Toyota Tundra (2015 year). Manual — part 2074
(e) Check the fitting condition between the piston and piston pin.
(1) Move the connecting rod back and forth on the piston pin.
Check the fitting condition.
If abnormal movement is felt, replace the piston and pin
as a set.
(2) Rotate the piston back and forth on the piston pin. Check the fitting condition.
If abnormal movement is felt, replace the piston and pin as a set.
(f) Using a small screwdriver, install a new snap ring at the other
4. INSTALL PISTON RING SET
HINT:
Perform " Inspection After Repairs" after replacing the piston ring
.
(a) Install the oil ring expander and 2 side rails by hand.
(b) Using a piston ring expander, install the 2 compression rings so that the paint marks are positioned as
shown in the illustration.
3UR-FE ENGINE MECHANICAL: CYLINDER BLOCK: REASSEMB...
HINT:
ITEM
PAINT MARK
Type A
No. 1 Compression Ring
Blue
No. 2 Compression Ring
Orange
Type B
No. 1 Compression Ring
Yellow
No. 2 Compression Ring
Green
5. INSTALL CRANKSHAFT BEARING
NOTICE:
3UR-FE ENGINE MECHANICAL: CYLINDER BLOCK: REASSEMB...
(1) Install the upper bearing to the cylinder block as shown in
the illustration.
NOTICE:
NOTICE:
(2) Using a vernier caliper, measure the distance between
the bearing cap's edge and the lower bearing's edge.
Dimension A - B or B - A:
0 to 0.7 mm (0 to 0.0276 in.)
NOTICE:
Do not apply engine oil to the bearings and the contact
surfaces.
Do not allow coolant to come into contact with the bearing
inner surface.
If any coolant comes into contact with the bearing inner
surface, replace the bearing with a new one.
6. INSTALL CRANKSHAFT THRUST WASHER SET
(a) Apply engine oil to the thrust washer set.
oil grooves facing outward.
7. INSTALL CRANKSHAFT
(a) Apply engine oil to the upper bearing and lower bearing, then
place the crankshaft on the cylinder block.
HINT:
A number is marked on each main bearing cap to indicate the installation position.
(e) Insert the main bearing cap by hand until the clearance
between the main bearing cap and cylinder block is less than
6 mm (0.236 in.) by marking the 2 internal bearing cap bolts
as a guide.
Bolt length:
91 mm (3.58 in.)
(f) Using a plastic-faced hammer, lightly tap the bearing cap to
ensure a proper fit.
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