jpwoody Posted April 5, 2012 Share Posted April 5, 2012 Ok...here's the situation.....put in new Xantstant Theromostat, have replaced the cap, waterpump...flushed the block and the radiator...radiator 10 months old...no leaks any where, no smoke or water out tailpipe...no water in oil...no gases in coolant....I believe I've "burped' the system correctly....idles no problem runs awesome...overheats when I drive it ONLY when I test drive it on the road...and get on it to run...shut it down, to cool off....restart and drive back home...and it reheated on the way home again...let it idle, and it went back to good temp....WTH!! Quote Link to comment Share on other sites More sharing options...
sosubeme Posted April 5, 2012 Share Posted April 5, 2012 fans? Quote Link to comment Share on other sites More sharing options...
jpwoody Posted April 5, 2012 Author Share Posted April 5, 2012 Fans are working... Quote Link to comment Share on other sites More sharing options...
92_rugby_subie Posted April 5, 2012 Share Posted April 5, 2012 Howd you burp it? Slight upward incline? Massaged hoses? Quote Link to comment Share on other sites More sharing options...
sosubeme Posted April 5, 2012 Share Posted April 5, 2012 Both rad hoses warm / hot? got flow? stat orientation? flush / refill / burp with heater operative? Quote Link to comment Share on other sites More sharing options...
92_rugby_subie Posted April 5, 2012 Share Posted April 5, 2012 Also, get a temp gun to verify that it truly is overheating... maybe the temp isnt really that high? Quote Link to comment Share on other sites More sharing options...
jpwoody Posted April 5, 2012 Author Share Posted April 5, 2012 Temp is correct...burped w/o turning heater on...on an incline...worked the hoses...thermo in correctlylittle knob side forward Quote Link to comment Share on other sites More sharing options...
jpwoody Posted April 5, 2012 Author Share Posted April 5, 2012 also has water flow and pump seems to be ok...no weephole leak...no other leaks anywhere Quote Link to comment Share on other sites More sharing options...
jpwoody Posted April 6, 2012 Author Share Posted April 6, 2012 Am I at the dreaded headgasket moment?... Quote Link to comment Share on other sites More sharing options...
jamesm113 Posted April 6, 2012 Share Posted April 6, 2012 Go to autozone and loan one of their block testers. Quote Link to comment Share on other sites More sharing options...
sosubeme Posted April 6, 2012 Share Posted April 6, 2012 GD's 2¢ is more like a fist full of dollars, much respect. Quote Link to comment Share on other sites More sharing options...
Ricearu Posted April 6, 2012 Share Posted April 6, 2012 i had one do the same thing. if I kept it full of water every day, it wouldn't get hot. headgasket town. Quote Link to comment Share on other sites More sharing options...
jpwoody Posted April 6, 2012 Author Share Posted April 6, 2012 Thnx James...unfortunately my local Autozone does not have a Combustion Tester Quote Link to comment Share on other sites More sharing options...
jamesm113 Posted April 6, 2012 Share Posted April 6, 2012 Have them special order it... http://www.autozone.com/autozone/accessories/Tools-Garage-and-Equipment/Block-Tester/_/N-25dh You'll need both the fluid and the block tester. Both you return for a full refund when you are done Quote Link to comment Share on other sites More sharing options...
ivans imports Posted April 6, 2012 Share Posted April 6, 2012 Shop air in cyl cheap head gasket tester works evrytime is your water pump turning properly mabee sliping ? but probly headgaskets i put 120 psi in cly at tdc and watch for bubbles in rad if bubbles headgasket if not somthing else Quote Link to comment Share on other sites More sharing options...
jpwoody Posted April 6, 2012 Author Share Posted April 6, 2012 THANK YOU James M .....neither of these part numbers showed up on my local Autozone computer...just called them...gave em your part numbers, and lo and behold they suddenly have both items in stock.....the Manager and I are going to have a little talk when I go pich them up....funny, I went there physically last nite to ask about them, and the counter guy told me they never carried that stuff......I long for the days when a parts guy knew what the hell he was talking about...wasted time...grrrrr Quote Link to comment Share on other sites More sharing options...
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