Chevrolet Cobalt Owners Manual: Underbody Maintenance

Chemicals used for ice and snow removal and dust control can collect on the underbody. If these are not removed, corrosion and rust can develop on the underbody parts such as fuel lines, frame, floor pan, and exhaust system even though they have corrosion protection.

At least every spring, flush these materials from the underbody with plain water. Clean any areas where mud and debris can collect. Dirt packed in close areas of the frame should be loosened before being flushed.

Your dealer/retailer or an underbody car washing system can do this.

    Finish Damage
    Any stone chips, fractures or deep scratches in the finish should be repaired right away. Bare metal will corrode quickly and may develop into major repair expense. Minor chips and scratches can b ...

    Chemical Paint Spotting
    Some weather and atmospheric conditions can create a chemical fallout. Airborne pollutants can fall upon and attack painted surfaces on the vehicle. This damage can take two forms: blotchy, ring-sh ...

    See also:

    Chevrolet Cobalt Service & Repair Manual. Door Lock Cylinder
    1. Remove exterior door handle as outlined in "Door Handle.". 2. Disengage lock rod from door lock cylinder. 3. Remove door lock cylinder. 4. Reverse procedure to instal ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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