Chevrolet 2007 Colorado Specifications download pdf (Page 430)

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 for you.

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-shaped discolorations, and small, irregular

dark spots etched into the paint surface.

Although no defect in the paint job causes this,

we will repair, at no charge to the owner, the

surfaces of new vehicles damaged by this fallout

condition within 12 months or 12,000 miles

(20 000 km) of purchase, whichever occurs ﬁrst.

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