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Discussion Starter · #1 ·
Had anyone else noticed this purple colored substance near various seams and parts on the underbody of the Cruze? It looks like a type of paste or thick fluid, but upon touching it I found it to be very hard to the touch. Is this something GM
has sprayed up inside of the hollow parts of the underbody and between seams as a form of rust protection? What exactly is it?

In this image, if you look to the left and right sides across from the exhaust pipe flange, you will see this substance seeping out of the seams of that portion of the underbody.
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