CYLINDER HEAD GASKET > INSTALLATION |
| 1. INSTALL CYLINDER HEAD GASKET |
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Inspect the protrusion height of the piston heads.
Place a dial indicator on the cylinder block as shown in the illustration.
Measure the protrusion height of the piston head of each cylinder at 2 places as shown in the illustration.
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Select a new cylinder head gasket.
Select the highest protrusion height among the 8 measurements records. It is used to select a new cylinder head gasket.
| Piston Protrusion mm (in.) | Gasket Cutout | Gasket Size |
| 0.525 to 0.575 (0.020 to 0.023) | 1 | A |
| 0.576 to 0.625 (0.023 to 0.025) | 2 | B |
| 0.626 to 0.675 (0.025 to 0.027) | 3 | C |
| 0.676 to 0.725 (0.027 to 0.029) | 4 | D |
| 0.726 to 0.775 (0.029 to 0.031) | 5 | E |
Install the cylinder head gasket.
Apply seal packing (Diameter 3.5 to 4.5 mm (0.138 to 0.177 in.)) to the cylinder block side as shown in the illustration.
Place a new cylinder head gasket on the cylinder block with the Lot No. stamp facing upward.
Apply seal packing (Diameter 3.5 to 4.5 mm (0.138 to 0.177 in.)) to the top surface of the cylinder head again as shown in the illustration.

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Install the cylinder head gasket onto the cylinder block.
| 2. INSTALL CYLINDER HEAD SUB-ASSEMBLY |
Apply a light coat of engine oil to the threads of the cylinder head bolts.
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Using several passes, uniformly install and tighten the 10 cylinder head bolts and plate washers in the sequence shown in the illustration. (*1)
| *1 | Paint Mark |
Mark the front of the cylinder head bolts with paint.
Using the same sequence as step (*1), retighten the cylinder head bolts by an additional 90° and one more additional 90°.
Repeat the step above 2 more times as shown in the illustration.
Check that each paint mark is now 270° from the front.
| 3. CONNECT WATER INLET HOSE RH |
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Connect the water inlet hose RH.
| 4. INSTALL NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY |
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Apply engine oil to the stem end caps, valve rocker arm pivot top surfaces and valve rocker arm roller portions.
Install the 8 valve rocker arms.
| 5. INSTALL CAMSHAFT |
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Turn the crankshaft to set the key in the 70° BTDC position.
| *1 | TDC Mark |
| *2 | Key |
Apply engine oil to the camshaft journal portion and cam portion.
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Examine the front marks and numbers and check that the sequence is as shown in the illustration. Then, temporarily tighten the camshaft with the camshaft bearing caps and bolts.
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Using several steps, temporarily tighten the bolts in the sequence shown in the illustration, and then tighten the bolts to the specified torque.
| 6. INSTALL CHAIN SUB-ASSEMBLY |
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Turn the camshaft to set the straight pin in the position shown in the illustration.
| *1 | Straight Pin |
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Turn the crankshaft to set the key in the position shown in the illustration.
| *1 | TDC Mark |
| *2 | Key |
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Align the chain's 2 orange mark plates with the timing mark on the camshaft timing sprocket, and the yellow mark plate with the timing mark on the crankshaft timing sprocket.
| *1 | Timing Mark |
| *2 | Orange Mark Plate |
| *3 | Yellow Mark Plate |
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Install the chain, camshaft timing sprocket and crankshaft sprocket together onto the engine.
| *1 | Timing Mark |
| *2 | Orange Mark Plate |
| *3 | Yellow Mark Plate |
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Using SST, fix the camshaft timing sprocket, and install the camshaft timing sprocket with the 3 bolts.
| 7. INSTALL NO. 1 CHAIN VIBRATION DAMPER |
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Install the chain vibration damper with the 2 bolts.
| 8. INSTALL CHAIN TENSIONER SLIPPER |
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Install the chain tensioner slipper onto the cylinder block.
| 9. INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY |
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Push in the plunger until the groove is aligned with the tensioner hole, and then insert a 1.1 mm (0.043 in.) diameter bar.
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Install the chain tensioner with the 2 bolts.
Remove the 1.1 mm (0.043 in.) diameter bar from the chain tensioner.
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Check that the mark plate and timing mark are in the positions shown in the illustration.
| *1 | Timing Mark |
| *2 | Orange Mark Plate |
| *3 | Yellow Mark Plate |
| 10. INSTALL TIMING CHAIN COVER SUB-ASSEMBLY |
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Install the No. 2 timing chain cover with the clip.
| 11. CONNECT WATER INLET HOSE LH |
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Connect the water inlet hose LH.
| 12. INSTALL CRANKSHAFT DAMPER SUB-ASSEMBLY |
Align the key with the key groove of the crankshaft damper, and slide the crankshaft damper to the crankshaft.
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Using SST, secure the crankshaft damper.
Tighten the bolt to the specified torque.
| 13. INSTALL NO. 2 TIMING CHAIN COVER |
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Install the No. 2 timing chain cover with the clip.
| 14. INSTALL ENGINE MOUNTING BRACKET RH |
Temporarily tighten the engine mounting bracket with the 4 bolts.
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Fully tighten the 4 bolts, as shown in the illustration.
| 15. CHECK VALVE CLEARANCE |
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Set the No. 1 cylinder to TDC/Compression.
| *1 | Timing Mark |
| *2 | TDC Mark |
Turn the crankshaft pulley until the grooves of the crankshaft damper and oil pump are aligned.
Check that the timing mark of the camshaft timing sprocket is in the position shown in the illustration.
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Check the valve clearance of the No. 1 cylinder exhaust valve and the No. 2 cylinder intake valve.
| *1 | No. 1 Exhaust |
| *2 | No. 2 Intake |
| *3 | Camshaft |
| *4 | Feeler Gauge |
Using a feeler gauge, measure the clearance between the camshaft and No. 1 valve rocker arm.
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Check the valve clearance of the No. 1 cylinder intake valve and the No. 3 cylinder exhaust valve.
| *1 | No. 1 Intake |
| *2 | No. 3 Exhaust |
| *3 | Camshaft |
| *4 | Feeler Gauge |
Turn the crankshaft by a further 180° clockwise.
Using a feeler gauge, measure the clearance between the camshaft and No. 1 valve rocker arm as shown in the illustration.
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Check the valve clearances of the No. 3 cylinder intake valve and No. 4 cylinder exhaust valve.
| *1 | No. 3 Intake |
| *2 | No. 4 Exhaust |
| *3 | Camshaft |
| *4 | Feeler Gauge |
Turn the crankshaft clockwise by a further 180°.
Using a feeler gauge, measure the clearance between the camshaft and No. 1 valve rocker arm as shown in the illustration.
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Check the valve clearances of the No. 2 cylinder intake valve and No. 4 cylinder intake valve.
| *1 | No. 2 Exhaust |
| *2 | No. 4 Intake |
| *3 | Camshaft |
| *4 | Feeler Gauge |
Turn the crankshaft clockwise by a further 180°.
Using a feeler gauge, measure the clearance between the camshaft and No. 1 valve rocker arm.
| 16. ADJUST VALVE CLEARANCE |
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Using SST and a screwdriver, loosen the valve adjusting nut while keeping the valve adjusting screw in position.
| *1 | Adjusting Screw |
| *2 | Lock Nut |
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Adjust valve clearance (intake side).
| *1 | Adjusting Screw |
| *2 | Lock Nut |
| *3 | Feeler Gauge |
Insert a feeler gauge (0.14 mm (0.006 in.)) between the camshaft and No. 1 valve rocker arm, and turn the valve adjusting screw to adjust it.
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Using SST and a screwdriver, tighten the valve adjusting nut while keeping the valve adjusting screw in position.
| *1 | Adjusting Screw |
| *2 | Lock Nut |
Adjust the valve clearance (exhaust side).
| 17. INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY |
Install the cylinder head gasket onto the cylinder head cover.
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Apply seal packing to the 4 locations shown in the illustration, and then install the cylinder head cover.
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Temporarily tighten the cylinder head cover with the 12 bolts.
Fully tighten the 12 bolts, as shown in the illustration.
| 18. INSTALL HARNESS BRACKET (w/o Air Conditioning System) |
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Install the harness bracket with the bolt.
| 19. INSTALL V-RIBBED BELT TENSIONER ASSEMBLY |
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Install the V-ribbed belt tensioner with the 2 bolts.
| 20. INSTALL IDLER PULLEY SUB-ASSEMBLY |
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Install the idler pulley with the bolt.
| 21. INSTALL VACUUM PUMP ASSEMBLY |
Install 2 new O-rings to the vacuum pump.
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Install the vacuum pump with the 2 bolts.
| 22. INSTALL CAMSHAFT POSITION SENSOR |
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Install the camshaft position sensor with the bolt.
Install the harness bracket with the bolt.
| 23. INSTALL OIL LEVEL DIPSTICK GUIDE |
Install a new O-ring to the oil level dipstick guide.
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Install the oil level dipstick guide with the 2 bolts.
| 24. INSTALL OIL LEVEL DIPSTICK |
| 25. INSTALL WATER BY-PASS PIPE SUB-ASSEMBLY |
Install a new O-ring to the water by-pass pipe.
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Install the water by-pass pipe with the 2 bolts, as shown in the illustration.
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Connect the water by-pass hose.
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Connect the oil cooler hose.
| 26. INSTALL NO. 4 WATER BY-PASS HOSE |
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Install the No. 4 water by-pass hose.
| 27. INSTALL NO. 2 OIL COOLER HOSE |
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| *1 | Paint Mark |
Install the No. 2 oil cooler hose.
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Install the hose clamp.
| *1 | Paint Mark |
| 28. INSTALL NO. 2 CYLINDER HEAD COVER |
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Install the No. 2 cylinder head cover.
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Install the 2 harness brackets with the 2 bolts.
| 29. INSTALL NO. 1 INTAKE MANIFOLD INSULATOR |
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Install the No. 1 intake manifold insulator.
| 30. INSTALL COMMON RAIL ASSEMBLY |
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Install the common rail with 2 bolts.
| 31. INSTALL SUPPLY PUMP DRIVE COUPLING |
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Install the supply pump drive coupling into the camshaft.
| *1 | Camshaft |
| *2 | Supply Pump Drive Coupling |
| *a | Correct |
| *b | Incorrect |
| 32. TEMPORARILY TIGHTEN SUPPLY PUMP ASSEMBLY |
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Apply a light coat of engine oil to a new O-ring.
Install the O-ring onto the supply pump.
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Temporarily tighten the supply pump with the 3 bolts.
| 33. INSTALL FUEL INLET PIPE SUB-ASSEMBLY |
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Temporarily tighten the fuel inlet pipe onto the supply pump and common rail.
Fully tighten the supply pump with the 3 bolts.
Using a union nut wrench (17 mm), tighten the fuel inlet pipe union nut on the common rail side.
Using a wrench (17 mm), hold the supply pump nut, and using a union nut wrench (17 mm), tighten the fuel inlet pipe union nut on the supply pump side.
| 34. INSTALL NO. 2 FUEL HOSE |
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Install the No. 2 fuel hose.
| 35. INSTALL INJECTION NOZZLE SEAT |
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| *1 | Injector |
| *2 | Sealing Surface |
| *3 | Nozzle |
| *4 | Cylinder Head |
| *5 | Cloth |
Using a cloth and solvent, wipe away any carbon from the sealing surface of the injector and injector installation hole, as shown in the illustration.
Install 4 new nozzle seats onto the cylinder head.
| 36. INSTALL INJECTOR ASSEMBLY |
Install the 4 injectors onto the cylinder head.
| 37. INSTALL NO. 1 NOZZLE HOLDER CLAMP |
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Install the 4 nozzle holder clamps onto the injectors.
| *1 | Washer |
| *2 | Nozzle holder clamp |
| *3 | Nozzle holder clamp seat |
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Set the washer on the nozzle holder clamp, as shown illustration.
Tighten the 4 nozzle holder clamp bolts.
| 38. INSTALL NOZZLE LEAKAGE PIPE ASSEMBLY |
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Install the nozzle leakage pipe into each injector.
Make sure the lock bush is at top position.

| *1 | Lock Bush |
| *2 | Return Plug |
| *3 | Rest Arm |
| *4 | Injector |
Insert the rest arm into the injector and push both sides of the return plug until the rest arm engages with the injector, as shown in the illustration.
Push the lock bush until the it fits with the return plug, as shown in the illustration.
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Connect the nozzle leakage pipe and install new retainer spring onto the supply pump.
| 39. INSTALL NOZZLE LEAKAGE PIPE SET CLAMP |
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Install the 3 nozzle leakage pipe set clamps.
| 40. INSTALL NO. 2 INTAKE MANIFOLD INSULATOR |
Install the No. 2 intake manifold insulator.
| 41. INSTALL GLOW PLUG ASSEMBLY |
Clean the glow plug installation holes in the cylinder head.
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Install the 4 glow plugs.
| 42. INSTALL NO. 1 GLOW PLUG CONNECTOR |
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Install the No. 1 glow plug connector with the 4 nuts.
Install the 4 screw grommets.
| 43. INSTALL NO. 1 INJECTION PIPE SUB-ASSEMBLY |
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Temporarily install 4 new injection pipes onto the injectors and common rail.
| *a | Correct |
| *b | Incorrect |
Using a union nut wrench (17 mm), tighten the injection pipe union nut on the common rail, and then tighten the union nut on the injector.
| 44. INSTALL NO. 2 INJECTION PIPE SUB-ASSEMBLY |
| 45. INSTALL NO. 3 INJECTION PIPE SUB-ASSEMBLY |
| 46. INSTALL NO. 1 INJECTION PIPE CLAMP |
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Install both sides of the No. 1 injection pipe clamp with the 2 nuts as shown in the illustration.
| 47. INSTALL NO. 2 INJECTION PIPE CLAMP |
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Install both sides of the No. 2 injection pipe clamp with the nut as shown in the illustration.
| 48. INSTALL INTAKE AIR CONNECTOR WITH DIESEL THROTTLE BODY |
Install the new gasket to the cylinder head.
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Install the intake air connector with the diesel throttle body with the 2 bolts and 2 nuts.
| 49. INSTALL ELECTRIC EGR CONTROL VALVE ASSEMBLY |
Install a new gasket.
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Apply adhesive to the 2 bolts.
| *1 | Adhesive |
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Install the electric EGR control valve with the 2 bolts.
| *1 | EGR Control Valve |
Connect the No. 3 water by-pass hose.
Connect the No. 4 water by-pass hose.
| 50. INSTALL HARNESS BRACKET |
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Install the harness bracket with the bolt.
Connect the vacuum hose to the vacuum pump.
| 51. INSTALL NO. 1 EGR COOLER BRACKET |
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Install the No. 1 EGR cooler bracket with the 2 bolts.
Connect the vacuum hose.
| 52. INSTALL EGR WITH COOLER PIPE ASSEMBLY |
Install 2 new gaskets.
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Install the EGR with cooler pipe assembly with the 4 bolts and 2 nuts.
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Connect the No. 2 water by-pass hose.
Connect the No. 2 oil cooler hose.
Connect the 2 vacuum hoses and No. 1 oil hose.
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Connect the No. 1 vacuum transmitting hose.
Connect the vacuum transmitting hose.
| 53. INSTALL GENERATOR BRACKET |
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Install the No. 1 generator bracket with the bolt.
| 54. INSTALL GENERATOR ASSEMBLY |
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Install the generator with the 2 bolts and nut.
| 55. INSTALL TURBOCHARGER SUB-ASSEMBLY WITH EXHAUST MANIFOLD |
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| *1 | Compressor Side |
Install a new gasket to the turbocharger.
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Temporarily tighten the turbo oil inlet pipe with the 2 nuts to the turbocharger.
Install 2 new gaskets to the cylinder head and cylinder block.
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Install the turbocharger with the exhaust manifold with the 9 nuts.
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Temporarily tighten the turbo oil inlet pipe with the 2 nuts to the cylinder block.
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Fully tighten the 4 nuts.
| 56. INSTALL MANIFOLD STAY |
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Install the manifold stay with the 2 bolts.
| 57. INSTALL NO. 2 TURBOCHARGER STAY |
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Temporarily tighten the No. 2 turbocharger stay with the bolt and nut.
Fully tighten the nut on the turbocharger side before tightening the bolt on the cylinder head side.
| 58. INSTALL TURBOCHARGER STAY |
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Temporarily tighten the turbocharger stay with the 2 bolts and nut.
Fully tighten the nut on the turbocharger side before tightening the bolts on the cylinder head side.
| 59. INSTALL NO. 1 TURBO INSULATOR |
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Install the No. 1 turbo insulator with the 2 bolts.
| 60. INSTALL ENGINE ASSEMBLY |
Install the engine assembly (Click here).