GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 HHR 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Powertrain Component Views
Figure 1:

Rear of Engine - L61
Object Number: 1394466 Size: MF
(1)Heated Oxygen Sensor (HO2S) 1
(2)Heated Oxygen Sensor (HO2S) 2
Figure 2:

Engine - Front (LNF)
Object Number: 2193365 Size: LF
(1)Fuel Rail Pressure Sensor (FPS)
(2)Throttle Actuator Control (TAC) Module
(3)Turbo Bypass Valve Solenoid
(4)Manifold Absolute Pressure (MAP) Sensor
(5)High Pressure Fuel Pump
(6)Camshaft Position (CMP) Sensor Intake
(7)Knock Sensor (KS) 1
(8)Crankshaft Position (CKP) Sensor
(9)Engine Oil Pressure (EOP) Switch
(10)Starter
(11)Knock Sensor (KS) 2
(12)A/C Compressor Clutch
(13)Generator
(14)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Figure 3:

Engine - Top (LNF)
Object Number: 2003405 Size: LF
(1)Ignition Coil 2
(2)Ignition Coil 3
(3)Ignition Coil 4
(4)Fuel Injector 4
(5)Fuel Injector 3
(6)Fuel Injector 2
(7)Fuel Injector 1
(8)Camshaft Position (CMP) Actuator Solenoid Exhaust
(9)Camshaft Position (CMP) Actuator Solenoid Intake
(10)Ignition Coil 1
Figure 4:

Engine - Rear (LNF)
Object Number: 2003400 Size: LF
(1)Engine Coolant Temperature (ECT) Sensor
(2)Camshaft Position (CMP) Sensor Exhaust
(3)Mass Air Flow (MAF)/ Intake Air Temperature (IAT) Sensor
(4)Turbocharger Wastegate Solenoid (LNF)
(5)Turbocharger
(6)Heated Oxygen Sensor (HO2S) 2
(7)Heated Oxygen Sensor (HO2S) 1
Figure 5:

Turbo Bypass Valve Solenoid (LNF)
Object Number: 2193366 Size: MF
(1)Turbo Bypass Valve Solenoid
Figure 6:

Engine with Transmission (LNF/MN5)
Object Number: 2004458 Size: LF
(1)X100 (MN5)
(2)Engine (LNF)
(3)Heated Oxygen Sensor (HO2S) 1
(4)Automatic Transmission Output Speed Sensor (OSS) (MN5)
(5)Heated Oxygen Sensor (HO2S) 2
(6)Park Neutral Position (PNP) Switch (MN5)
(7)Transmission (MN5)
Figure 7:

Engine with Transmission (LNF/MU3)
Object Number: 2004516 Size: LF
(1)Transmission
(2)Backup Lamp Switch
(3)Engine (LNF)
(4)Heated Oxygen Sensor (HO2S) 1
(5)Vehicle Speed Sensor (VSS)
(6)Heated Oxygen Sensor (HO2S) 2
Figure 8:

Top Front of the Engine
Object Number: 1540536 Size: MF
(1)Fuel Injector 1
(2)Fuel Injector 2
(3)Fuel Injector 3
(4)Fuel Injector 4
Figure 9:

Rear of the Engine Block (L61)
Object Number: 1546086 Size: LF
(1)Engine Coolant Temperature (ECT) Sensor
(2)Engine Block
Figure 10:

Left Side of the Engine Compartment
Object Number: 1546023 Size: LF
(1)Transmission Control Module (TCM) (MN5)
(2)Left Front Strut Tower
(3)Engine Control Module (ECM)
(4)Electronic Brake Control Module (EBCM) (JM4/JL9)
(5)Fuse Block - Underhood Bracket
Figure 11:

Front of the Engine (LE5)
Object Number: 1555577 Size: LF
(1)Fuel Injector 1
(2)Fuel Injector 2
(3)Fuel Injector 3
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Fuel Injector 4
(6)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
(7)Camshaft Position (CMP) Sensor - Intake
(8)Knock Sensor (KS)
(9)Engine Oil Pressure (EOP) Switch
(10)Crankshaft Position (CKP) Sensor
(11)Starter Solenoid
(12)Starter
(13)Intake Manifold
Figure 12:

Lower Front of the Engine
Object Number: 1659164 Size: LF
(1)Generator
(2)Starter
(3)A/C Refrigerant Pressure Sensor
(4)A/C Compressor Clutch
Figure 13:

Left Side View of Engine
Object Number: 1614920 Size: LF
(1)MAF/IAT Sensor
(2)Ignition Coil Module 1 Connector
(3)Ignition Coil Module 2 Connector
(4)Ignition Coil Module 3 Connector
(5)Ignition Coil Module 4 Connector
(6)Fuel Rail
(7)Fuel Injector 1
(8)Fuel Injector 2
(9)Fuel Injector 3
(10)Fuel Injector 4
(11)Throttle Actuator Control (TAC) Module
Figure 14:

Rear View of Engine
Object Number: 1659437 Size: LF
(1)Ignition Coil Module 4
(2)Ignition Coil Module 3
(3)Ignition Coil Module 2
(4)Camshaft Position (CMP) Actuator Solenoid-Intake
(5)Camshaft Position (CMP) Actuator Solenoid-Exhaust
(6)Ignition Coil Module 1
(7)Engine Harness
(8)Heated Oxygen Sensor (HO2S) 1
(9)Heated Oxygen Sensor (HO2S) 2
(10)Engine Coolant Temperature (ECT) Sensor
(11)Camshaft Position (CMP) Sensor (Exhaust)
(12)G108
(13)Camshaft Position (CMP) Sensor (Intake)
(14)Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Figure 15:

Manifold Absolute Pressue (MAP) Sensor (L61)
Object Number: 1583757 Size: LF
(1)Manifold Absolute Pressue (MAP) Sensor
Figure 16:

Manual Transmission (M86)
Object Number: 1659162 Size: LF
(1)Backup Lamp Switch
(2)Vehicle Speed Sensor
Figure 17:

Front of the Engine (L61) (1 of 2)
Object Number: 1555577 Size: LF
(1)Fuel Injector 1
(2)Fuel Injector 2
(3)Fuel Injector 3
(4)Manifold Absolute Pressure (MAP) Sensor
(5)Fuel Injector 4
(6)Evaporative Emission (EVAP) Canister Purge Solenoid
(7)Camshaft Position (CMP) Sensor - Intake
(8)Knock Sensor (KS)
(9)Engine Oil Pressure (EOP) Switch
(10)Crankshaft Position (CKP) Sensor
(11)Starter Solenoid
(12)Starter
(13)Intake Manifold
Figure 18:

Front of the Engine (L61) (2 of 2)
Object Number: 1751287 Size: LF
(1)Throttle Actuator Control (TAC) Module
(2)Evaporative Emission (EVAP) Canister Purge Solenoid
(3)Engine Oil Pressure (EOP) Switch
(4)Crankshaft Position (CKP) Sensor
(5)Knock Sensor (KS)
(6)Starter
(7)Starter Solenoid
Figure 19:

Autmomatic Transmission Internal Components (MN5)
Object Number: 1982293 Size: LF
(1)Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch
(2)1-2 Shift Solenoid Valve
(3)2-3 Shift Solenoid Valve
(4)Automatic Transmission Output Speed Sensor
(5)Automatic Transmission Input Speed Sensor
(6)Pressure Control Solenoid
(7)TCC Control PWM Solenoid