Toyota Tacoma 2015-2018 Service Manual: Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE INTAKE VALVE
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(a) Using SST, compress the inner compression spring and remove the valve spring retainer locks. SST: 09202-70020 SST: 09202-00021 09202-01010 09202-01020 |
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(b) Remove the valve spring retainer, inner compression spring and intake valve.
HINT:
Arrange the removed parts in the correct order.
2. REMOVE EXHAUST VALVE
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(a) Using SST, compress the inner compression spring and remove the valve spring retainer locks. SST: 09202-70020 09202-01010 09202-01020 SST: 09202-00021 |
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(b) Remove the valve spring retainer, inner compression spring and exhaust valve.
HINT:
Arrange the removed parts in the correct order.
3. REMOVE VALVE STEM OIL SEAL
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(a) Using needle-nose pliers, remove the valve stem oil seals. |
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4. REMOVE VALVE SPRING SEAT
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(a) Using compressed air and a magnet hand, remove the valve spring seats by blowing air onto them. |
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5. REMOVE NO. 1 STRAIGHT SCREW PLUG
NOTICE:
If water leaks from a straight screw plug or the plug is corroded, replace it.
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(a) Using a 10 mm hexagon wrench, remove the 4 No. 1 straight screw plugs and 4 gaskets. Text in Illustration
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6. REMOVE NO. 2 STRAIGHT SCREW PLUG
NOTICE:
If water leaks from a straight screw plug or the plug is corroded, replace it.
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(a) Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 gaskets. Text in Illustration
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7. REMOVE NO. 3 STRAIGHT SCREW PLUG
NOTICE:
If water leaks from a straight screw plug or the plug is corroded, replace it.
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(a) Using a 10 mm hexagon wrench, remove the 8 No. 3 straight screw plugs and 8 gaskets. Text in Illustration
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8. REMOVE UNION
NOTICE:
It is not necessary to remove the union unless it is being replaced.
9. REMOVE STUD BOLT
NOTICE:
If the stud bolt is deformed or the threads are damaged, replace it.
Precaution
PRECAUTION
HINT:
Any digits beyond the 0.01 mm (1/1000 in.) place for standard, minimum
and maximum values should be used as a reference only.
When both standard and maximum or minim ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT CYLINDER HEAD SUB-ASSEMBLY
(a) Using a precision straightedge and feeler gauge, measure the warpage of the
contact surfaces where the cylinder head contacts the cy ...
Other materials:
Key information
The following keys are provided with the vehicle.
Vehicles without engine immobilizer
system
Master keys
Key number plate
Vehicles with engine immobilizer
system
Master keys
Key number plate
■Key number plate
Keep the plate in a safe place such as your wallet, not in the v ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY
(a) Check that there is ventilation from the booster to the engine, and
no ventilation from the engine to the booster.
If the results are not as specified, replace the vacuum check valve.
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...