2007 TOYOTA SIENNA Service Repair Manual

Page 913 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EM–1082GR-FE ENGINE MECHANICAL  –  ENGINE UNIT
EM
11. INSPECT IDLE GEAR SHAFT OIL CLEARANCE
(a) Using a micrometer, measure the idle gear shaft 
diameter.
Idle gear shaft diameter:
22.987 to 23.00

Page 914 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE MECHANICAL  –  ENGINE UNITEM–109
EM
14. INSPECT NO. 3 CHAIN TENSIONER ASSEMBLY
(a) Check that the plunger moves smoothly.
(b) Measure the worn depth of the No. 3 chain 
tensioner.
Ma

Page 915 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EM–1102GR-FE ENGINE MECHANICAL  –  ENGINE UNIT
EM
18. INSPECT CYLINDER HEAD SUB-ASSEMBLY
(a) Using a precision straight edge and feeler gauge, 
measure the warpage of the contact surface of the 
c

Page 916 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE MECHANICAL  –  ENGINE UNITEM–111
EM
(b) Using vernier calipers, measure the valve head 
margin thickness.
Standard margin thickness:
1.0 mm (0.039 in.)
Minimum margin thickness:
0.5

Page 917 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EM–1122GR-FE ENGINE MECHANICAL  –  ENGINE UNIT
EM
(b) Lightly press the valve face against the valve seat.
(c) Check the valve face and valve spring seat by using 
the following procedure:
(1) If

Page 918 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE MECHANICAL  –  ENGINE UNITEM–113
EM
(b) Using 30 and 60 cutters, correct the valve seat so 
that the valve contacts the entire circumference of 
the seat. The contact should be in th

Page 919 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EM–1142GR-FE ENGINE MECHANICAL  –  ENGINE UNIT
EM
(b) Using a steel square, measure the deviation of the 
inner compression spring.
Maximum deviation:
1.0 mm (0.039 in.)
Maximum angle (reference):

Page 920 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE MECHANICAL  –  ENGINE UNITEM–115
EM
(b) Inspect the bank 2 camshaft thrust clearance.
(1) Install the bank 2 camshaft (See page EM-
126).
(2) Using a dial indicator, measure the thru