Hummer H2. Manual — part 126
INERTIA FUEL SHUT-OFF SWITCHES
Inertia Fuel Shut-Off Switches
Torn
A
Require replacement.
Condition
Code
Procedure
Attaching hardware broken
A
Require repair or replacement of
hardware.
Attaching hardware missing
C
Require replacement of hardware.
Attaching hardware not functioning
A
Require repair or replacement of
hardware.
Connector broken
A
Require repair or replacement.
Connector melted
A
Require repair or replacement. See note
below.
NOTE: Determine cause and correct prior to repair or replacement of part.
Connector missing
C
Require replacement.
Contaminated
A
Require replacement.
NOTE: Determine source of contamination, such as engine coolant, fuel, metal particles,
or water. Require repair or replacement.
Inoperative
A
Require repair or replacement. See note
below.
NOTE: Inoperative includes intermittent operation or out of OEM specification.
Missing
C
Require replacement.
Terminal broken
A
Require repair or replacement.
Terminal burned, affecting performance
A
Require repair or replacement. See note
below.
NOTE: Determine cause and correct prior to repair or replacement of part.
Terminal burned, not affecting
performance
2
Suggest repair or replacement.
Terminal corroded, affecting
performance
A
Require repair or replacement.
Terminal corroded, not affecting
performance
2
Suggest repair or replacement.
Terminal loose, affecting performance
B
Require repair or replacement.
Terminal loose, not affecting
performance
1
Suggest repair or replacement.
Wire lead conductors exposed
B
Require repair or replacement.
Wire lead corroded
A
Require repair or replacement.
Wire lead open
A
Require repair or replacement.
Wire lead shorted
A
Require repair or replacement.
1998 Chevrolet Pickup C1500
Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE
INTAKE AIR TEMPERATURE SENSORS
Intake Air Temperature Sensors
Condition
Code
Procedure
Attaching hardware missing
C
Require replacement of hardware.
Attaching hardware threads
damaged
A
Require repair or replacement of hardware.
Attaching hardware threads
stripped (threads missing)
A
Require repair or replacement of hardware.
Connector broken
A
Require repair or replacement.
Connector (Weatherpack type)
leaking
A
Require repair or replacement.
Connector melted
A
Require repair or replacement. See note
below.
NOTE: Determine cause and correct prior to repair or replacement of part.
Connector missing
C
Require replacement.
Contaminated
A
Require repair or replacement. See note
below.
NOTE: Determine source of contamination, such as engine coolant, fuel, metal particles,
or water. Require repair or replacement.
Inoperative
B
Require repair or replacement. Further
inspection required. See note below.
NOTE: Inoperative includes intermittent operation or out of OEM specification. Some
components may be serviceable; check for accepted cleaning procedure.
Leaking
A
Require repair or replacement.
Missing
C
Require replacement.
Resistance out of specification
B
Require repair or replacement.
Restricted, affecting performance
A
Require repair or replacement.
Terminal broken
A
Require repair or replacement.
Terminal burned, affecting
performance
A
Require repair or replacement. See note
below.
NOTE: Determine cause and correct prior to repair or replacement of part.
Terminal burned, not affecting
performance
2
Suggest repair or replacement.
Terminal corroded, affecting
performance
A
Require repair or replacement.
Terminal corroded, not affecting
performance
2
Suggest repair or replacement.
Terminal loose, affecting
performance
B
Require repair or replacement.
Terminal loose, not affecting
performance
1
Suggest repair or replacement.
1998 Chevrolet Pickup C1500
Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE
INTAKE MANIFOLDS
Intake Manifolds
INTERCOOLERS
See Charge Air Coolers "Intercoolers" (CAC).
KNOCK SENSORS
Knock Sensors
Threads damaged
A
Require repair or replacement.
Threads stripped (threads missing)
A
Require replacement.
Wire lead conductors exposed
B
Require repair or replacement.
Wire lead corroded
A
Require repair or replacement.
Wire lead open
A
Require repair or replacement.
Wire lead shorted
A
Require repair or replacement.
Condition
Code
Procedure
Corroded, affecting sealability
A
Require repair or replacement.
Integrated air or fuel control components
inoperative
A
Require repair or replacement.
See note below.
NOTE: Inoperative includes intermittent operation or out of OEM specification.
Internal air or fuel components damaged,
affecting performance
A
Require repair or replacement of
component.
Internal air or fuel components damaged, not
affecting performance
No service suggested or required.
Internal air or fuel components missing
C
Require replacement of
component.
Leaking
A
Require repair or replacement.
Out of specification
B
Require replacement.
Restricted
A
Require repair or replacement.
Threads damaged
A
Require repair or replacement.
Threads stripped (threads missing)
A
Require repair or replacement.
Warped
B
Require repair or replacement.
Condition
Code
Procedure
Attaching hardware missing
C
Require replacement of hardware.
Attaching hardware threads
damaged
A
Require repair or replacement of hardware.
Attaching hardware threads
stripped (threads missing)
A
Require repair or replacement of hardware.
1998 Chevrolet Pickup C1500
Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE
LIQUID VAPOR SEPARATORS
Liquid Vapor Separators
Connector broken
A
Require repair or replacement.
Connector (Weatherpack type)
leaking
A
Require repair or replacement.
Connector melted
A
Require repair or replacement. See note
below.
NOTE: Determine cause and correct prior to repair or replacement of part.
Connector missing
C
Require replacement.
Inoperative
B
Require repair or replacement. Further
inspection required. See note below.
NOTE: Inoperative includes intermittent operation or out of OEM specification. Some
components may be serviceable; check for accepted cleaning procedure.
Leaking
A
Require repair or replacement.
Missing
C
Require replacement.
Resistance out of specification
B
Require repair or replacement.
Terminal broken
A
Require repair or replacement.
Terminal burned, affecting
performance
A
Require repair or replacement. See note
below.
NOTE: Determine cause and correct prior to repair or replacement of part.
Terminal burned, not affecting
performance
2
Suggest repair or replacement.
Terminal corroded, affecting
performance
A
Require repair or replacement.
Terminal corroded, not affecting
performance
2
Suggest repair or replacement.
Terminal loose, affecting
performance
B
Require repair or replacement.
Terminal loose, not affecting
performance
1
Suggest repair or replacement.
Threads damaged
A
Require repair or replacement.
Threads stripped (threads missing)
A
Require replacement.
Wire lead conductors exposed
B
Require repair or replacement.
Wire lead corroded
A
Require repair or replacement.
Wire lead open
A
Require repair or replacement.
Wire lead shorted
A
Require repair or replacement.
Condition
Code
Procedure
Inoperative
A
Require repair or replacement. See note below.
NOTE: Inoperative includes intermittent operation or out of OEM specification.
1998 Chevrolet Pickup C1500
Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE
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