Hummer H2. Manual — part 118

EGR COOLERS

See EGR Plates and Coolers.

EGR EXHAUST MANIFOLD PASSAGES

See EGR Intake and Exhaust Manifold Passages.

EGR INTAKE AND EXHAUST MANIFOLD PASSAGES

EGR Intake and Exhaust Manifold Passages

EGR PLATES AND COOLERS

EGR Plates and Coolers

ELECTRONIC SPARK CONTROL MODULES

Electronic Spark Control Modules

Diaphragm inoperative

A

Further inspection required. See note below.

NOTE: Inoperative includes intermittent operation or out of OEM specification. If the
inoperative diaphragm is separate from the heat riser, then require replacement of the
inoperative diaphragm. If the inoperative diaphragm is part of the heat riser, then replace
the heat riser.

Leaking

A

Require repair or replacement.

Noisy

2

Suggest repair or replacement.

Seized

A

Require replacement of affected parts.

Spring broken

B

Require replacement of spring(s).

Spring inoperative

A

Require replacement of spring(s). See note below.

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

Condition

Code

Procedure

Leaking

A

Require repair or replacement.

Restricted, affecting performance

A

Require repair or replacement.

Condition

Code

Procedure

Leaking

A

Require repair or replacement.

Missing

C

Require replacement.

Restricted, affecting performance

A

Require repair or replacement.

Condition

Code

Procedure

Application incorrect

B

Require replacement.

Attaching hardware missing

C

Require replacement of hardware.

Attaching hardware threads damaged

A

Require repair or replacement of

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

ELECTRONIC TRANSMISSION CONTROL DEVICES

Electronic Transmission Control Devices

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

A

Require repair.

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 of source.

Leaking

A

Require repair or replacement.

Malfunctioning

A

Require repair or replacement. See

note below.

NOTE: Includes inoperative, intermittent operation, failure to perform all functions, 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.

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.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

ELECTRONIC TRANSMISSION FEEDBACK DEVICES

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.

Leaking

A

Require repair or replacement.

Malfunctioning

A

Require repair or replacement. See

note below.

NOTE: Includes inoperative, intermittent operation, failure to perform all functions, or
out of OEM specification.

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.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

Electronic Transmission Feedback Devices

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.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE