Hummer H2. Manual — part 94

TUBES

See Hoses, Lines, and Tubes.

UNIVERSAL JOINTS (CARDON OR CROSS TYPE)

Universal Joints (Cardon or Cross Type)

VACUUM CONTROLS

See Actuators (Vacuum).

VACUUM HOSES

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.

Bearing cap distorted

B

Require replacement.

Binding

A

Require replacement.

Cross (trunion) worn, affecting
performance

A

Require replacement.

Double cardon centering ball damaged

A

Require replacement.

Double cardon centering ball worn,
affecting performance

A

Require replacement.

Double cardon centering spring broken

A

Require replacement.

Double cardon centering spring missing

C

Require replacement.

Double cardon centering spring weak

A

Require replacement.

End cap seal cracked

2

Suggest replacement.

End cap seal missing

C

Require replacement of seal.

Grease fitting broken

A

Require replacement of grease fitting.

See note below.

NOTE: A broken grease fitting does not require replacement of the U-Joint.

Grease fitting missing

C

Require replacement of grease fitting.

See note below.

NOTE: A missing grease fitting does not require replacement of the U-Joint.

Rust-colored powder around end cap seals A

Require replacement.

Threads damaged

A

Require repair or replacement.

Threads stripped (threads missing)

A

Require replacement.

Worn, affecting performance

A

Require replacement.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards DRIVE TRAIN AND TRANSMISSION

See Hoses, Lines, and Tubes.

VACUUM MOTORS

See Actuators (Vacuum).

VACUUM-OPERATED SWITCHES

See Switches.

VEHICLE SPEED SENSORS

See Speed Sensors (Electronic Wheel and Vehicle).

VENTS

Vents

VIBRATION DAMPERS

Vibration Dampers

WHEEL ATTACHMENT HARDWARE

Wheel Attachment Hardware

Condition

Code

Procedure

Broken

A

Require replacement.

Missing

C

Require replacement.

Plugged

A

Require repair or replacement. See note below.

NOTE: A plugged vent may force fluid past the seal.

Condition

Code

Procedure

Broken

A

Require replacement.

Missing

C

Require replacement.

Out of position

B

Require repair or replacement.

Threads damaged

A

Require repair or replacement.

Threads stripped (threads missing)

A

Require replacement.

NOTE:

For conditions noted below, also check conditions of wheel stud holes.

CAUTION: Proper lug nut torque is essential. Follow recommended torque

specifications and tightening sequence. DO NOT lubricate threads unless
specified by the vehicle manufacturer.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards DRIVE TRAIN AND TRANSMISSION

WHEEL SPEED SENSORS

See Speed Sensors (Electronic Wheel and Vehicle).

WIRING HARNESSES AND CONNECTORS

Wiring Harnesses and Connectors

Condition

Code

Procedure

Bent

A

Require replacement.

Broken

A

Require replacement. See note below.

NOTE: Some manufacturers require replacement of all studs on that wheel if two or
more studs or nuts on the same wheel are broken or missing.

Loose

B

Require repair or replacement of affected

component.

Lug nut installed backward

B

Require repair or replacement.

Lug nut mating surface dished

A

Require replacement of nut.

Lug nut mating type incorrect

B

Require replacement of nut.

Lug nut rounded

A

Require replacement of nut. See note below.

NOTE: Only required if removing wheel.

Lug nut seized

A

Require replacement of nut. See note below.

NOTE: Only required if removing wheel.

Stud incorrect

B

Require replacement of stud.

Threads damaged

A

Require repair or replacement.

Threads stripped (threads
missing)

A

Require replacement.

Condition

Code

Procedure

Application incorrect

B

Require repair or replacement.

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.

Insulation damaged, conductors exposed A

Require repair or replacement.

Insulation damaged, conductors not

1

Suggest replacement.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards DRIVE TRAIN AND TRANSMISSION

YOKES AND SLIP YOKES

Yokes and Slip Yokes

exposed

Open

A

Require repair or replacement.

Protective shield (conduit) melted

2

Suggest repair or replacement. See note

below.

NOTE: Determine cause and correct prior to repair or replacement of part.

Protective shield (conduit) missing

2

Suggest repair or replacement.

Resistance (voltage drop) out of
specification

A

Require repair or replacement.

Routed incorrectly

B

Require repair.

Secured incorrectly

B

Require repair.

Shorted

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

1

Suggest repair or replacement. See note

below.

NOTE: Determine cause and correct prior to repair or replacement of part.

Terminal corroded, affecting
performance

A

Require repair or replacement. See note

below.

NOTE: Determine cause and correct prior to repair or replacement of part.

Terminal corroded, not affecting
performance

1

Suggest repair or replacement.

Terminal loose, affecting performance

B

Require repair or replacement.

Terminal loose, not affecting
performance

1

Suggest repair or replacement.

Transmission connector leaking

See Transmission Assembly.

Voltage drop out of specification

A

Require repair or replacement.

Condition

Code

Procedure

Bearing cap bore distorted

A

Require repair or replacement.

Bent

A

Require replacement.

Bolt holes elongated

A

Require repair or replacement.

Bushing or seal surface worn, affecting
performance

A

Require repair or replacement.

Leaking through soft yoke plug

A

Require repair or replacement of soft

yoke plug.

Retainer strap bent

A

Require replacement of retainer strap.

1998 Chevrolet Pickup C1500

Uniform Inspection and Communication Standards DRIVE TRAIN AND TRANSMISSION