These are installed as a protection device to the under carriage. Protection from water, rocks, and various debris is important as to not damage your oil pan, transmission pan, or aluminium engine block.
〉 Answered on Feb 9th, 2011 by Amanda J. Pierce, MBA "AJ", Certified Mechanic, Project Coordinator; Primavera Scheduler at VIGOR Alaska Industrial Shipyard & BizzM3ch Solutions
The splash shield it protect the undercarriage from dirt, debris and dust from the roads and the enviornment.
〉 Answered on Feb 9th, 2011 by Audra Fordin, Owner at Great Bear Auto Shop