Hummer H2. Manual — part 112

AIR INJECTION CONTROL SOLENOIDS

Air Injection Control Solenoids

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.

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.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

AIR PLENUMS

Air Plenums

AIR PUMP BELTS

Air Pump Belts

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

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.

Restricted

A

Require repair or replacement.

Threads damaged

A

Require repair or replacement.

Threads stripped (threads missing)

A

Require repair or replacement.

Condition

Code

Procedure

Alignment incorrect

B

Further inspection required. See note below.

NOTE: Determine cause of incorrect alignment and require repair.

Cracked

1

Suggest replacement.

Frayed

1

Suggest replacement.

Maintenance intervals

3

Suggest replacement to comply with vehicle OEM

recommended service intervals.

Missing

C

Require replacement.

Noisy

2

Further inspection required. See note below.

NOTE: Determine cause of noise and suggest repair.

Plies separated

A

Require replacement.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

AIR PUMPS (ELECTRIC-DRIVEN)

Air Pumps (Electric-driven)

Tension out of
specification

B

Require adjustment or replacement.

Worn beyond adjustment
range

B

Require replacement.

Worn so it contacts bottom
of pulley

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 (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

A

Require replacement. See note below.

NOTE: Inoperative includes intermittent operation or out of OEM specification.

Leaking

A

Require replacement.

Missing

C

Require replacement.

Noisy

2

Suggest 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.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

AIR TUBES

See Air Ducts and Tubes.

ASPIRATOR, CHECK, AND DECEL VALVES

Aspirator, Check, and Decel Valves

BAFFLES

See Shrouds, Baffles, and Deflectors.

BALLAST PRIMARY SUPPLY RESISTOR WIRES

See Ballast Resistors and Primary Supply Resistor Wires.

BALLAST RESISTORS AND PRIMARY SUPPLY RESISTOR WIRES

Ballast Resistors and Primary Supply Resistor Wires

Threads stripped (threads missing)

A

Require repair or 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.

Inoperative

A

Require repair or replacement. See note

below.

NOTE: Inoperative includes intermittent operation or out of OEM specification.

Leaking

A

Require replacement.

Melted, affecting performance

A

Require replacement.

Melted, not affecting performance

No service suggested or required.

Missing

C

Require replacement.

Threads damaged

A

Require repair or replacement.

Threads stripped (threads missing)

A

Require repair or 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.

Conductor exposed

A

Require replacement.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE