REASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repairs" after replacing the cylinder head sub-assembly or cylinder head LH (See page ).
PROCEDURE
1. INSTALL SPARK PLUG TUBE
NOTICE:
When using a new cylinder head, the spark plug tubes must be replaced.
(a) Apply adhesive onto the shaded area of a new spark plug tube. Text in Illustration
Adhesive: Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent. Standard application width: 1.0 to 3.0 mm (0.0394 to 0.118 in.) NOTICE:
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(b) Using a wooden block and hammer, tap in the spark plug tube to the specified protrusion height. Text in Illustration
Standard protrusion height: 75.65 mm (2.98 in.) NOTICE: To avoid tapping in the spark plug tube too far, measure the protrusion height while tapping it. |
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2. INSTALL NO. 1 STRAIGHT SCREW PLUG
(a) Apply adhesive to the No. 1 straight screw plug of the cylinder head.
Adhesive:
Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
(b) Using a 10 mm hexagon wrench, install 4 new gaskets and the 4 No. 1 straight screw plugs.
Torque:
44 N·m {449 kgf·cm, 32 ft·lbf}
3. INSTALL NO. 2 STRAIGHT SCREW PLUG
(a) Using a 14 mm hexagon wrench, install 2 new gaskets and the 2 No. 2 straight screw plugs.
Torque:
80 N·m {816 kgf·cm, 59 ft·lbf}
4. INSTALL NO. 3 STRAIGHT SCREW PLUG
(a) Using a 10 mm hexagon wrench, install 8 new gaskets and the 8 No. 3 straight screw plugs.
Torque:
44 N·m {449 kgf·cm, 32 ft·lbf}
5. INSTALL UNION
(a) Apply adhesive to the union of the cylinder head.
Adhesive:
Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent
(b) Using a union nut wrench (12 mm), install the union to the cylinder head as shown in the illustration.
Text in Illustration
*A |
Bank 1 |
*B |
Bank 2 |
Torque:
15 N·m {150 kgf·cm, 11 ft·lbf}
6. INSTALL STUD BOLT
NOTICE:
If the stud bolt is deformed or the threads are damaged, replace it.
(a) Using E6 and E8 "TORX" socket wrenches, install the stud bolts.
Text in Illustration
*a |
Intake Side RH |
*b |
Intake Side LH |
*c |
Exhaust Side RH |
*d |
Exhaust Side LH |
*e |
Rear Side RH |
*f |
Rear Side LH |
Torque:
for stud bolt A, B :
10 N·m {102 kgf·cm, 7 ft·lbf}
for stud bolt C :
4.0 N·m {41 kgf·cm, 35 in·lbf}
7. INSTALL VALVE SPRING SEAT
(a) Install the valve spring seats to the cylinder head.
8. INSTALL VALVE STEM OIL SEAL
(a) Apply a light coat of engine oil to new valve stem oil seals. Text in Illustration
NOTICE: Pay attention when installing the intake and exhaust valve stem oil seals. For example, installing the intake valve stem oil seal to the exhaust side or installing the exhaust valve stem oil seal to the intake side can cause installation problems later. HINT: The intake valve oil seals are black and the exhaust valve oil seals are gray. |
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(b) Using SST, push in the oil seals. Text in Illustration
SST: 09201-41020 NOTICE: Failure to use SST will cause the seal to be damaged or improperly seated. |
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9. INSTALL EXHAUST VALVE
(a) Apply a sufficient coat of engine oil to the tip area of the exhaust valve shown in the illustration. Text in Illustration
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(b) Install the exhaust valve, inner compression spring and valve spring retainer to the cylinder head.
NOTICE:
Install the same parts in the same combination to their original locations.
(c) Using SST, compress the inner compression spring and install the 2 valve spring retainer locks. SST: 09202-70020 09202-01010 09202-01020 SST: 09202-00021 |
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(d) Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
NOTICE:
Be careful not to damage the retainer.
10. INSTALL INTAKE VALVE
(a) Apply a sufficient coat of engine oil to the tip area of the intake valve shown in the illustration. Text in Illustration
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(b) Install the intake valve, inner compression spring and valve spring retainer to the cylinder head.
NOTICE:
Install the same parts in the same combination to their original locations.
(c) Using SST, compress the inner compression spring and install the 2 valve spring retainer locks. SST: 09202-70020 09202-01010 09202-01020 SST: 09202-00021 |
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(d) Using a plastic-faced hammer, lightly tap the valve stem tip to ensure a proper fit.
NOTICE:
Be careful not to damage the retainer.
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Check the DTCs.
(1) Turn the ignition switch off.
(2) Connect the Techstream to the DLC3.
(3) Turn the ignition switch to ON.
(4) Turn the Techstream on.
(5) Read the DTCs following the prompts on the Techstream screen. Enter the following
menus: Powertrai ...
Transfer Shift Motor Limit Switch Circuit (P17AC)
DESCRIPTION
When the transfer switches modes, the TL1, TL2 and TL3 terminals of the limit
switch are in one of the ON/OFF combinations listed in the table below.
Terminal
When 2WD
Switching between 2WD and H4
When H4
Switching between H4 and ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Differential System (w/ Differential Lock)
DTC Code
Detection Item
See page
P163B
4WD ECU Malfunction
P17BB
Rear Differential Lock Position SW Stuck OFF
...