2007 TOYOTA SIENNA Service Repair Manual

Page 1057 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 1058 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 1059 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 1060 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 1061 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 1062 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

Page 1063 of 3000

TOYOTA SIENNA 2007  Service Repair Manual EM–1162GR-FE ENGINE MECHANICAL  –  ENGINE UNIT
EM
(i) Lay a strip of Plastigage across each of the 
camshaft journals.
(j) Install the bearing caps (See page EM-126).
NOTICE:
Do not turn the camsh

Page 1064 of 3000

TOYOTA SIENNA 2007  Service Repair Manual 2GR-FE ENGINE MECHANICAL  –  ENGINE UNITEM–117
EM
(c) Lay a strip of Plastigage on the crank pin.
(d) Check that the front mark of the connecting rod cap 
is facing forward.
(e) Install the connec