Toyota Tundra (2015 year). Manual — part 2577
housing.
HINT:
Check the identification mark stamped on the camshaft.
ITEM
MARK
for Intake Side
NO. 1
for Exhaust Side
NO. 2
(c) Confirm the marks and numbers on the camshaft bearing caps and place them in their proper positions
and directions.
(d) Temporarily install the 10 bolts in the order shown in the
illustration.
22. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY RH
(a) Make sure that the valve rocker arms are installed as shown in the illustration.
(b) Apply seal packing in a continuous line as shown in the
illustration.
Seal packing:
Toyota Genuine Seal Packing Black, Three Bond 1207B or
equivalent
Standard seal diameter:
3.5 to 4.0 mm (0.138 to 0.157 in.)
NOTICE:
Remove any oil from the contact surface.
Install the camshaft housing within 3 minutes and tighten the
3UR-FE ENGINE MECHANICAL: ENGINE UNIT: REASSEMBLY; 2...
bolts within 15 minutes after applying seal packing.
(c) Install the camshaft housing, and install the 18 bolts in the
order shown in the illustration.
Torque:
for bolt A -
10 N·m {102 kgf·cm, 7ft·lbf}
for except bolt A -
30 N·m {306 kgf·cm, 22ft·lbf}
NOTICE:
Torque:
16 N·m {163 kgf·cm, 12ft·lbf}
NOTICE:
Thoroughly wipe clean any seal packing.
23. INSTALL CAMSHAFT BEARING CAP LH
HINT:
Perform "Inspection After Repairs" after replacing the No. 3 or No. 4 camshaft
.
housing.
HINT:
Check the identification mark stamped on the camshaft.
ITEM
MARK
for Intake Side
NO. 3
for Exhaust Side
NO. 4
(c) Confirm the marks and numbers on the camshaft bearing caps and place them in their proper positions
and directions.
3UR-FE ENGINE MECHANICAL: ENGINE UNIT: REASSEMBLY; 2...
(d) Temporarily install the 10 bolts in the order shown in the
illustration.
24. INSTALL CAMSHAFT HOUSING SUB-ASSEMBLY LH
(a) Install the valve rocker arms as shown in the illustration.
(b) Apply seal packing in a continuous line as shown in the
illustration.
Seal packing:
Toyota Genuine Seal Packing Black, Three Bond 1207B or
equivalent
Standard seal diameter:
3.5 to 4.0 mm (0.138 to 0.157 in.)
NOTICE:
Remove any oil from the contact surface.
Install the camshaft housing within 3 minutes and tighten the
bolts within 15 minutes after applying seal packing.
(c) Install the camshaft housing, and install the 18 bolts in the
order shown in the illustration.
Torque:
for bolt A -
10 N·m {102 kgf·cm, 7ft·lbf}
for except bolt A -
30 N·m {306 kgf·cm, 22ft·lbf}
NOTICE:
(d) Tighten the 10 bolts in the order shown in the illustration.
Torque:
16 N·m {163 kgf·cm, 12ft·lbf}
NOTICE:
Thoroughly wipe clean any seal packing.
25. INSTALL CRANKSHAFT TIMING GEAR KEY
(a) Install the timing gear key.
HINT:
The other timing gear key will be installed at a later step.
26. INSTALL NO. 2 CHAIN TENSIONER ASSEMBLY
(a) Install the chain tensioner with the 2 bolts.
Torque:
10 N·m {102 kgf·cm, 7ft·lbf}
(b) While raising up the No. 2 chain tensioner, insert a pin of
φ1.0 mm (0.0394 in.) into the hole to fix it in place.
27. INSTALL NO. 1 CHAIN SUB-ASSEMBLY RH
HINT:
Perform "Inspection After Repairs" after replacing the No. 1 or No. 2 camshaft sub-assembly or
camshaft timing gear RH or camshaft timing exhaust gear RH
.
(a) Align the No. 1 chain's orange mark plate with the camshaft timing gear's timing mark, and attach the
chain to the gear as shown in the illustration.
3UR-FE ENGINE MECHANICAL: ENGINE UNIT: REASSEMBLY; 2...
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