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