Hummer H2. Manual — part 135

VACUUM TUBES

See Vacuum Hoses, Tubes, and Connections (Non-metallic).

VALVE COVERS

See Engine Covers, Gaskets, and Grommets (Valve Cover)

VEHICLE SPEED SENSORS

Vehicle Speed Sensors

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.

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.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

VOLUME AIR FLOW SENSORS

Volume Air Flow Sensors

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.

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.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

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.

Threads damaged

A

Require repair or replacement.

Threads stripped (threads missing)

A

Require replacement.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

WASTE GATE CONTROL SOLENOIDS

Waste Gate 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.

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