Front of Engine Components (LHU)

Items
1: G13 Generator G13 Generator X1 LHU/LDK G13 Generator X1 LLU G13 Generator X1 LTD G13 Generator X2
2: B68A Knock Sensor 1 (LHU/ LDK) B68A Knock Sensor 1 LHU/LDK
3: Q40 Turbocharger Bypass Solenoid Valve (LHU/ LDK/ LLU) Q40 Turbocharger Bypass Solenoid Valve (LHU)Q40 Turbocharger Bypass Solenoid Valve (LLU)
4: Q12 Evaporative Emission Purge Solenoid Valve Q12 Evaporative Emission Purge Solenoid Valve (LAF/LDK/LTD)Q12 Evaporative Emission Purge Solenoid Valve (LLU)Q12 Evaporative Emission Purge Solenoid Valve (LUK/LHU)
5: B74 Manifold Absolute Pressure Sensor B74 Manifold Absolute Pressure Sensor LHU/LDK B74 Manifold Absolute Pressure Sensor LUK/LTD
6: Q38 Throttle Body Q38 Throttle Body (LAF/LDK)Q38 Throttle Body (LHU)Q38 Throttle Body (LLU)Q38 Throttle Body (LTD)Q38 Throttle Body (LUK)
7: G18 High Pressure Fuel Pump G18 High Pressure Fuel Pump
8: B47B Fuel Rail Pressure Sensor B47B Fuel Rail Pressure Sensor (LUK)B47B Fuel Rail Pressure Sensor LHU/LDK
9: Q17A Fuel Injector 1 Q17A Fuel Injector 1 (LHU/LDK)Q17A Fuel Injector 1 (LLU)Q17A Fuel Injector 1 (LTD)Q17A Fuel Injector 1 (LUK/LAF)
10: Q17B Fuel Injector 2 Q17B Fuel Injector 2 (LHU/LDK)Q17B Fuel Injector 2 (LLU)Q17B Fuel Injector 2 (LTD)Q17B Fuel Injector 2 (LUK/LAF)
11: Q17C Fuel Injector 3 Q17C Fuel Injector 3 (LHU/LDK)Q17C Fuel Injector 3 (LLU)Q17C Fuel Injector 3 (LTD)Q17C Fuel Injector 3 (LUK/LAF)
12: Q17D Fuel Injector 4 Q17D Fuel Injector 4 (LHU/LDK)Q17D Fuel Injector 4 (LLU)Q17D Fuel Injector 4 (LTD)Q17D Fuel Injector 4 (LUK/LAF)
13: B68B Knock Sensor 2 (LHU/ LDK) B68B Knock Sensor 2 LHU/LDK
14: B37 Engine Oil Pressure Switch B37 Engine Oil Pressure Switch (LLU)B37 Engine Oil Pressure Switch LUK/LHU/LAF/LDK/LTD
15: B26 Crankshaft Position Sensor B26 Crankshaft Position Sensor (LDK)B26 Crankshaft Position Sensor (LLU)B26 Crankshaft Position Sensor (LTD)B26 Crankshaft Position Sensor LAF/LUK B26 Crankshaft Position Sensor LHU
16: M64 Starter Motor M64 Starter Motor X1 M64 Starter Motor X1 M64 Starter Motor X1 (LLU)M64 Starter Motor X2 M64 Starter Motor X2 (Generator Harness) (LAF)M64 Starter Motor X2 (Positive Battery Cable) (LAF)
17: B35 Engine Oil Level Switch B35 Engine Oil Level Switch (LLU)B35 Engine Oil Level Switch LHU/LDK
18: B111B Turbocharger Boost/Intake Air Temperature Sensor (LHU) B111B Turbocharger Boost/Intake Air Temperature Sensor (LHU)
19: Q46 A/C Compressor Solenoid Valve Q46 A/C Compressor Solenoid Valve (LHU/LUK)

Fig 1: Front of Engine Component Locations (LHU)

Courtesy of GENERAL MOTORS COMPANY