Toyota Tundra. Manual — part 1816

Fig. 270: Identifying Bearing Cap Bolt Loosening Sequence
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

46

REMOVE NO. 1 CAMSHAFT BEARING (for Bank 1)

Fig. 271: Locating No. 1 Camshaft Bearing (For Bank 1)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

47

REMOVE NO. 2 CAMSHAFT BEARING (for Bank 1)

Fig. 272: Locating No. 2 Camshaft Bearing (For Bank 1)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

48

REMOVE NO. 3 CAMSHAFT AND NO. 4 CAMSHAFT (for Bank 2)

a

Remove the No 3 and No 4 camshafts

1

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

2

Remove the 8 bearing caps and 2 camshafts

2009 Toyota Tundra

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

Fig. 273: Identifying Bearing Cap Bolt Loosening Sequence
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

49

REMOVE CYLINDER HEADS

a

Using a 10 mm bi-hexagon wrench, uniformly loosen the 2 bolts in the sequence shown below
Remove the 2 cylinder head bolts and plate washers

Fig. 274: Identifying Cylinder Head Bolt Loosening Sequence
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b

Using a 10 mm bi-hexagon wrench, uniformly loosen the 16 bolts in the sequence shown below
Remove the 16 cylinder head bolts and plate washers

NOTE:



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.

2009 Toyota Tundra

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

c

Lift the cylinder head from the dowels on the cylinder block, and place the 2 cylinder heads on
wooden blocks on a bench

HINT:

If the cylinder head is difficult to lift off, pry between the cylinder head and cylinder block with a
screwdriver

Fig. 276: Prying Between Cylinder Head & Cylinder Block Using Screwdriver
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 275: Identifying Bolt Loosening Sequence
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NOTE:

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

2009 Toyota Tundra

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

50

REMOVE CYLINDER HEAD GASKET

51

REMOVE NO. 2 CYLINDER HEAD GASKET

52

REMOVE NO. 1 WATER OUTLET PIPE

a

Remove the 3 bolts and water outlet pipe

Fig. 277: Locating No. 1 Water Outlet Pipe Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

53

REMOVE KNOCK SENSOR

a

Remove the 2 bolts and 2 knock sensors

Fig. 278: Locating Knock Sensors & Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION

1

INSPECT CYLINDER HEAD SET BOLT

a

Using a vernier caliper, measure the outside thread diameter of the bolt

Measuring point: 73.0 mm (2.87 in.)

Standard outside diameter: 10.85 to 11.0 mm (0.427 to 0.433 in.)

Minimum outside diameter: 10.7 mm (0.421 in.)

2009 Toyota Tundra

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