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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 98 (ENGINE CONTROL SYSTEM TESTING & ENGINE COMPONENT TESTING)COMPONENT LOCATIONSCOMPONENT LOCATIONS (5.7L VIN G - CAMARO & FIREBIRD)
1999 GMC Forward Control 5.7 R, Automatic
Component Locations (5.7L VIN G - CAMARO & Firebird)
1999 GMC Forward Control 5.7 R, AutomaticSECTION Component Locations (5.7L VIN G - CAMARO & Firebird)
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn SL2, 2002 Saturn SL1, 2002 Saturn SL, 2002 Saturn SC2, and 2002 Saturn SC1. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT LOCATIONS (5.7L VIN G - CAMARO & FIREBIRD)
| Component | Location |
|---|---|
| A/C Refrigerant Pressure Sensor | On A/C Evaporator Hose Near Right Shock Tower |
| A/C Compressor Clutch Relay | In Left Front Corner Of Engine Compartment, In Underhood Electrical Center |
| Air Pump Relay | In Left Front Corner Of Engine Compartment, In Underhood Electrical Center |
| Air Solenoid Relay | In Left Front Corner Of Engine Compartment, In Underhood Electrical Center |
| Body Control Module | Under Right Side Of Instrument Panel, Near Blower Motor |
| Camshaft Position Sensor | Mounted In Top Rear Center Of Engine |
| Crankshaft Position Sensor | Lower Right Side Of Engine, Behind Starter |
| Cruise Control Module | At Front Left Frame, In Front Of Wheelwell |
| Data Link Connector | Under Instrument Panel, Right Of Steering Column |
| Electronic Brake Control Module | Mounted On Top Of Left Front Frame Rail, With Brake Pressure Modulator Valve |
| Engine Coolant Temperature Sensor | On Lower Left Side Of Engine, Above Generator |
| Engine Cooling Fan Relay | In Left Front Corner Of Engine Compartment, In Underhood Electrical Center |
| Engine Oil Level Switch | On Lower Right Side Of Engine, In Oil Pan |
| EVAP Canister Purge Solenoid | On Left Side Of Engine, Mounted To Intake Manifold |
| EVAP Canister Vent Solenoid | On Top Of Fuel Tank, Part Of EVAP Canister |
| Fuel Injectors | In Intake Manifold |
| Fuel Pump Relay | In Left Front Corner Of Engine Compartment, In Underhood Electrical Center |
| Idle Air Control Valve | On Right Front Of Engine, On Throttle Body |
| Ignition Coil | On Valve Cover At Top Of Each Cylinder |
| Ignition Control Module | On Valve Cover At Top Of Each Cylinder |
| Inflatable Restraint Sensing & Diagnostic Module | On Floor Tunnel, Below Rear Of Console |
| Instrument Panel Fuse Block | Behind Left Side Of Instrument Panel |
| Intake Air Temperature Sensor | On Air Duct, In Front Of Intake Manifold |
| Knock Sensors | On Center Of Engine, Below Intake Manifold |
| Manifold Absolute Pressure Sensor | On Top Rear Center Of Engine |
| Mass Airflow Sensor | On Air Duct, In Front Of Intake Manifold |
| Post-Converter Oxygen Sensors | Rear Of Catalytic Converter |
| Powertrain Control Module | On Right Side Of Engine Compartment, Rear Of Wheelwell |
| Pre-Converter Oxygen Sensors | Rear Of Engine, In Exhaust Manifold |
| Reverse Lock-Out Solenoid | On Rear Left Side Of Transmission |
| Secondary Air Injection Pump Motor | On Front Left Frame Rail, In Engine Compartment |
| Skip Shift Solenoid | On Center Left Side Of Transmission |
| Star Connector | Under Left Side Of Instrument Panel, Near DLC |
| Throttle Position Sensor | Mounted On Left Side Of Throttle Body |
| Underhood Electrical Centers | In Left Front Corner Of Engine Compartment |
| Vehicle Speed Sensor (A/T) | On Left Rear Side Of Transmission |
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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.