thejum57 Posted March 29, 2009 Share Posted March 29, 2009 Last weekend I replaced upper & lower radiator hoses. I did the heater hoses too. I didn't replace the thermostat. This weekend I did. I still have the same problem that made me want to replace the thermostat....the top radiator hose is hot...the bottom one is not, either are the 2 heater hoses. When I filled it with antifreeze, I had the heater running, and the engine. Any sugusstions??? Thanx :cheers: BTW, it's the 2.5 liter engine Link to comment Share on other sites More sharing options...
BLHTAZ Posted March 29, 2009 Share Posted March 29, 2009 Sounds like the radiator is clogged to me. Link to comment Share on other sites More sharing options...
Eagle Posted March 29, 2009 Share Posted March 29, 2009 Sounds like the radiator is clogged to me. :agree: Link to comment Share on other sites More sharing options...
thejum57 Posted March 29, 2009 Author Share Posted March 29, 2009 Ouch....do you think flushing it might help...or is it death to the radiator??? Is it ok to drive fairly short distances? It's about 15 miles to work. Link to comment Share on other sites More sharing options...
BLHTAZ Posted March 29, 2009 Share Posted March 29, 2009 You could try a flush, but if it's blocked that badly, it may not do any good. I would be afraid of driving it that far...a short distance would 5 miles or less. These engines achieve operating temperature within just a few minutes so 15 miles would probably be trouble if the problem is what it seems. Link to comment Share on other sites More sharing options...
rverjeeper Posted March 30, 2009 Share Posted March 30, 2009 Unless the radiator is too far gone, a radiator shop should be able to clean it out. Link to comment Share on other sites More sharing options...
thejum57 Posted April 1, 2009 Author Share Posted April 1, 2009 Well, today I disconnected the bottom radiator hose, let the radiator drain & ran the hose thrugh the cap. The water came thrugh pretty good & clean. So I re-connected, filled the radiator and....same problem...only the top hose gets hot. Time for the pros! :mad: Link to comment Share on other sites More sharing options...
Wildman Posted April 1, 2009 Share Posted April 1, 2009 Not trying to spend your money :roll: .......But....... Why mess with a 20 year old radiator????? New ones are under $100, yea, there are better ones out there for the $$$ From http://www.Rockauto.com PROLIANCE Part # 432268 {1 Row; Plastic Tank, Aluminum Core, 31"x11.125"x1.5" #78} $87.79 SPECTRA PREMIUM Part # CU78 {1 Row; Copper/Plastic #78} $92.79 With summer coming up......your MJ will thank you :D Link to comment Share on other sites More sharing options...
Eagle Posted April 1, 2009 Share Posted April 1, 2009 With summer coming up......your MJ will thank you :D Not if you buy a one-row radiator with plastic tanks. Just a longer way to spell J-U-N-K in my opinion. Link to comment Share on other sites More sharing options...
bigd44889 Posted April 1, 2009 Share Posted April 1, 2009 mine is 2.5 but it is an 88 $130 shiped from rock auto advanced had it for $126 with corp. account single row but core is much thicker than stock keeps mine cool and i'm bored out 40 over running 31's Link to comment Share on other sites More sharing options...
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