head.
   

2. Remove the 10 bolts, 2 nuts, cylinder head cover and gasket.
   

1. Remove the bolt of the camshaft timing pulley by holding the camshaft with a wrench.
   

   NOTICE:

   Make sure to remove the bolt of the camshaft timing pulley with the timing belt not installed.

2. Remove the camshaft timing pulley.
   

1. Remove the 4 bolts, nuts and timing belt cover.
   

1. Remove the union bolt, 4 hollow screws, 5 gaskets and nozzle leakage pipe.
   

   NOTICE:

   1. When removing the nozzle leakage pipe, place a cushion under the pipe.
      
   2. Be careful not to deform or scratch the union seal surface.
      
   3. After removing the fuel pipe, put it in a plastic bag to prevent foreign matter from contaminating its injector inlet.
      

2. Remove the 4 bolts, 4 washers, 4 nozzle holder clamps and 4 injectors.
   

   HINT:

   Arrange the injectors, holder clamps, washers and bolts in the correct order.

3. Remove the O-ring and back-up ring from the injector.
   

4. Remove the 4 injection nozzle sheets from the cylinder head.
   

1. Face the key groove of the camshaft upward by turning the camshaft with a wrench.
   

2. Uniformly loosen the 15 bearing cap bolts in several passes in the sequence shown in the illustration.
   

3. Remove the 5 bearing caps, oil seal and 2 camshafts.
   

1. Uniformly loosen and remove the 18 cylinder head bolts in several passes in the sequence shown in the illustration.
   

   NOTICE:

   Head warpage or cracking could result from removing bolts in the incorrect order.

2. Lift the cylinder head from the dowels on the cylinder block, and place the cylinder head on wooden blocks on a bench.
   

   HINT:

   If the cylinder head is difficult to lift, use a screwdriver to pry between the cylinder head and block.

   NOTICE:

   Be careful not to damage the contact surfaces of the cylinder head and cylinder block.