1993 Dodge B250

ward3913 · 03-31-2007, 07:20 PM

After replacing the water pump, pressure flushing the radiator, new thermostat and heater control valve the coolant still turns rust color after just a few hundred miles. It overheats a bit during city driving with heat/AC off. Any suggestions ?

Thanks
Ward

junior3382 · 03-31-2007, 07:37 PM

Check your head gasket. that would be my first guess before suggesting trading it in that dodge for a chevy....lol. But no really, if you replaced all those parts, that would indicate to me that there is an internal leak, and those usually come from blown head gaskets. its either that or internal problems. just my opinion though......

75K30 · 03-31-2007, 07:54 PM

Welcome to the site ward3913;
Sounds to me like you have a fair amount of rust, and corrosion inside if the block, and radiator. If the radiator is plugged, or passages are blocked, you probably will fight this problem for many miles, until it eventually wins. Short of removing the radiator, and having it rebuilt, I doubt you will remove all of the debris from the problem areas with your pressure flushing procedure. I am assuming this is the garden hose at home method? This is pretty good when the system is being flushed for routine maintanence, but it sounds like you ae a little beyond that. If the corosion is bad enough, you will be wanting to take things apart a little further anyway. It will be better to start looking at stuff from the inside. A bad radiator never breaks down in the driveway, and never does it on the way home from work. Always on the way to something important, like fishing, or hunting, man I hate that....
Good luck.

03-31-2007, 07:20 PM	#1
ward3913 Junior Member Join Date: Mar 2007 Posts: 1	1993 Dodge B250 After replacing the water pump, pressure flushing the radiator, new thermostat and heater control valve the coolant still turns rust color after just a few hundred miles. It overheats a bit during city driving with heat/AC off. Any suggestions ? Thanks Ward

03-31-2007, 07:37 PM	#2
junior3382 Senior Member Join Date: Mar 2007 Location: Currently, I live in Lancaster county, Pennsylvania. Posts: 3,170	Check your head gasket. that would be my first guess before suggesting trading it in that dodge for a chevy....lol. But no really, if you replaced all those parts, that would indicate to me that there is an internal leak, and those usually come from blown head gaskets. its either that or internal problems. just my opinion though...... __________________ *The Blazer is dead, so I pumped her with lead, laid her to bed, and bought a FORD instead!* Last edited by junior3382; 03-31-2007 at 07:58 PM. Reason: spelling errors

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03-31-2007, 07:54 PM	#3
75K30 Senior Member Join Date: Jul 2006 Posts: 2,992	Welcome to the site ward3913; Sounds to me like you have a fair amount of rust, and corrosion inside if the block, and radiator. If the radiator is plugged, or passages are blocked, you probably will fight this problem for many miles, until it eventually wins. Short of removing the radiator, and having it rebuilt, I doubt you will remove all of the debris from the problem areas with your pressure flushing procedure. I am assuming this is the garden hose at home method? This is pretty good when the system is being flushed for routine maintanence, but it sounds like you ae a little beyond that. If the corosion is bad enough, you will be wanting to take things apart a little further anyway. It will be better to start looking at stuff from the inside. A bad radiator never breaks down in the driveway, and never does it on the way home from work. Always on the way to something important, like fishing, or hunting, man I hate that.... Good luck.