1ar-fe Engine Mechanical

Reassembly

~3min read
3special tools
010203040506.55N·mlb·ft
Tightening torque found on this page
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.

(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:

  • Install the spark plug tube within 3 minutes after applying adhesive.
  • Be careful not to deform the spark plug tube.
  • Be careful not to expose the seal to coolant for at least 1 hour after installing it.

(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.

2. INSTALL CYLINDER HEAD STUD BOLT

(a) Using an E7 "TORX" socket wrench, install the cylinder head stud bolts.

Torque:

6,5 N·m {66 kgf·cm, 58 in·lbf}

3. INSTALL NO. 1 STRAIGHT SCREW PLUG

(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}

4. INSTALL NO. 2 STRAIGHT SCREW PLUG

(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}

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

*A

for Intake Side

*B

for Exhaust Side

*a

Gray

(for Intake Side)

*b

Black

(for Intake Side)

*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:

  • for Intake Side

    The intake side valve stem oil seals is gray or black.

  • for Exhaust Side

    The exhaust side valve stem oil seals is black or gray.

(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.

7. INSTALL INTAKE VALVE

(a) Apply plenty of engine oil to the tip area of the intake valve shown in the illustration.

(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.

(c) Using SST and wooden blocks, compress the spring and install the retainer locks.

SST: 09202-70020

09202-00010

(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.

8. INSTALL EXHAUST VALVE

(a) Apply plenty of engine oil to the tip area of the exhaust valve shown in the illustration.

(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.

(c) Using SST and wooden blocks, compress the spring and install the retainer locks.

SST: 09202-70020

09202-00010

(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.

Test yourself

A quick Toyota Venza quiz: every answer comes with an explanation and a link to the manual page.