REASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repair" after replacing the cylinder head sub-assembly
(See page
).
PROCEDURE
1. INSTALL SPARK PLUG TUBE
HINT:
When using a new cylinder head, the spark plug tubes must be replaced.
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(a) Apply adhesive onto the shaded area of a new spark plug tube. Adhesive: Toyota Genuine Adhesive 1324, Three Bond 1324 or equivalent. Standard application width: 2.0 mm (0.0787 in.) NOTICE:
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(b) Using a wooden block and hammer, tap in the spark plug tube to the specified protrusion height. Standard protrusion height: 112 mm (4.41 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 CYLINDER HEAD STUD BOLT
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(a) Using an E7 "TORX" socket wrench, install the cylinder head stud bolts. Torque: 6.5 N·m {66 kgf·cm, 58 in·lbf} |
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3. INSTALL NO. 1 STRAIGHT SCREW PLUG
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(a) Using a 10 mm hexagon wrench, install 3 new gaskets and the 3 straight screw plugs. Torque: 44 N·m {449 kgf·cm, 32 ft·lbf} |
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4. INSTALL NO. 2 STRAIGHT SCREW PLUG
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(a) Using a 14 mm hexagon wrench, install a new gasket and the straight screw plug. Torque: 78 N·m {795 kgf·cm, 58 ft·lbf} |
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5. INSTALL VALVE SPRING SEAT
(a) Install the valve spring seats to the cylinder head.
6. INSTALL VALVE STEM OIL SEAL
(a) Apply a light coat of engine oil to new oil seals.
Text in Illustration
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*A |
for Intake Side |
*B |
for Exhaust Side |
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*a |
Gray (for Intake Side) |
*b |
Black (for Intake Side) |
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*c |
Black (for Exhaust Side) |
*d |
Gray (for Exhaust Side) |
NOTICE:
Pay attention when installing the intake and exhaust oil seals. For example, installing the intake oil seal onto the exhaust side or installing the exhaust oil seal onto the intake side can cause installation problems later.
HINT:
The intake side valve stem oil seals is gray or black.
The exhaust side valve stem oil seals is black or gray.
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(b) Using SST, push in the intake and exhaust valve oil seals. SST: 09201-41020 NOTICE: Failure to use SST will cause the seal to be damaged or improperly seated. |
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7. INSTALL INTAKE VALVE
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(a) Apply plenty of engine oil to the tip area of the intake valve shown in the illustration. |
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(b) Install the valve, compression spring and spring retainer to the cylinder head.
NOTICE:
Install the same parts in the same combination to their original locations.
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(c) Using SST and wooden blocks, compress the spring and install the retainer locks. SST: 09202-70020 09202-00010 |
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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. |
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8. INSTALL EXHAUST VALVE
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(a) Apply plenty of engine oil to the tip area of the exhaust valve shown in the illustration. |
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(b) Install the valve, compression spring and spring retainer to the cylinder head.
NOTICE:
Install the same parts in the same combination to their original locations.
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(c) Using SST and wooden blocks, compress the spring and install the retainer locks. SST: 09202-70020 09202-00010 |
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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. |
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Replacement
RepairECU Power Source Circuit
DESCRIPTION
This is the power source for the tire pressure warning ECU.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the tire pressure warning ECU, read the transmitter IDs
stored in the old ECU using the Techstream and writ ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Starting Control or Power Source
Control / Trouble Codes.
(e) Read t ...
Fail-safe Chart
FAIL-SAFE CHART
1. FAIL SAFE FUNCTION
(a) The following chart shows the status of the controls when the system is normal
and malfunctioning.
The passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for
approximately 4 ...