Component Locations

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2003 Hummer H2, 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 GMC Sierra, and 2003 GMC Cab & Chassis Sierra. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating APP Sensor (Except Hummer H2)

G00113348

Courtesy of GENERAL MOTORS CORP.

Fig 2: Locating APP Sensor (Hummer H2)

G00247416

Courtesy of GENERAL MOTORS CORP.

Fig 3: Locating Camshaft Position Sensor & Engine Oil Pressure Sensor (Except Hummer H2)

G00113342

Courtesy of GENERAL MOTORS CORP.

Fig 4: Locating Camshaft Position Sensor & Engine Oil Pressure Sensor Harness Connectors (Hummer H2)

G00247417

Courtesy of GENERAL MOTORS CORP.

Fig 5: Locating Crankshaft Position Sensor (Except Hummer H2)

G98G63376

Courtesy of GENERAL MOTORS CORP.

Fig 6: Locating Crankshaft Position Sensor & Oil Level Switch Harness Connectors (Hummer H2)

G00247418

Courtesy of GENERAL MOTORS CORP.

Fig 7: Locating Emission & Ignition Components - Right Bank (Hummer H2 Shown; Other Models Are Similar)

G00244698

Courtesy of GENERAL MOTORS CORP.

Fig 8: Locating EVAP Canister & EVAP Vent Solenoid (Except Hummer H2)

G00113349

Courtesy of GENERAL MOTORS CORP.

Fig 9: Locating EVAP Canister & EVAP Vent Solenoid (Hummer H2)

G00247419

Courtesy of GENERAL MOTORS CORP.

Fig 10: Locating Fuel Composition Sensor (5.3L Flex Fuel)

G00247438

Courtesy of GENERAL MOTORS CORP.

Fig 11: Locating Fuel Pump & Sender Assembly & Fuel Tank Pressure Sensor (Hummer H2)

G00247420

Courtesy of GENERAL MOTORS CORP.

Fig 12: Locating HO2S (4.8L & 5.3L)

G00113346

Courtesy of GENERAL MOTORS CORP.

Fig 13: Locating HO2S (6.0L; Except Hummer H2)

G00113347

Courtesy of GENERAL MOTORS CORP.

Fig 14: Locating Left Bank HO2S (Hummer H2)

G00247421

Courtesy of GENERAL MOTORS CORP.

Fig 15: Locating Right Bank HO2S (Hummer H2)

G00247422

Courtesy of GENERAL MOTORS CORP.

Fig 16: Locating IAC, EVAP Purge Solenoid, MAP, ECT & TP Sensors

G00028348

Courtesy of GENERAL MOTORS CORP.

Fig 17: Locating Knock Sensors

G98F63375

Courtesy of GENERAL MOTORS CORP.

Fig 18: Locating MAF/IAT Sensor (Except Hummer H2)

G00113343

Courtesy of GENERAL MOTORS CORP.

Fig 19: Locating MAF/IAT Sensor (Hummer H2)

G00247423

Courtesy of GENERAL MOTORS CORP.

Fig 20: Locating PCM (Except Hummer H2)

G98B63769

Courtesy of GENERAL MOTORS CORP.

Fig 21: Locating PCM (Hummer H2)

G00247424

Courtesy of GENERAL MOTORS CORP.

Fig 22: Locating Secondary Fuel Pump Relay (Except Hummer H2; Models With Dual Tanks)

G00247439

Courtesy of GENERAL MOTORS CORP.

Fig 23: Locating Secondary Fuel Pump & Sender Assembly (Except Hummer H2; Models With Dual Tanks)

G00247440

Courtesy of GENERAL MOTORS CORP.

Fig 24: Locating Throttle Actuator Control Module

G00113344

Courtesy of GENERAL MOTORS CORP.