Question about 1999 Isuzu Rodeo

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My rodeo keeps overheating......changed the radiator and the thermostat but it still overheats....the return hose gets swollen from the pressure.......

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  • cheap repair Oct 02, 2010

    have you checked for a blown head gasket?

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Posted on Jan 02, 2017

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  • 375 Answers

SOURCE: 92 isuzu rodeo overheating still

hey
u says that u didn't replace the thermostat yet
Your thermostat is sticking. DO NOT DRIVE if the car overheats, you can do some serious engine damage, if you haven't done so already. Get the thermostat changed out immediately.

What happened is your thermostat is sticking. It was stuck and you saw it overheat (and should have stopped immediately). The added pressure from having a stuck thermostat pushes the fluild into the overflow.

The temperature may have gone back to normal if the thermostat "finally" opened. However, since the thermostat is sticking, it is unreliable and I would get it replaced.

Driving when the engine overheats can easily cause gaskets, such as the head gasket to fail and heads to warp. If this has occurred, you're looking at a new engine.

Posted on Jul 13, 2008

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SOURCE: Trooper Overheating

Have you tried some rad flush?
this should clear the gunk out properly. and then if it returns it may be the head gasket leaking slightly.
I suggest flushing first then wait and see if it overheats again.

Posted on May 01, 2009

roniecon
  • 6927 Answers

SOURCE: 95 trooper overheats but replaced thermostat,radiator,cap,hoses.

make sure ur fan clutch is puling some air and replace rad cap with new onr u may have to replace radiator long trips not getting enough water cooled

Posted on Jun 30, 2009

  • 205 Answers

SOURCE: 1995 Isuzu Rodeo. Overheating. Changed thermostat

Is there a bleeder valve on the thermastat housing or the water pump. if not check to see if your loosing coolant and the oil level

Posted on Oct 18, 2009

  • 1 Answer

SOURCE: 1995 Isuzu Rodeo Still overheating

umm...Where do I start? First thing you should have done is to replace the radiator cap. You could then self test the thermostat by placing it into a pot on the stove (Think its supposed to open @ about 195 degrees) If all hoses look good...Check the oil...any discoloration? Bubbles? Is the Oil higher than the 'Full' mark on the stick? This could be an indication of coolant in the crankcase, which frequently means blown head gasket. Oil ok? Check the radiator over flow...Any oil traces inside? you know...that infamous oil rainbow that developes when oil comes in contact with water? If you had a mechanic do all this stuff for you, I am shocked (and dismayed) that he didn't perform a hydrocarbon test on your radiator to see if emissions from the engine are present in your radiator...Over heating can be a great indicator of a cracked block or head...or of a compromised gasket. Its not always so obvious at first, but very obvious once its to late. The gentleman with the air bubble solution, sounds pretty brilliant to me.. This sounds like classic head gasket to me. Any white smoke coming from the tail pipe after warmed up? If so...and vehicle not worth new engine or head job..They have some pretty amazing liquid head gasket repair solutions out there. Lastly...The heater core...When you run the heat, are you smelling 'sweet' radiator odor? Is the defroster actually fogging up your windshield?, if this is the case...You can bypass the core by inserting a coupler between the supply and return hoses...This would stop the over heating...unfortunately it would stop all heating (Inside the vehicle) until it was replaced. Pull your spark plugs...are they fouled? Check cylinder compression...any cylinders low? All this could contribute to your vehicle overheating. Go back to Mechanic and have him pressure test radiator, work from there. All I can think of off hand...Hope this can help you.

Posted on Dec 18, 2009

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92 isuzu rodeo overheating still


hey
u says that u didn't replace the thermostat yet
Your thermostat is sticking. DO NOT DRIVE if the car overheats, you can do some serious engine damage, if you haven't done so already. Get the thermostat changed out immediately.

What happened is your thermostat is sticking. It was stuck and you saw it overheat (and should have stopped immediately). The added pressure from having a stuck thermostat pushes the fluild into the overflow.

The temperature may have gone back to normal if the thermostat "finally" opened. However, since the thermostat is sticking, it is unreliable and I would get it replaced.

Driving when the engine overheats can easily cause gaskets, such as the head gasket to fail and heads to warp. If this has occurred, you're looking at a new engine.

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