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ACCELERATOR CONTROL, FUEL &
EXHAUST SYSTEMS
GI

SECTION FE MA

CONTENTS EC

PREPARATION........................................................... 2 FUEL SYSTEM ........................................................... 4 FE
Special Service Tool ............................................... 2 Fuel Tank ................................................................ 4
Commercial Service Tool ........................................ 2 FUEL PUMP AND GAUGE ................................ 5
ACCELERATOR CONTROL SYSTEM ...................... 3 EXHAUST SYSTEM ................................................... 6 CL
Accelerator Control System .................................... 3 Exhaust System ...................................................... 7
Adjusting Accelerator Wire...................................... 3
MT

IDX
PREPARATION

Special Service Tool
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.

Tool number
(Kent-Moore No.) Description
Tool name

KV999G0010 Removing and installing fuel tank lock ring
(J38879)
Fuel tank lock ring socket
NT057

KV10114400 Loosening or Tightening rear heated oxy-
(J38365) gen sensor.
Heated Oxygen Sensor
Wrench

NT636

Commercial Service Tool
Tool name
Description
(Kent-Moore No.)

Oxygen sensor thread Reconditioning the exhaust system threads
cleaner before installing a new oxygen sensor. Use
(J-43897-18) with anti-seize lubricant.
(J-43897-12) a: J-43897-18 18mm diameter, for zirconia
oxygen sensor.
b: J-43897-12 12mm diameter, for titania
oxygen sensor.

AEM488

Anti-seize lubricant Perma- Lubricating oxygen sensor thread cleaning
tex 133AR or equivalent tool when reconditioning exhaust system
meeting MIL specification threads.
MIL-A-907

AEM489

FE-2
ACCELERATOR CONTROL SYSTEM

Accelerator Control System
CAUTION:
q When removing accelerator wire, mark initial position of lock nut. GI
q Check that throttle valve opens fully when accelerator pedal is fully depressed. Check that
throttle valve returns to idle position when accelerator pedal is released.
q Check accelerator control parts for improper contact with any adjacent parts. MA
q When connecting accelerator wire, be careful not to twist or scratch wire.
q Refer to ``AUTOMATIC SPEED CONTROL DEVICE (ASCD)'' in EL-157 section for ASCD wire
adjustment. EM

WFE002
BT

HA
Adjusting Accelerator Wire
CAUTION:
q Make sure the ASCD wire is not pulling the throttle EL
drum.
q For ASCD wire adjustment, refer to EL-157 section
[``AUTOMATIC SPEED CONTROL DEVICE (ASCD)'']. IDX
1. Loosen lock nut and tighten adjusting nut until throttle drum
starts to move.
2. From that position turn back adjusting nut 1.5 to 2 turns, and
SFE248AB
tighten lock nut.

FE-3
FUEL SYSTEM

Fuel Tank
WARNING:
When replacing fuel line parts, be sure to observe the following:
q Put a ``CAUTION: FLAMMABLE'' sign in workshop.
q Do not smoke while servicing fuel system. Keep open flames and sparks away from work area.
q Be sure to furnish workshop with a CO2 fire extinguisher.
CAUTION:
q Before removing fuel line parts, carry out the following procedures:
a. Put drained fuel in an explosion-proof container and put the lid on securely.
b Release fuel pressure from fuel line. Refer to EC-34 section (``Fuel pressure Release'', ``BASIC
SERVICE PROCEDURE'').
c. Disconnect battery ground cable.
q Always replace O-ring and clamps with new ones.
q Do not kink or twist tubes when they are being installed.
q Do not tighten hose clamps excessively to avoid damaging hoses.
q After installing tubes, run engine and check for fuel leaks at connections.
q Use only a genuine fuel filler cap as a replacement.
q For inspection of On Board Refueling Vapor Recovery (ORVR) System, refer to EC-23 section
(``EVAPORATIVE EMISSION SYSTEM'').

WFE011

FE-4
FUEL SYSTEM
Fuel Tank (Cont'd)
FUEL PUMP AND GAUGE
Removal
1. Release fuel pressure from fuel line. GI
Refer to EC-34 section (``Fuel Pressure Release'', ``BASIC
SERVICE PROCEDURE'' ).
2. Remove rear seat back and bottom. Refer to BT section. MA
3. Remove inspection hole cover located under rear seat.
4. Disconnect connectors and fuel tubes.
EM
5. Remove lock ring using SST KV999G0010 (J38879).
UFE004

6. Remove tube plate assembly, and disconnect fuel tubes LC
and electrical connectors.
EC

CL
AFE035
MT
7. Remove fuel pump by pinching the two tabs together as
shown in the figure, while lifting out of fuel tank bracket.
q If fuel level sensor unit needs to be removed, pull up AT
large tab on level sensor unit, opposite the end of the
float. The level sensor unit lifts straight out of fuel tank
bracket. FA

RA
AFE014
BR
Installation
q Installation procedure is basically the reverse order of
removal. ST
CAUTION:
q Always replace O-ring with a new one.
q Align parts with alignment marks. RS
q Tighten lock ring to specified torque.
q After installation, run engine and check for leaks at con-
nections. BT
SFE166A
HA

IDX

FE-5
EXHAUST SYSTEM

CAUTION:
q Always replace exhaust gaskets with new ones when
reassembling.
q With engine running, check all tube connections for
exhaust gas leaks, and entire system for unusual noises.
q 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.
q 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.
q Before installing new oxygen sensor, clean exhaust
system threads using Oxygen Sensor Thread Cleaner
tool J-43897-18 or J-43897-12 and approved anti-seize
lubricant.
q Do not overtorque the oxygen sensor. Doing so may
cause damage to the oxygen sensor, resulting in the
MIL coming on.

FE-6
EXHAUST SYSTEM

Exhaust System

LFE032
HA

IDX

FE-7
NOTES

FE-8

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