CAUTION / NOTICE / HINT
Tech Tips
Perform "Inspection After Repairs" after replacing the camshaft, No. 2 camshaft, No. 3 camshaft sub-assembly, No. 4 camshaft sub-assembly, camshaft timing gear assembly or camshaft timing exhaust gear assembly.
PROCEDURE
SET NO. 1 CYLINDER TO TDC/COMPRESSION
| *a | "0" Timing Mark |
| *b | Timing Mark (cutout) |
Turn the crankshaft clockwise to align the timing mark (cutout) on the crankshaft pulley assembly with the "0" timing mark on the timing chain cover assembly.
SET CAMSHAFT TIMING GEAR ASSEMBLY (for Bank 2)
Tech Tips
Perform "Inspection After Repairs" after replacing the camshaft timing gear assembly.
| *a | Timing Mark |
| *b | Mark Plate (Yellow) |
Align the mark plate (yellow) with the timing mark of the camshaft timing gear assembly as shown in the illustration and install the No. 2 chain sub-assembly to the camshaft timing gear assembly.
| *a | Place on camshaft timing gear assembly |
Install the chain sub-assembly to the camshaft timing gear assembly, and then set the camshaft timing gear assembly to the camshaft housing LH.
Tech Tips
Place the chain sub-assembly on the camshaft timing gear assembly but do not engage the teeth of the sprocket and the chain sub-assembly.
Install the camshaft timing gear assembly so that the timing mark is facing upward.
SET CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY (for Bank 2)
Tech Tips
Perform "Inspection After Repairs" after replacing the camshaft timing exhaust gear assembly.
| *a | Timing Mark |
| *b | Mark Plate (Yellow) |
Align the mark plate (yellow) with the timing mark of the camshaft timing exhaust gear assembly LH as shown in the illustration and install the No. 2 chain sub-assembly to the camshaft timing exhaust gear assembly LH.
Set the camshaft timing exhaust gear assembly LH to the camshaft housing LH.
SET NO. 3 CHAIN TENSIONER ASSEMBLY
While lifting up the camshaft timing exhaust gear assembly LH, pass the No. 3 chain tensioner assembly through the No. 2 chain sub-assembly and set it in place.
Note
Temporarily set the No. 3 chain tensioner assembly only, do not install the bolt.
INSTALL NO. 3 CAMSHAFT SUB-ASSEMBLY
Tech Tips
Perform "Inspection After Repairs" after replacing the No. 3 camshaft sub-assembly.
Clean the camshaft housing LH and camshaft journals and apply engine oil to them.
| *1 | No. 1 Valve Rocker Arm Sub-assembly |
| *2 | Lash Adjuster Assembly |
| *3 | Valve Stem |
| *4 | Valve Stem Cap |
Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
| *a | Pin Hole |
| *b | Straight Pin |
Put the camshaft timing gear assembly and No. 3 camshaft sub-assembly together by aligning the pin hole and straight pin.
Lightly press and turn the camshaft timing gear assembly against the No. 3 camshaft sub-assembly, and press harder after the pin enters the hole.
Note
Securely insert the straight pin of the No. 3 camshaft sub-assembly into the pin hole of the camshaft timing gear assembly.
Check that there is no clearance between the camshaft timing gear assembly flange and No. 3 camshaft sub-assembly.
INSTALL NO. 4 CAMSHAFT SUB-ASSEMBLY
Tech Tips
Perform "Inspection After Repairs" after replacing the No. 4 camshaft sub-assembly.
Clean the camshaft housing LH and No. 4 camshaft sub-assembly journals and apply engine oil to them.
| *1 | No. 1 Valve Rocker Arm Sub-assembly |
| *2 | Lash Adjuster Assembly |
| *3 | Valve Stem |
| *4 | Valve Stem Cap |
Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
| *a | Pin Hole |
| *b | Straight Pin |
Put the camshaft timing exhaust gear assembly LH and No. 4 camshaft sub-assembly together by aligning the pin hole and straight pin.
Lightly press and turn the camshaft timing gear assembly against the No. 4 camshaft sub-assembly, and press harder after the pin enters the hole.
Note
Securely insert the straight pin of the No. 4 camshaft sub-assembly sub-assembly into the pin hole of the camshaft timing exhaust gear assembly LH.
Check that there is no clearance between the camshaft timing gear assembly flange and No. 4 camshaft sub-assembly.
TEMPORARILY SET CAMSHAFT BEARING CAP (for Bank 2)
Clean the camshaft bearing caps and apply engine oil to them.
Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly LH toward the front of the vehicle.
Tech Tips
To ensure there is sufficient space for installing the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap, slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly LH.
| *1 | Replacement Bolt |
| *2 | Replacement Washer |
| *3 | No. 3 Camshaft Bearing Cap |
| *4 | No. 4 Camshaft Bearing Cap |
Remove the replacement bolts and washers (No. 3 camshaft bearing cap and No. 4 camshaft bearing cap side).
Note
Do not remove any of the replacement bolts and washers other than those on the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap side.
Temporarily set the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap.
Note
Do not install the bolts of the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap.
Do not install any camshaft bearing caps other than the No. 3 camshaft bearing cap and No. 4 camshaft bearing cap.
Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly LH toward the rear of the vehicle.
Note
Securely insert the straight pins of the No. 3 camshaft sub-assembly and No. 4 camshaft sub-assembly into the pin holes of the camshaft timing gear assembly and camshaft timing exhaust gear assembly LH.
TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2)
Note
There are different types of camshaft timing gear assembly bolts. Make sure to check the identification mark to determine the tightening torque.
| *a | Identification Mark Stamp |
| Identification Mark | ||||||
|---|---|---|---|---|---|---|
|
Check that there is no clearance between the camshaft timing gear assembly flange and No. 3 camshaft sub-assembly.
Apply engine oil to the areas of the camshaft timing gear assembly bolt shown in the illustration.
| *a | Hold |
| *b | Turn |
Use a wrench to hold the hexagonal portion of the No. 3 camshaft sub-assembly.
Temporarily install the camshaft timing gear assembly bolt.
Note
Installing the camshaft timing gear assembly bolt while there is external force applied to the camshaft timing gear assembly could result in damage to the engine, so make sure that the camshaft bearing cap is not installed when temporarily installing the camshaft timing gear assembly bolt.
Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
Make sure that the flange part of the camshaft timing gear assembly bolt is directly contacting the camshaft timing gear assembly.
TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2)
Note
There are different types of camshaft timing gear assembly bolts. Make sure to check the identification mark to determine the tightening torque.
| *a | Identification Mark Stamp |
| Identification Mark | ||||||
|---|---|---|---|---|---|---|
|
Check that there is no clearance between the camshaft timing exhaust gear assembly LH flange and No. 4 camshaft sub-assembly.
Apply engine oil to the areas of the camshaft timing gear assembly bolt shown in the illustration.
| *a | Hold |
| *b | Turn |
Use a wrench to hold the hexagonal portion of the No. 4 camshaft sub-assembly.
Temporarily install the camshaft timing gear assembly bolt.
Note
Installing the camshaft timing gear assembly bolt while there is external force applied to the camshaft timing exhaust gear assembly LH could result in damage to the engine, so make sure that the camshaft bearing cap is not installed when temporarily installing the camshaft timing gear assembly bolt.
Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
Make sure that the flange part of the camshaft timing gear assembly bolt is directly contacting the camshaft timing exhaust gear assembly LH.
INSTALL CAMSHAFT BEARING CAP (for Bank 2)
Clean the camshaft bearing caps and apply engine oil to them.
| *1 | Replacement Bolt |
| *2 | Replacement Washer |
| *a | Replacement Bolts and Washers Removal |
| *b | Part Installation |
|
Bolt A |
|
Bolt B |
Check the marks and numbers on the camshaft bearing caps, and then remove the replacement bolts and washers in the order shown in the illustration. Immediately after removing the replacement bolts and washers in the location for a bearing cap, install the bearing cap with the bolts in the order shown in the illustration.
Note
Be sure to follow the numerical order when performing this procedure.
Do not drop replacement bolts and washers into the cylinder head.
Check the torque of each bolt again.
TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 2)
| *a | Hold |
| *b | Turn |
Use a wrench to hold the hexagonal portion of the No. 3 camshaft sub-assembly.
Tighten the camshaft timing gear assembly bolt.
Note
Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 2)
| *a | Hold |
| *b | Turn |
Use a wrench to hold the hexagonal portion of the No. 4 camshaft sub-assembly.
Tighten the camshaft timing gear assembly bolt.
Note
Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
TIGHTEN NO. 3 CHAIN TENSIONER ASSEMBLY
Install the No. 3 chain tensioner assembly with the bolt.
CONNECT CHAIN SUB-ASSEMBLY (for Bank 2)
| *a | Paint Mark (yellow) |
Align the paint marks on the camshaft timing gear assembly and chain sub-assembly and install the chain sub-assembly to the camshaft timing gear assembly.
Tech Tips
If the paint marks are not aligned, align them by turning the camshaft slightly.
SET CAMSHAFT TIMING GEAR ASSEMBLY (for Intake Side of Bank 1)
Tech Tips
Perform "Inspection After Repairs" after replacing camshaft timing gear assembly.
| *a | Timing Mark |
| *b | Mark Plate (Yellow) |
Align the mark plate (yellow) with the timing mark of the camshaft timing gear assembly as shown in the illustration and install the No. 2 chain sub-assembly to the camshaft timing gear assembly.
| *a | Place on camshaft timing gear assembly |
Install the chain sub-assembly to the camshaft timing gear assembly, and then set the camshaft timing gear assembly to the camshaft housing RH.
Tech Tips
Place the chain sub-assembly on the camshaft timing gear assembly but do not engage the teeth of the sprocket and the chain sub-assembly.
Install the camshaft timing gear assembly so that the timing mark is facing upward.
SET CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY (for Exhaust Side of Bank 1)
Tech Tips
Perform "Inspection After Repairs" after replacing the camshaft exhaust gear assembly.
| *a | Timing Mark |
| *b | Mark Plate (Yellow) |
Align the mark plate (yellow) with the timing mark of the camshaft timing exhaust gear assembly RH as shown in the illustration and install the No. 2 chain sub-assembly to the camshaft timing exhaust gear assembly RH.
Set the camshaft timing exhaust gear assembly RH to the camshaft housing RH.
TEMPORARILY SET NO. 2 CHAIN TENSIONER ASSEMBLY
While lifting up the camshaft timing exhaust gear assembly RH, pass the No. 2 chain tensioner assembly through the No. 2 chain sub-assembly and set it in place.
Note
Temporarily set the No. 2 chain tensioner only, do not install the bolt.
INSTALL CAMSHAFT
| *a | 5° to 10° |
Turn the crankshaft clockwise until it is in the position shown in the illustration so that the chain sub-assembly can be installed easily.
Tech Tips
When turning the crankshaft, engine oil may spray out of the oil holes.
Clean the camshaft housing RH and camshaft journals and apply engine oil to them.
| *1 | No. 1 Valve Rocker Arm Sub-assembly |
| *2 | Lash Adjuster Assembly |
| *3 | Valve Stem |
| *4 | Valve Stem Cap |
Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
| *a | Pin Hole |
| *b | Straight Pin |
Put the camshaft timing gear assembly and camshaft together by aligning the pin hole and straight pin.
Lightly press and turn the camshaft timing gear assembly against the camshaft, and press harder after the pin enters the hole.
Note
Securely insert the straight pin of the camshaft into the pin hole of the camshaft timing gear assembly.
Check that there is no clearance between the camshaft timing gear assembly flange and camshaft.
INSTALL NO. 2 CAMSHAFT
Clean the camshaft housing RH and camshaft journals and apply engine oil to them.
| *1 | No. 1 Valve Rocker Arm Sub-assembly |
| *2 | Lash Adjuster Assembly |
| *3 | Valve Stem |
| *4 | Valve Stem Cap |
Make sure that the No. 1 valve rocker arm sub-assembly is installed as shown in the illustration.
| *a | Pin Hole |
| *b | Straight Pin |
Put the camshaft timing exhaust gear assembly RH and No. 2 camshaft together by aligning the pin hole and straight pin.
Lightly press and turn the camshaft timing gear assembly against the camshaft, and press harder after the pin enters the hole.
Note
Securely insert the straight pin of the No. 2 camshaft into the pin hole of the camshaft timing exhaust gear assembly RH.
Check that there is no clearance between the camshaft timing gear assembly flange and No. 2 camshaft.
TEMPORARILY SET CAMSHAFT BEARING CAP (for Bank 1)
Clean the camshaft bearing caps and apply engine oil to them.
Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly RH toward the front of the vehicle.
Tech Tips
To ensure there is sufficient space for installing the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap, slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly RH.
| *1 | Replacement Bolt |
| *2 | Replacement Washer |
| *3 | No. 1 Camshaft Bearing Cap |
| *4 | No. 2 Camshaft Bearing Cap |
Remove the replacement bolts and washers (No. 1 camshaft bearing and No. 2 camshaft bearing cap side).
Note
Do not remove any of the replacement bolts and washers other than those on the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap side.
Temporarily set the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap.
Note
Do not install the bolts of the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap.
Do not install any camshaft bearing caps other than the No. 1 camshaft bearing cap and No. 2 camshaft bearing cap.
Slide the camshaft timing gear assembly and camshaft timing exhaust gear assembly RH toward the rear of the vehicle.
Note
Securely insert the straight pins of the No. 1 camshaft sub-assembly and No. 2 camshaft sub-assembly into the pin holes of the camshaft timing gear assembly and camshaft timing exhaust gear assembly RH.
TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1)
Note
There are different types of camshaft timing gear assembly bolts. Make sure to check the identification mark to determine the tightening torque.
| *a | Identification Mark Stamp |
| Identification Mark | ||||||
|---|---|---|---|---|---|---|
|
Check that there is no clearance between the camshaft timing gear assembly flange and camshaft.
Apply engine oil to the areas of the camshaft timing gear assembly bolt shown in the illustration.
| *a | Hold |
| *b | Turn |
Use a wrench to hold the hexagonal portion of the camshaft.
Temporarily install the camshaft timing gear assembly bolt.
Note
Installing the camshaft timing gear bolt while there is external force applied to the camshaft timing gear assembly could result in damage to the engine, so make sure that the camshaft bearing cap is not installed when temporarily installing the camshaft timing gear bolt.
Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
Make sure that the flange part of the camshaft timing gear bolt is directly contacting the camshaft timing gear assembly.
TEMPORARILY INSTALL CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1)
Note
There are different types of camshaft timing gear assembly bolts. Make sure to check the identification mark to determine the tightening torque.
| *a | Identification Mark Stamp |
| Identification Mark | ||||||
|---|---|---|---|---|---|---|
|
Check that there is no clearance between the camshaft timing gear assembly flange and No. 2 camshaft.
Apply engine oil to the areas of the camshaft timing gear assembly bolt shown in the illustration.
| *a | Hold |
| *b | Turn |
Use a wrench to hold the hexagonal portion of the No. 2 camshaft.
Temporarily install the camshaft timing gear assembly bolt.
Note
Installing the camshaft timing gear bolt while there is external force applied to the camshaft timing exhaust gear assembly RH could result in damage to the engine, so make sure that the camshaft bearing cap is not installed when temporarily installing the camshaft timing gear bolt.
Be careful not to damage the camshaft housing sub-assembly or spark plug tube with the wrench.
Make sure that the flange part of the camshaft timing gear bolt is directly contacting the camshaft timing exhaust gear assembly RH.
INSTALL CAMSHAFT BEARING CAP (for Bank 1)
Clean the camshaft bearing caps and apply engine oil to them.
| *1 | Replacement Bolt |
| *2 | Replacement Washer |
| *a | Replacement Bolts and Washers Removal |
| *b | Part Installation |
|
Bolt A |
|
Bolt B |
Check the marks and numbers on the camshaft bearing caps, and then remove the replacement bolts and washers in the order shown in the illustration. Immediately after removing the replacement bolts and washers in the location for a bearing cap, install the bearing cap with the bolts in the order shown in the illustration.
Note
Be sure to follow the numerical order when performing this procedure.
Do not drop replacement bolts and washers into the cylinder head.
Check the torque of each bolt again.
TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Intake Side of Bank 1)
| *a | Hold |
| *b | Turn |
Use a wrench to hold the hexagonal portion of the camshaft.
Tighten the camshaft timing gear assembly bolt.
Note
Be careful not to damage the camshaft housing sub-assembly RH or spark plug tube with the wrench.
TIGHTEN CAMSHAFT TIMING GEAR BOLT (for Exhaust Side of Bank 1)
| *a | Hold |
| *b | Turn |
Use a wrench to hold the hexagonal portion of the No. 2 camshaft.
Tighten the camshaft timing gear assembly bolt.
Note
Be careful not to damage the camshaft housing sub-assembly RH or spark plug tube with the wrench.
TIGHTEN NO. 2 CHAIN TENSIONER ASSEMBLY
Install the No. 2 chain tensioner assembly with the bolt.
CONNECT CHAIN SUB-ASSEMBLY (for Bank 1)
| *a | Paint Mark |
Align the paint marks on the camshaft timing gear assembly and chain sub-assembly and install the chain sub-assembly to the camshaft timing gear assembly.
Tech Tips
If the paint marks are not aligned, align them by turning the camshaft slightly.
INSTALL NO. 1 CHAIN TENSIONER ASSEMBLY
| *a | 30° |
Turn the crankshaft counterclockwise 30° past the "0" timing mark, and then turn it clockwise to align the notch with the "0" timing mark.
Turn the crankshaft slightly to eliminate the slack in the chain sub-assembly.
Tech Tips
Make sure there is some slack in the chain sub-assembly around the area where the No. 1 chain tensioner assembly is installed.
| *a | Push |
| *b | Stopper Plate |
While turning the stopper plate of the No. 1 chain tensioner assembly clockwise, push in the plunger of the tensioner as shown in the illustration.
While turning the stopper plate of the tensioner counterclockwise, insert a pin of 1.27 mm (0.0500 in.) into the holes in the stopper plate and tensioner to fix the stopper plate in place.
Install the No. 1 chain tensioner assembly with the 2 bolts.
Remove the pin from the No. 1 chain tensioner assembly.
INSPECT VALVE TIMING
Check the camshaft timing marks.
Note
Check each timing mark from a viewpoint directly in line with the center of the camshaft and the timing mark on each camshaft timing gear assembly.
If the timing marks are checked from any other viewpoint, the valve timing may appear misaligned.
Check that each camshaft timing mark is positioned as shown in the illustration.
| *a | Timing Mark | *b | Viewpoint |
Tech Tips
for Intake Camshaft:
Be sure to check mark A at the point when marks B, C and D are positioned in line. If the marks are checked from any other viewpoint, they cannot be checked correctly.
If the valve timing is misaligned, reinstall the timing chain sub-assembly.
Turn the crankshaft 2 revolutions, set the No. 1 cylinder to TDC/compression and check the timing marks again.
INSTALL TIMING CHAIN COVER PLATE
Install a new gasket and the timing chain cover plate with the 4 bolts.
INSTALL SPARK PLUG TUBE GASKET
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY
INSTALL CYLINDER HEAD COVER SUB-ASSEMBLY LH
INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY
Install the No. 1 engine cover sub-assembly to the cylinder head cover sub-assembly with the 2 clips.
INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 2)
INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 2)
INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Intake Side of Bank 1)
INSTALL CAMSHAFT TIMING OIL CONTROL SOLENOID ASSEMBLY (for Exhaust Side of Bank 1)
INSTALL NO. 2 ENGINE OIL LEVEL DIPSTICK GUIDE
INSTALL SPARK PLUG
INSTALL IGNITION COIL ASSEMBLY
INSTALL NO. 1 WATER BY-PASS PIPE (w/ Oil Cooler)
INSTALL WATER OUTLET SUB-ASSEMBLY
INSTALL NO. 2 WATER BY-PASS HOSE
INSTALL NO. 6 WATER BY-PASS HOSE
INSTALL NO. 2 RADIATOR HOSE
INSTALL NO. 1 RADIATOR HOSE
INSTALL VACUUM PUMP ASSEMBLY
INSTALL UNION TO CONNECTOR TUBE HOSE (for RHD)
INSTALL WIRE HARNESS CLAMP BRACKET
Install the wire harness clamp bracket to the cylinder head cover sub-assembly LH with the 2 bolts.
Connect the wire harness clamp to the wire harness clamp bracket.
Install the wire harness clamp bracket to the cylinder head cover sub-assembly LH with the bolt.
INSTALL NO. 2 WATER BY-PASS PIPE
CONNECT INLET HEATER WATER HOSE A
CONNECT OUTLET HEATER WATER HOSE A
CONNECT WIRE HARNESS
Connect the 5 clamps and 2 connectors with the bolt, 4 nuts, 5 clamps and 2 connectors.
INSTALL FUEL PUMP ASSEMBLY (for High Pressure)
INSTALL NO. 1 BATTERY TRAY SUPPORT
INSTALL BATTERY
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Connect the cable to the negative battery terminal.
Note
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
ADD ENGINE COOLANT
INSPECT FOR COOLANT LEAK
INSPECT FOR ENGINE OIL LEAK
INSPECT IGNITION TIMING