This problem exists on at least 4 out of 10, mci motor-coaches manufactured from 2006 to 2013. The problem has not been reported nor investigated because it remains un-detected during routine maintenance, computer diagnostics or by any company mechanics. The issue only becomes apparent after several hours of continuous driving a (minimum of 400 miles ) mci passenger motor-coach. No facility or mechanic will drive the vehicle for the extended amount of time to detect the problem. There is also no...
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equipment/monitor available to monitor or evaluate the air quality in the driver cabin area. The driver area begins to smell of antifreeze vapors/toxic fumes that have escaped into the driver cockpit. There is no obvious leaks of any coolant/antifreeze in the driver area and the driver ac/heater core appears to have no leaks yet the toxic fumes/vapors are seeping into the driver cabin. The drivers are forced to cope with continuous exposure of the dangerous fumes/vapors that not only affect the entire environment and air quality but the health of the driver and possibly the general public/passengers. *Tr