Hummer H2. Manual - part 119

 

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Hummer H2. Manual - part 119

 

 

ENGINE COOLANT TEMPERATURE SENSORS 

Engine Coolant Temperature Sensors 

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. 

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 

A 

Require repair or replacement. 

 

1998 Chevrolet Pickup C1500 

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

  

ENGINE COOLING SYSTEMS 

NOTE: Overheating, poor engine performance, and insufficient cabin heat can be affected by, but are not 
limited to, all of the components in the engine cooling system.  

ENGINE COVERS (OIL PAN, VALVE COVER, TIMING COVER) 

Engine Covers (Oil Pan, Valve Cover, Timing Cover) 

ENGINE OIL 

Engine Oil 

performance 

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 incorrect 

B 

Require replacement. 

Attaching hardware loose 

A 

Require repair or replacement. 

Attaching hardware missing 

C 

Require replacement. 

Baffle loose 

2 

Suggest repair or replacement. 

Baffle missing 

C 

Require replacement. 

Bent, affecting performance 

A 

Require repair or replacement. 

Bent, not affecting performance 

No service suggested or required. 

Cracked (not leaking) 

2 

Suggest repair or replacement. 

Leaking externally 

A 

Require repair or replacement. 

Leaking internally, causing fluid contamination 

A 

Require repair or replacement. 

Missing 

C 

Require replacement. 

Restricted passage 

A 

Require repair or replacement. 

Threads damaged 

A 

Require repair or replacement. 

Condition 

Code 

Procedure 

 

1998 Chevrolet Pickup C1500 

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

  

ENGINE OIL CANISTERS 

See Engine Oil Filters and Canisters.  

ENGINE OIL COOLERS (EXTERNAL) 

Engine Oil Coolers (External) 

ENGINE OIL DRAIN PLUGS AND GASKETS 

Engine Oil Drain Plugs and Gaskets 

Contaminated 

A 

Require replacement of oil and filter. See note below. 

NOTE: Determine source of contamination, such as engine coolant, fuel, metal particles, 
or water when changing oil. Require repair or replacement. 

Level high 

B 

Determine source of incorrect level and require repair. 

Level low 

B 

Determine source of incorrect level and require repair. 

Maintenance 
intervals 

3 

Suggest replacement to comply with vehicle's OEM 

recommended service intervals. 

Condition 

Code 

Procedure 

Air flow restriction 

A 

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. 

Bypassed 

A 

Require repair or replacement. 

Connection leaking 

A 

Require repair or replacement. 

Corroded 

1 

Suggest repair or replacement. 

Fins damaged, affecting performance 

A 

Require repair or replacement. 

Fins damaged, not affecting performance  2 

Suggest repair or replacement. 

Fluid flow restrictions 

A 

Require repair or replacement. 

Internal restrictions, affecting 
performance 

A 

Require repair or replacement. 

Leaking 

A 

Require repair or replacement. 

Missing 

A 

Require replacement. 

Threads damaged 

A 

Require repair or replacement. 

Threads stripped (threads missing) 

A 

Require replacement. 

Condition 

Code 

Procedure 

Leaking 

A 

Require repair or replacement. 

Missing 

C 

Require replacement. 

 

1998 Chevrolet Pickup C1500 

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

  

ENGINE OIL FILTERS AND CANISTERS 

Engine Oil Filters and Canisters 

ENGINE OIL GASKETS 

See Engine Oil Drain Plugs and Gaskets.  

ENGINE OIL PRESSURE GAUGES (MECHANICAL) 

Engine Oil Pressure Gauges (Mechanical) 

Threads damaged 

A 

Require repair or replacement. See note below. 

NOTE: Some OEMs require replacement of drain plug gasket when removing drain 
plug. Inspect threads in oil pan for damage. 

Condition 

Code 

Procedure 

Bulged 

A 

Require replacement. Further inspection required. 

See note below. 

NOTE: Inspect pressure relief valve. 

Canister attaching hardware 
broken 

A 

Require repair or replacement of hardware. 

Canister attaching hardware 
loose 

A 

Require repair. 

Canister attaching hardware 
missing 

C 

Require replacement. 

Canister attaching hardware 
not functioning 

A 

Require repair or replacement of hardware. 

Center tube collapsed 

A 

Require replacement. Further inspection required. 

See note below. 

NOTE: Inspect bypass. 

Contaminated 

A 

Require replacement of oil and filter. See note 

below. 

NOTE: Determine cause of contamination, such as engine coolant, fuel, metal particles, 
or water when changing oil. Require repair or replacement. 

Dented 

2 

Suggest replacement. Further inspection required. 

See note below. 

NOTE: Determine cause, such as broken motor mount. 

Leaking 

A 

Require repair or replacement. 

Maintenance intervals 

3 

Suggest replacement to comply with vehicle's 

OEM recommended service intervals. 

Condition 

Code 

Procedure 

Indicates out of range 

B 

Further inspection required. See note below. 

 

1998 Chevrolet Pickup C1500 

Uniform Inspection and Communication Standards ENGINE PERFORMANCE AND MAINTENANCE

  

 

 

 

 

 

 

 

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