Infiniti G20 (P11). Manual — part 400
Removal and Installation
NCFE0004
WARNING:
When replacing fuel line parts, be sure to observe the follow-
ing:
I
Put a “CAUTION: INFLAMMABLE” sign in workshop.
I
Do not smoke while servicing fuel system. Keep open
flames and sparks away from work area.
I
Be sure to furnish the workshop with a CO
2
fire extin-
guisher.
CAUTION:
I
Before removing fuel line parts, carry out the following
procedures:
a)
Put drained fuel in an explosion-proof container and put
lid on securely.
b)
Release fuel pressure from fuel line. Refer to MA-19,
“Changing Fuel Filter”.
c)
Disconnect battery ground cable.
I
Always replace O-ring with new ones.
I
Do not kink or twist hose and tube when they are installed.
I
Do not tighten hose clamps excessively to avoid damag-
ing hoses.
I
After installation, run engine and check for fuel leaks at
connections.
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FUEL SYSTEM
Removal and Installation
FE-5
SFE534AA
SFE385A
FUEL PUMP AND GAUGE
NCFE0004S02
Removal
NCFE0004S0201
1.
Release fuel pressure.
Refer to EC-50, “Fuel Pressure Release”.
2.
Remove rear seat back and bottom. Refer to BT-43, “Removal
and Installation”.
3.
Remove inspection hole cover located under the rear seat.
4.
Disconnect fuel tubes and electrical connectors.
5.
Remove the six screws.
FUEL SYSTEM
Removal and Installation (Cont’d)
FE-6
SFE145A
6.
Disconnect fuel tubes and connector, then remove fuel level
sensor unit.
7.
Remove fuel pump with chamber.
a.
Pull up the front of the chamber.
b.
Slide chamber forward.
8.
Remove fuel pump from chamber.
Installation
NCFE0004S0202
To install, reverse the removal procedure.
CAUTION:
I
Tighten bolts to specified torque.
: 2.0 - 2.5 N·m (0.20 - 0.26 kg-m, 17.4 - 22.6 in-lb)
I
Always replace O-ring with a new one.
I
After installation, run engine and check for leaks at con-
nections.
GI
MA
EM
LC
EC
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
FUEL SYSTEM
Removal and Installation (Cont’d)
FE-7
Removal and Installation
NCFE0005
CAUTION:
I
Always replace exhaust gaskets with new ones when reassembling.
I
With engine running, check all tube connections for exhaust gas leaks, and entire system for
unusual noises.
I
Check to ensure that mounting brackets and mounting insulators are installed properly and free
from undue stress. Improper installation could result in excessive noise or vibration.
I
Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7
in) onto a hard surface such as a concrete floor; use a new one.
I
Before installing a new oxygen sensor, clean exhaust system threads using oxygen sensor thread
cleaner tool, J-43897-18 or J-43897-12, and apply anti-seize lubricant.
I
Do not overtorque the oxygen sensor. Doing so may cause damage to the oxygen sensor, result-
ing in the MIL coming on.
EXHAUST SYSTEM
Removal and Installation
FE-8
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