Hummer H2. Manual - part 133

THROTTLE CABLES 

See Throttle Linkages and Cables.  

THROTTLE LINKAGES AND CABLES 

Throttle Linkages and Cables 

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. 

Bent 

A 

Require repair or replacement. 

Binding 

A 

Require repair or replacement. 

Bracket bent, affecting performance 

A 

Require repair or replacement. 

Bracket bent, not affecting performance 

No service suggested or required. 

Bracket broken, affecting performance 

A 

Require replacement. 

Bracket broken, not affecting 
performance 

No service suggested or required. 

Bracket corroded, affecting 
performance 

A 

Require repair or replacement. 

Bracket corroded, not affecting 
performance 

2 

Suggest repair or replacement. 

Bracket cracked, affecting performance 

A 

Require repair or replacement. 

Bracket cracked, not affecting 
performance 

1 

Suggest repair or replacement. 

Bracket loose, affecting performance 

A 

Require repair or replacement. 

Bracket loose, not affecting 
performance 

1 

Suggest repair or replacement. 

Bracket missing 

C 

Require replacement. 

Broken 

A 

Require replacement. 

Cracked 

A 

Require repair or replacement. 

Disconnected 

A 

Require repair or replacement. 

Kinked 

A 

Require repair or replacement. 

Melted 

A 

Require repair or replacement. 

Missing 

C 

Require replacement. 

Noisy 

2 

Suggest repair or replacement. 

Out of adjustment 

B 

Require repair or replacement. See note 

below. 

NOTE: Follow OEM recommended adjustment procedures. Require repair or 

 

1998 Chevrolet Pickup C1500 

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

  

THROTTLE POSITION SENSORS 

Throttle Position Sensors 

replacement if out of specification. 

Routed incorrectly 

2 

Suggest repair. 

Seized 

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. 

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. 

 

1998 Chevrolet Pickup C1500 

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

  

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. 

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. 

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. 

 

1998 Chevrolet Pickup C1500 

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

  

TIMING BELT SPROCKETS 

Timing Belt Sprockets 

TIMING BELTS 

Timing Belts 

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 

Alignment incorrect 

B 

Require repair. 

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. 

Bent 

A 

Require replacement. 

Cracked 

A 

Require replacement. 

Key damaged 

A 

Require replacement. 

Loose 

A 

Require repair or replacement. 

Missing 

C 

Require replacement. 

Pulley damaged, affecting belt life 

A 

Require replacement. 

Sprocket damaged, affecting belt life 

A 

Require repair or replacement. 

Sprocket loose 

B 

Require repair or replacement. 

Sprocket-to-shaft alignment incorrect 

B 

Require repair or replacement. 

Condition 

Code 

Procedure 

Adjustment incorrect 

2 

Suggest adjustment. See note below. 

NOTE: Inspect belt tensioners, pulleys, and cover. 

Alignment incorrect 

B 

Further inspection required. See note below. 

NOTE: Determine cause of incorrect alignment and require repair. 

Broken 

A 

Require replacement. 

Cam timing out of 
specification 

B 

Require repair. 

Cracked 

1 

Suggest replacement. 

Fluid-soaked 

1 

Suggest replacement. Further inspection required. 

Frayed 

1 

Suggest replacement. 

Maintenance intervals 

3 

Suggest replacement to comply with vehicle OEM 

recommended service intervals. 

 

1998 Chevrolet Pickup C1500 

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE