Toyota Tundra. Manual — part 1775

Fig. 19: Identifying Timing Marks Of Camshaft Timing Gears And Sprockets
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

7

INSPECT VALVE CLEARANCE

a

Check the valves indicated below

1

Using a feeler gauge, measure the clearance between the valve lifter and camshaft

Standard valve clearance (Cold)

VALVE CLEARANCE (COLD) SPECIFICATION

Item

Specified Condition

Intake

0 15 to 0 25 mm (0 00591 to

0 00984 in )

Exhaust

0 29 to 0 39 mm (0 0114 to

0 0154 in )

2009 Toyota Tundra

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

Fig. 20: Measuring Clearance Between Valve Lifter And Camshaft Using Feeler Gauge
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

Record the out-of-specification valve clearance measurements They will be used later to
determine the required replacement valve lifter

b

Turn the crankshaft 2/3 of a revolution (240°)

c

Check the valves indicated below

1

Using a feeler gauge, measure the clearance between the valve lifter and camshaft

Standard valve clearance (Cold)

VALVE CLEARANCE (COLD) SPECIFICATION

Item

Specified Condition

Intake

0 15 to 0 25 mm (0 00591 to

0 00984 in )

Exhaust

0 29 to 0 39 mm (0 0114 to

0 0154 in )

2009 Toyota Tundra

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

Fig. 21: Measuring Clearance Between Valve Lifter And Camshaft Using Feeler Gauge
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

Record the out-of-specification valve clearance measurements They will be used later to
determine the required replacement valve lifter

d

Turn the crankshaft 2/3 of a revolution (240°)

e

Check the valves indicated below

1

Using a feeler gauge, measure the clearance between the valve lifter and camshaft

Standard valve clearance (Cold)

VALVE CLEARANCE (COLD) SPECIFICATION

2

Record the out-of-specification valve clearance measurements They will be used later to
determine the required replacement valve lifter

Item

Specified Condition

Intake

0 15 to 0 25 mm (0 00591 to

0 00984 in )

Exhaust

0 29 to 0 39 mm (0 0114 to

0 0154 in )

2009 Toyota Tundra

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

Fig. 22: Measuring Clearance Between Valve Lifter And Camshaft Using Feeler Gauge
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

8

ADJUST VALVE CLEARANCE

a

Set the No 1 cylinder to TDC/compression

1

Turn the crankshaft pulley, and align the notch with the timing mark "0" of the timing chain
cover

Fig. 23: Aligning Groove With Timing Mark Of Timing Chain Cover
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

Check that the timing marks of the camshaft timing gears and sprockets are aligned with the
timing marks of the bearing caps shown below

If not, turn the crankshaft 1 complete revolution (360°) and align the timing marks as above

2009 Toyota Tundra

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