Toyota Tundra. Manual — part 1786

a

Remove the engine assembly from the vehicle (see REMOVAL )

2

REMOVE IGNITION COIL ASSEMBLY (See REMOVAL )

3

REMOVE SPARK PLUG (See DISASSEMBLY )

4

REMOVE VVT SENSOR (See REMOVAL )

5

REMOVE CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY (See REMOVAL )

6

REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY RH (See DISASSEMBLY )

7

REMOVE CYLINDER HEAD COVER CUB-ASSEMBLY LH (See DISASSEMBLY )

8

REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE (See DISASSEMBLY )

9

REMOVE HEATER WATER PIPE SUB-ASSEMBLY

a

Remove the 2 bolts and disconnect the 3 water hoses

Fig. 91: Locating Water Hoses And Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

10

REMOVE REAR WATER BY-PASS JOINT

a

Disconnect the engine coolant temperature sensor connector

b

Remove the 2 bolts, 4 nuts, rear water by-pass joint and 2 gaskets

Fig. 92: Locating Rear Water By-Pass Joint Bolts And Nuts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Remove the O-ring from the No 1 water outlet pipe

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (1GR-FE) - Tundra

Fig. 93: Locating No. 1 Water Outlet Pipe O-Ring
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

11

REMOVE OIL CONTROL VALVE FILTER (See DISASSEMBLY )

12

REMOVE V-RIBBED BELT TENSIONER (See DISASSEMBLY )

13

REMOVE NO. 2 IDLER PULLEY SUB-ASSEMBLY (See DISASSEMBLY )

14

REMOVE NO. 1 IDLER PULLEY SUB-ASSEMBLY (See DISASSEMBLY )

15

REMOVE CRANKSHAFT PULLEY (See DISASSEMBLY )

16

REMOVE NO. 2 OIL PAN SUB-ASSEMBLY (See REMOVAL )

17

REMOVE OIL STRAINER SUB-ASSEMBLY (See REMOVAL )

18

REMOVE OIL PAN SUB-ASSEMBLY (See REMOVAL )

19

DISCONNECT NO. 2 OIL COOLER HOSE (See DISASSEMBLY )

20

DISCONNECT OIL COOLER HOSE

21

REMOVE WATER INLET HOUSING (See DISASSEMBLY )

22

REMOVE OIL FILTER BRACKET SUB-ASSEMBLY (See DISASSEMBLY )

23

REMOVE TIMING CHAIN COVER SUB-ASSEMBLY (See DISASSEMBLY )

24

REMOVE FRONT CRANKSHAFT OIL SEAL (See REMOVAL )

25

SET NO. 1 CYLINDER TO TDC / COMPRESSION (See VALVE CLEARANCE )

26

REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY (See DISASSEMBLY )

27

REMOVE CHAIN TENSIONER SLIPPER (See DISASSEMBLY )

28

REMOVE NO. 1 IDLE GEAR SHAFT (See DISASSEMBLY )

29

REMOVE NO. 2 CHAIN VIBRATION DAMPER (See DISASSEMBLY )

30

REMOVE NO. 1 CHAIN (See DISASSEMBLY )

31

REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (See DISASSEMBLY )

32

REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY (See DISASSEMBLY )

33

REMOVE NO. 1 CAMSHAFT AND NO. 2 CAMSHAFT

NOTE:

NOTICE:
As the thrust clearance of the camshaft is small, the camshaft must be
kept level white it is being removed. If the camshaft is not kept level, the
portion of the cylinder head which receives the shaft thrust may crack or
be damaged, causing the camshaft to seize or break. To avoid this, the

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (1GR-FE) - Tundra

a

Rotate the camshafts counterclockwise using a wrench so that the cam lobes of the No 1 cylinder
face each direction as shown in the illustration

Fig. 94: Rotating Camshafts Counterclockwise
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b

Uniformly loosen and remove the 16 bearing cap bolts in the sequence shown in the illustration

Fig. 95: Identifying Removal Sequence Of Bearing Cap Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

c

Remove the 8 bearing caps and 2 camshafts

following steps whould be carried out.

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (1GR-FE) - Tundra

34

REMOVE CYLINDER HEAD SUB-ASSEMBLY RH

a

Using a 10 mm bi-hexagon wrench, uniformly loosen the 8 cylinder head bolts in the sequence
shown in the illustration Remove the 8 cylinder head bolts and plate washers

b

Lift the cylinder head from the dowels on the cylinder block, and place the cylinder head on
wooden blocks on a bench

NOTE: NOTICE:



Be careful not to drop the plate washers into the cylinder head.



Cylinder head warpage or cracking could result from removing bolts in
the incorrect order.

Fig. 96: Identifying Cylinder Head Bolts Loosening Sequence
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

NOTICE:
Be careful not to damage the contact surfaces of the cylinder head and
cylinder block.

HINT:

If the cylinder head is difficult to lift off, pry between the cylinder head

2009 Toyota Tundra

2009 ENGINE Engine Mechanical (1GR-FE) - Tundra