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
Chemical Paint SpottingChevrolet Cobalt Service & Repair Manual. Power Steering System Leak, Inspection
Most modern cars come equipped
with hydraulic power steering, as systems age they can wear out. Power steering
fluid leaks (depending on severity) will cause the power steering system
to stop working.
Always clean all power steering
components, hoses and lines bef ...