could be a blown head gasket or cracked head
the hose clamps could be lose
go to a repair shop and see if they have a pressure tester this will you if you have a cracked head, leak, or blown head gasket
check those
2007-03-09 11:57:06
·
answer #1
·
answered by Atheism itself is your best shot at heaven !! 7
·
0⤊
0⤋
I see all kinds of answers for you and most is right; but, each item indicated can be checked.. i.e., some are telling you that the head gasket could be bad. Well if it were the heads being cracked or the gasket being bad you would have water in the oil. If that's true your oil would be foamy and yellowish in color. If you have replaced the water pump you may want to check to see that when you put it on a passage was not covered by the gasket. Putting a new thermostat in does not mean it works. You should always check the operation of a thermostat with boiling water before you put it in to make sure it operate properly. If you have over 60,000 miles on it or close to it and you have not changed the coolant and flushed the system once every year than you will need to replace the radiator - the cores are plug which means the transmission is overheating also. Change it before you burn up the transmission also. That should take care of the problem.
2007-03-09 12:08:26
·
answer #2
·
answered by denfasr 4
·
0⤊
0⤋
You didn't give year/make/model. I've got mucho experience with overheating.
I had a 78 Honda that had a defect from the factory. The siamese exhaust ports were so close they turned the water flowing past them into steam and the steam would erode the metal away making the metal thinner at the hot spot and they would become chronic overheaters.
I now have a chevy with an engine from a wrecking yard. What I know now, but didn't know when I bought the thing is that once the internal "distribution gallery" rusts over, it plugs up and the engine never cools correctly from that point on.
OK, so I'm too soon old and too late smart!
Almost every coolant available uses silicone as the lubricant (for the water pump bushing). Unfortunately, silicone is a solid particulate held in suspension, but over time, it settles out in the radiator and the radiator gets clogged up. From time to time you have to take it into a radiator shop and have them rod it out.
Often when an engine overheats, the head warps. When a head warps, the compression gasses from the combustion chamber can enter a cooling passageway and push the coolant out of the engine and into the overflow bottle. That's what it sounds like you're dealing with.
Were you aware that over 70% of all mechanical failures involve the liquid cooling system?
Why do you think we have smog laws, so all cars have to have liquid cooling systems. It's a big cha-ching for the manufacturers and dealerships! They're selling parts and labor hand over fist! Someone's getting rich . . . and someone's getting poor.
I'll let you figure it out.
.
2007-03-09 11:51:37
·
answer #3
·
answered by s2scrm 5
·
0⤊
0⤋
Okay Karl, youv'e replaced the pump & thermostat and it still overheats. possible problems are blown head gasket, cracked water jacket between cylinders, (Worst case), blocked radiator core, hole in the radiator, bad hoses, bad fan/fan clutch, bad heater core, air blockage. First did you turn on your heater to full blast while you flushed the coolant system? This should be flushed prior to winter weather. Second, raise the front of the vehicle when you fill the radiator. This may be the solution to an Air Block which is the probable cause. check your engine oil for antifreeze or "Chicken Gravy" appearance. This is a bad thing. Likewise check coolant for engine oil. this is a bad thing too.
I hope I have been a help and haven't scared you.
2007-03-09 12:09:06
·
answer #4
·
answered by thedude50 1
·
0⤊
0⤋
Radiator cap? Have you looked as to where the coolant steams from before the overflow tube? HAVE YOU EVER THOUGHT ABOUT TAKING YOUR VEHICLE TO A REAL MECHANIC!!!!!!!!!! Did I say that out loud? I mean really, after all you have spent not just in $$'s but in your time?! Sorry, it's just that your car probably deserves better than you. Darn, out load again.
2007-03-09 12:01:18
·
answer #5
·
answered by j2daj 3
·
0⤊
0⤋
Does your temperature gauge indicate the correct temp? Reason I ask is it could be the the temperature sensor that turns on your fans. If you don't have electrical fans you might want to make sure that you have primed the system prior to actually just going out and driving it. Every time it over heats you have to prime it correctly. Lets back track a little....did it just start heating up out of the blue or did you have some work done to it?
2007-03-09 11:56:45
·
answer #6
·
answered by vsMechanic68 2
·
0⤊
0⤋
start by checking to see if the elec fan is running if it is then check thermstat and radiator hoses make sure you do not put cold water in it with out the car running it will crack the block
2007-03-09 11:56:31
·
answer #7
·
answered by rick c 2
·
0⤊
0⤋
please add more info on the make and model - so those of us trying to help you will know if it has eclectic fans-venting problems and so on . BUTT step one is drill a 1/8Th to 3/16Th hole in the thermostat disk (the flat part - very outside edge ). this will allow the engine to vent its self.
2007-03-09 11:59:31
·
answer #8
·
answered by rasco 3
·
0⤊
0⤋
broken water jacket if any white smoke has come out the tail pipe. clog in the cooling system, or your radiator
2007-03-09 11:50:53
·
answer #9
·
answered by allelements04 1
·
0⤊
0⤋
could be a plugged up radiator, cracked head r blown head gasket
2007-03-09 11:51:09
·
answer #10
·
answered by geezerrex 5
·
0⤊
0⤋