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4-102 2005 Buell Firebolt: Fuel System
HOME
ENGINE TEMPERATURE SENSOR
4.34
GENERAL
The Engine Temperature Sensor (ET Sensor), located in the
rear cylinder head, monitors the engine temperature close to
the combustion chamber. In addition to aiding the ECM in
monitoring the operation of the engine, it is also used to warn
the operator of potentially damaging temperatures by causing
the CHECK ENGINE lamp to blink during operation.
REMOVAL
1
WARNING
1
WARNING
To prevent accidental vehicle start-up, which could
cause death or serious injury, disconnect negative (-)
battery cable before proceeding. (00048a)
1.
Disconnect negative battery cable.
2.
Remove intake cover assembly. See
2.34 INTAKE
COVER ASSEMBLY
.
3.
Remove airbox. See
4.45 AIRBOX
.
4.
See Figure 4-77. Remove right upper tie bar fastener (2).
Rotate tie bar to provide access to sensor.
CAUTION
Do not pull on engine temperature sensor wiring. Excess
strain to sensor wiring will cause sensor damage.
5.
Unplug 1-place ET Sensor connector (1) [90] above rear
cylinder head.
6.
Slide rubber boot up ET sensor wire.
7.
Remove sensor from rear cylinder head using Snap-on
socket M3503B.
INSTALLATION
CAUTION
Do not pull on engine temperature sensor wiring. Excess
strain to sensor wiring will cause sensor damage.
1.
See
Figure 4-76.
Screw sensor into rear cylinder head.
NOTE
In next step, make sure wire is in cutout portion (slot) of
socket to prevent damage.
2.
Secure sensor with Snap-on socket M3503B. Tighten ET
sensor to 120-168
in-lbs
(13.6-19 Nm).
NOTE
Orient the rubber boot so the flat on the boot is towards the
left side of the motorcycle.
3.
Push rubber boot down sensor wire towards cylinder
head until it seats in hole on top of ET sensor.
4.
See
Figure 4-77.
Connect ET sensor 1-place connector
[90] to wiring harness.
5.
Install right upper tie bar fastener (2). Tighten fastener to
25-27 ft-lbs (33.9-36.6 Nm).
6.
Install airbox. See
4.45 AIRBOX
.
7.
Install intake cover assembly. See
2.34 INTAKE COVER
ASSEMBLY
.
8.
Connect negative battery cable.
Figure 4-76. Engine Temperature Sensor Location (rear
cylinder)
b0801x4x
Figure 4-77. Engine Temperature Sensor Connector
Approximate Location [90]
1.
Engine temperature sensor connector [90]
(approximate location)
2.
Upper tie bar fastener (right side)
1
2
8425a
Summary of Contents for 2005 FIREBOLT
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Page 601: ...D 2 2005 Buell Firebolt Appendix D HOME Figure D 2 Rear Brake Systems Top View b1115xbx ...
Page 602: ...2005 Buell Firebolt Appendix D D 3 HOME Figure D 3 Rear Brake Systems Left Side View b1116xcx ...
Page 613: ...HOME NOTES ...