We found the following complaints for WESTERN STAR 4900EX (2007)
Read complaints for WESTERN STAR 4900EX (2007)
2008 started overheating under a load and uphills. Several egr valves, air charge coolers, turbos, flushing and steam cleaning radiator,head gaskets, thermo stats, and it still overheats. We have consulted with western star to find the problem and they will no longer return our calls.
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