KPIX CBS Weekend News August 6, 2017 00:39:00
135,000 police-edition explorers. those manifolds carry exhaust, which contains carbon monoxide, away from the engine. is that the crack right there? >> yes, this is the crack. >> reporter: mechanics from montgomery county, maryland, say as many as 80% of explorers have the cracks. david dice is the director of general services. >> when you see that black scarring right there. that's a clear indication that there's exhaust leaking into the engine compartment from that part. that's dangerous. >> reporter: police departments in at least 25 states have raised concerns about possible carbon monoxi...