Lexus SC300 / Lexus SC400. Manual - part 500
TORQUE SPECIFICATIONS
Part tightened
N
⋅
m
kgf
⋅
cm
ft
⋅
lbf
Fuel line
Union bolt type
Flare nut type
29
300
22
Fuel pipe X Delivery pipe
39
400
29
Fuel pump bracket X Fuel tank
5.4
55
48 in.
⋅
lbf
Fuel pump set plate X Fuel tank
3.9
40
35 in.
⋅
lbf
Fuel tank X Body
25
250
18
Fuel sender gauge X Fuel tank
2.9
30
26 in.
⋅
lbf
Fuel inlet pipe X Fuel tank
2.9
30
26 in.
⋅
lbf
Fuel tank main tube X Fuel tank
29
300
22
Fuel tank return tube X Fuel tank
29
300
22
Fuel tank evaporation vent tube X Fuel tank
29
300
22
Air flow meter X Air cleaner case
10
100
7
Cold start injector X Air intake chamber
7.8
80
69 in.
⋅
lbf
Cold start injector tube X Cold start injector
15
150
11
Air intake chamber X Intake manifold
18
185
13
EGR pipe X Air intake chamber
18
185
13
EGR pipe X RH cylinder head
18
185
13
Cold start injector tube X RH Delivery pipe
15
150
11
Throttle body X Air intake chamber
18
185
13
Fuel return pipe X Fuel pressure regulator
35
360
26
Fuel pressure regulator X RH delivery pipe
29
300
22
Delivery pipe X Intake manifold
18
185
13
Fuel inlet hose X LH delivery pipe
39
400
29
for SST
33
340
24
ISC valve X Air intake chamber
18
185
13
Cold start injector time switch X Front water by–pass joint
34
350
25
Water temperature sensor X Front water by–pass joint
20
200
14
Water inlet housing X Water pump
18
185
13
EGR gas temperature sensor X EGR valve adaptor
20
200
14
EGR valve adaptor X Air intake chamber
18
185
13
EGR valve X EGR valve adaptor
18
185
13
Knock sensor X Cylinder block
44
450
33
Intake manifold X Cylinder head
18
185
13
Main oxygen sensor X Exhaust manifold
44
450
33
Sub–oxygen sensor X Exhaust manifold
44
450
33
FI–142
EFI SYSTEM – Service Specifications