How to Troubleshoot a 2005 Chevrolet Cobalt
The base trim of the 2005 Chevrolet Cobalt includes a four cylinder 2.2-liter engine. Air-conditioning, an adjustable steering wheel, cloth seats, a trunk light and front door pockets are among the features found in this model. It can be difficult to know what needs to be fixed or replaced on the Chevrolet Cobalt because it is built with a complex array of parts. Two ways to troubleshoot the Cobalt are to examine manufacturer recalls and general troubleshooting tips.
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Instructions
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Inspect the electric power steering motor on your Cobalt if the steering wheel of the car is difficult or impossible to turn at low speeds. The power steering motor installed on your Cobalt may be one of more than one million faulty units previously recalled by GM that still must be replaced. This part is covered by GM; contact your Chevrolet dealership for recall guidance.
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Examine the headlamp assemblies of your Cobalt when the front of the vehicle is difficult to see at night from a side view. The headlamp assemblies may fail to conform to the United States Department of Transportation's federal motor vehicle safety standards because the reflective bulb shield has become loose or broken due to vibrations while the car is in use. Replace both headlamp assemblies with new units.
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Find the universal joint at the rear of the vehicle when you hear a clunking noise as you shift the transmission's gears. The universal joint may have become worn, damaged or loose, requiring repair or replacement.
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Check the discs and drums of your brakes if you hear a tapping noise while you press on the brake pedal of the Cobalt. The discs or drums could be worn, loose, broken or damaged. Examine the brake backing plate to see if it has become broken, damaged or worn and check the brake rotors to ensure that they are not warped or have an uneven surface. Check the brake rotors and drums to see if they are simply out of adjustment.
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Locate the engine temperature sensor if your Cobalt's instrument panel gauges are not functioning properly while the engine is running. The sensor may be faulty and need to be replaced. Examine the electrical system of the Cobalt to ensure that you don't have a short.
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