Hummer H2. Manual — part 124
HOSE AND TUBE COUPLERS, CONNECTORS, AND CLAMPS
NOTE: When replacing fuel lines and hoses, replace with product that meets or exceeds OEM design
specifications.
Hose and Tube Couplers, Connectors, and Clamps
HOSE CLAMPS
See Hose and Tube Couplers, Connectors, and Clamps.
HOSE CONNECTORS
See Hose and Tube Couplers, Connectors, and Clamps.
HOSE COUPLERS
See Hose and Tube Couplers, Connectors, and Clamps.
HOSES AND TUBES (FUEL LINES, RADIATOR, VACUUM, BY PASS, HEATER, RECOVERY
TANK, AND OIL COOLERS)
Bypassed
A
Require repair or replacement.
Connection leaking
A
Require repair or replacement.
Corroded
1
Suggest repair or replacement.
Fins damaged, affecting performance
A
Require repair or replacement.
Fins damaged, not affecting performance 2
Suggest repair or replacement.
Internal restrictions, affecting
performance
A
Require repair or replacement.
Leaking
A
Require repair or replacement.
Missing
C
Require replacement.
Condition
Code
Procedure
Application incorrect
B
Require replacement.
Connected incorrectly
A
Require repair.
Corroded, not reusable
1
Suggest replacement.
Cracked
A
Require replacement.
Insufficient clamping force, allowing hose to
leak
A
Require repair or replacement.
Leaking
A
Require repair or replacement.
Missing
C
Require replacement.
Safety clip missing (not leaking)
C
Require replacement of safety
clip.
Stripped
A
Require replacement.
1998 Chevrolet Pickup C1500
Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE
Hoses and Tubes (Fuel Lines, Radiator, Vacuum, By Pass, Heater, Recovery Tank, and Oil Coolers)
Condition
Code
Procedure
Application incorrect
B
Require replacement.
Connected incorrectly
A
Require repair.
Corroded, not reusable
1
Suggest replacement.
Cracked
A
Require replacement.
Dry-rotted
1
Suggest repair or
replacement.
Hard
1
Suggest repair or
replacement.
Inner fabric (webbing) damaged
A
Require replacement.
Insufficient clamping force, allowing hose to leak
A
Require repair or
replacement.
Leaking
A
Require repair or
replacement.
Maintenance intervals
3
Suggest replacement.
Melted
1
Suggest repair or
replacement.
Missing
C
Require replacement.
Outer covering damaged
1
Suggest replacement.
Outer covering damaged to the extent that the inner
fabric is visible
A
Require replacement.
Protective sleeves damaged
2
Suggest replacement of
sleeves.
Protective sleeves missing
C
Require replacement of
sleeves.
Restricted, affecting performance
A
Require repair or
replacement.
Restricted, not affecting performance
2
Suggest repair or
replacement.
Routed incorrectly, where failure is likely to occur
B
Require repair or
replacement.
Safety clip missing
C
Require replacement.
Spongy
1
Suggest repair or
replacement.
Stripped
A
Require replacement.
Swollen
B
Require replacement.
Threads damaged
A
Require repair or
replacement.
Threads stripped (threads missing)
A
Require replacement.
Type incorrect
1
Suggest repair or
1998 Chevrolet Pickup C1500
Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE
HOUSINGS
See Thermostats and Housings.
IDLE AIR CONTROLS
Idle Air Controls
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.
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.
1998 Chevrolet Pickup C1500
Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE
IDLE SPEED CONTROL ACTUATORS
Idle Speed Control Actuators
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
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.
Terminal broken
A
Require repair or replacement.
1998 Chevrolet Pickup C1500
Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE
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