Toyota Tacoma 2015-2018 Service Manual: Disassembly

DISASSEMBLY

PROCEDURE

1. REMOVE INTAKE VALVE

(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

(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

(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

(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

(a) Using needle-nose pliers, remove the valve stem oil seals.

4. REMOVE VALVE SPRING SEAT

(a) Using compressed air and a magnet hand, remove the valve spring seats by blowing air onto them.

5. REMOVE NO. 1 STRAIGHT SCREW PLUG

NOTICE:

If water leaks from a straight screw plug or the plug is corroded, replace it.

(a) Using a 10 mm hexagon wrench, remove the 4 No. 1 straight screw plugs and 4 gaskets. Text in Illustration *A Bank 1 *B Bank 2

6. REMOVE NO. 2 STRAIGHT SCREW PLUG

NOTICE:

If water leaks from a straight screw plug or the plug is corroded, replace it.

(a) Using a 14 mm hexagon wrench, remove the 2 No. 2 straight screw plugs and 2 gaskets. Text in Illustration *A Bank 1 *B Bank 2

7. REMOVE NO. 3 STRAIGHT SCREW PLUG

NOTICE:

If water leaks from a straight screw plug or the plug is corroded, replace it.

(a) Using a 10 mm hexagon wrench, remove the 8 No. 3 straight screw plugs and 8 gaskets. Text in Illustration *A Bank 1 *B Bank 2

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.