2007 qc 3500 6.7 cummins overheating

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2007 qc 3500 6.7 cummins overheating #1884866 08/04/15 10:41 AM 08/04/15 10:41 AM
Joined: May 2014 Posts: 62 wheeling, west virginia W wvjohn OP member
wvjohn OP member W Joined: May 2014 Posts: 62 wheeling, west virginia	hi, i have 2007 6.7 cummins qc 3500 with only 85,000 miles, started to run over 200 deg. changed thermostat, bled all air, ran cool for a few days. system seems to be pressurized loosing coolant sometimes out the recovery tank,other times no noticable leaks, but loosing coolant.any ideas would be appreciated. still has egr system. thanks john

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