10spd Posted August 4, 2013 Share #1 Posted August 4, 2013 just found out my 1988 venture is doing its best Harley impression. coolant leak right side of the the engine looks like. Link to comment Share on other sites More sharing options...
Peder_y2k Posted August 4, 2013 Share #2 Posted August 4, 2013 Water pump issue (includes drain plug gasket), or, thermostat housing seal, or, directional drain valve seals. May also be hose related. those are most likely causes. Also check coolant temp sensor housing, and overflow tank hoses. -Pete, in Tacoma WA USA Link to comment Share on other sites More sharing options...
10spd Posted August 4, 2013 Author Share #3 Posted August 4, 2013 looks like it is coming out of the thermostat gasket. Link to comment Share on other sites More sharing options...
Peder_y2k Posted August 4, 2013 Share #4 Posted August 4, 2013 If that's the case, only a new OEM gasket can be counted on to work. Locally available o-rings just aren't the proper size for the application. Whatever you do, don't force or hammer on the plastic housing as it WILL crack. Use WD40 or oil on the o-ring for easier installation. Replace the drain valve o-rings while you are at it. BTW, starter motor service can be done when things are apart. -Pete, in Tacoma WA USA Link to comment Share on other sites More sharing options...
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