Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 315 (COMPONENT LOCATIONS)POWERTRAIN COMPONENT VIEWS
2008 Pontiac Grand Prix Base
Powertrain Component Views
2008 Pontiac Grand Prix BaseSECTION Powertrain Component Views
WARNING: This page is about a different car, the 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1 | Valve Lifter Oil Manifold Assembly (VLOM) |
| 2 | Ignition Coil 8 |
| 3 | Fuel Injector 8 |
| 4 | Ignition Coil 6 |
| 5 | Fuel Injector 6 |
| 6 | Manifold Absolute Pressure (MAP) Sensor |
| 7 | Throttle Body Assembly |
| 8 | Magnetic Sensor |
| 9 | Camshaft Position (CMP) Sensor |
| 10 | Fuel Injector 2 |
| 11 | Ignition 2 |
| 12 | A/C Compressor |
| 13 | Fuel Injector 4 |
| 14 | Ignition Coil 4 |
| 15 | Knock Sensor (KS) 2 |
| 16 | Starter |
| 17 | Crankshaft Position (CKP) Sensor |
| Callout | Component Name |
|---|---|
| 1 | Ignition Coil 1 |
| 2 | Evaporative Emission (EVAP) Canister Purge Solenoid Valve |
| 3 | Ignition Coil 5 |
| 4 | Fuel Injector 3 |
| 5 | Fuel Injector 5 |
| 6 | Ignition Coil 7 |
| 7 | Fuel Injector 7 |
| 8 | Engine Oil Pressure (EOP) Sensor |
| 9 | Knock Sensor (KS) 1 |
| 10 | Engine Coolant Temperature (ECT) Sensor |
| 11 | Engine Block Heater Connector |
| 12 | Ignition Coil 3 |
| 13 | Fuel Injector 1 |
| Callout | Component Name |
|---|---|
| 1 | Brake Fluid Level Switch |
| 2 | Electronic Brake Control Module (EBCM) |
| 3 | Throttle Actuator Control (TAC) Module |
| 4 | Fuse Block-Underhood |
| 5 | Battery |
| 6 | Engine Control Module (ECM) |
| 7 | Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor |
| 8 | A/C Low Pressure Switch |
| 9 | Accumulator |
| Callout | Component Name |
|---|---|
| 1 | Automatic Transmission Shift Lever |
| 2 | Automatic Transmission Shift Lever Connector |
| 3 | Console Harness |
| Callout | Component Name |
|---|---|
| 1 | Automatic Transmission 4L60-E/4L65-E/4L70-E |
| 2 | Park/Neutral Position (PNP) Switch |
| Callout | Component Name |
|---|---|
| 1 | Transfer Case |
| 2 | Transfer Case Encoder/Motor Connector |
| 3 | Vehicle Speed Sensor (VSS) |
| Callout | Component Name |
|---|---|
| 36 | Vehicle Speed Sensor (VSS) - Model Dependent |
| 66 | Torque Converter Clutch (TCC) Solenoid Valve |
| 69 | Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch |
| 367a | 1-2 Shift Solenoid (SS) Valve |
| 367b | 2-3 Shift Solenoid (SS) Valve |
| 377 | Pressure Control (PC) Solenoid Valve |
| 394 | 3-2 Shift Solenoid (SS) Valve Assembly |
| 396 | Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.