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2-4 PERIODIC MAINTENANCE
Torque and Locking Agent
The following tables list the tightening torque
for the major fasteners requiring use of a non
-perma
nent locking agent or liquid gasket.
Letter
s used in the “Remarks” column mean:
L: A pply a non-permanent locking agent to
the threads.
G: Apply
grease to the threads.
MO: A pply m olybdenum disulfide grease oil
solution.
EO: Apply
oil to the threads and seating sur-
face.
S: Tighten the fasteners following the speci-
fied
sequence.
SS: Apply silicone sealant.
Si: Apply silicone grease (ex. PBC grease).
R: Rep
lacement parts
AL: Tighten the two clamp bolts alternately
two times to ensure even tightening
tor
que.
The table on the right lists the basic torque
for the bolts and nuts, w hich are determined
by thei
r thread diameter. Use this table for the
bolts and nuts that are not listed in the table
below according to their thread diameter. All of
the ti
ghtening torque values are for use with dry
threads that have been cleaned with solvent.
Basic Torque for General Fasteners
Threads Torque
dia. (mm) N·m kgf·m ft·lb
5 3.4 ∼ 4.9 0.35 ∼ 0.50 30 ∼ 43 in·lb
6 5.9 ∼ 7.8 0.60 ∼ 0.80 52 ∼ 69 in·lb
8 14 ∼19 1.4 ∼1.9 10.0 ∼ 13.5
10 25 ∼ 34 2.6 ∼ 3.5 19.0 ∼ 25
12 44 ∼ 61 4.5 ∼ 6.2 33 ∼ 45
14 73 ∼ 98 7.4 ∼ 10.0 54 ∼ 72
16 115 ∼ 155 11.5 ∼ 16.0 83 ∼ 115
18 165 ∼ 225 17.0 ∼ 23.0 125 ∼ 165
20 225 ∼ 325 23 ∼ 33 165 ∼ 240
Torque
Fastener
N·m kgf·m ft·lb
Remarks
Fuel S ystem:
Inlet air pressure sensor bolt 12 1.2 104 in·lb
Water temperature sensor 25 2.5 18
Vehicle downsensor bolts 2 0.2 17 in·lb
Cam shaft position sensor bolt
12 1.2 104 in·lb
Cam shaft position sensor rotor bolt 12 1.2 104 in·lb L
Throttle cable plate bolt 6 0.6 52 in·lb
Throttle body cover bolts 7 0.7 61 in·lb
Throttle body assy holder clamp bolts 2 0.2 17 in·lb
Choke link holder screws 2.1 0.21 18 in·lb
Delivery pipe screws 3.4 0.35 30 in·lb
Bypass screws 0.2 0.02 1.7 in·lb
Air cleaner duct holder screws 3.8 0.39 34 in·lb
Air cleaner housing mounting bolts 9.8 1.0 87 in·lb
Air cleaner duct clamp bolts 2 0.2 17 in·lb
Air cleaner housing screws 1.2 0.12 10 in·lb
Air cleaner housing tapping screws 1.2 0.12 10 in·lb
Speed sensor bolt 6.9 0.7 62 in·lb L
Fuel pump bolts 9.8 1.0 87 in·lb
S, L
Fuel level sensor bolts 6.9 0.7 62 in·lb
Cooling System:
Radiator hose clamp screws 2 0.2 17 in·lb
Thermostat air bleeder bolt 7.8 0.80 69 in·lb
Radiator fan bolts 8.3 0.85 74 in·lb
Water pump impeller bolt 10 1.0 87 in·lb
Water pump cover bolts 11 1.1 95 in·lb