Question about 1990 Jeep Wagoneer Limited

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Unable to stop from overheating. Have replaced thermostat, and overflow bottle. Waterpump is not leaking. Both fans are cutting on. What could it be?

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Could be rad blockage, not enough anti freeze in the system, or in a worse case scenario head gasket leak

Posted on May 06, 2010

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Have the same problem, but have now new head gaskets. Worst case for me seems to be a cracked engine block.

Posted on Oct 21, 2013

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What is wrong with a saturn sl1 indicator says it is hot after running for 5 minutes


John sounds like your sensor may be bad. Next it could be your thermostat sticking use a temp gun and measure the temp of your radiator at the cap. Do not remove cap. Just take temp. If it is getting hot it should spit water out. Check to see if the electric fan is coming on the sensor to cut the fan on maybe bad or the fan. Hope this helps.

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i would check the thermostat first. even if your mechanic did replace it.the thermostats you buy these days only last about a year or 2.

Jul 23, 2012 | 1999 Oldsmobile Alero

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My 2000 dodge caravan is overheating and my overflow tank is literally overflowing. I have no leaks in radiator or hoses. Could it be my waterpump or thermostat or just a clogged hose.


Yes, it could be a few issues, I always believe to go the cheapest route first, so you are not just replacing parts to be replacing, Based on your description, Normally it would not be overflowing if your pump is not working, It could be a clogged hose, you would have to flush system to see if that was the case, but based on my feeling, i believe it is a stuck thermostat, If your tank is overflowing, it would have to be a main hose block, but i don't believe that is the case, i would have thermostat replaced, to confirm that, for a around 50 bucks (if you stay away from dealer) you can have the radiator flushed, which is a good idea anyway, then you will know for sure it is the thermostat, and they can put that in after they flush it, or you can put thermostat in, pick there brain, when they flush it, and they can point where it is, it is just a couple of bolts to take off, clean gasket area, replace with new gasket, after of course taking old thermostat out and replacing with new one.

I hope this helps you, (again, i think it is thermostat that is stuck) thanks Mike from fixya
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Jul 23, 2011 | 2000 Dodge Caravan

3 Answers

Chevy venture van overheating the temperature gauge will go to the last white mark on the gauge then it will drop as i'm driving it. it will keep doing this.


It sounds like the coolant level is getting very low. Only check it when it is cold! Check the level in the radiator and in the overflow bottle. Chances are you have a leak somewhere, these vans had problems with intake manifold gaskets. A big job.

Jan 29, 2010 | 1999 Chevrolet Venture

1 Answer

Why is the coolant coming out of the overflow bottle


make sure there is no coolant leak. is the radiator fan running? it should run whenever the A/C is on. if not, that will be the problem. Engine running, A/C on, see if the fan is running, if not get a long rod, broom handle ect and tap on the motor, if it starts to spin or starts running, replace the fan assy.

Sep 18, 2009 | 2000 Dodge Dakota Quad Cab

2 Answers

1998 Buick Skylark is over heating


You need to check the radiator cap for air leaks and also try having the radiator Flushed as you could have plugged fins inside the radiator, causing the radiator not to cool the antifreeze.

Jul 10, 2009 | 1998 Buick Skylark

2 Answers

Loosing water from my overflow bottle in my lantra 1995 - N reg and the car is overheating. Don't know where the leak is coming from - anyone any ideas?? Please


First, is the radiator fan coming on? If not, you will need to check fuse,sensor, relay and fan motor. Need to check thermostat for proper operation. If all is good, you will need to have radiator flush. Keep me informed and I can guide you so more.

Jun 14, 2009 | 1995 Hyundai Elantra

1 Answer

Overheating


Have you tried the 8 mm bleeder screw on top of the thermostat housing? You may have air trapped behind your thermostat. Also, overheating can be caused by a collapsed lower radiator hose. If it's soft and you can squeeze it together, then under acceleration it closes down on itself thus preventing the flow of your coolant. Also check your radiator cap. It's supposed to be a 1.1 Bar cap but if it's not functioning correctly, by having to add coolant to the coolant reservoir bottle or the coolant overflow bottle overflowing, usually says it's the radiator cap. These are the simple fixes that you ,may have overlooked.

Good Luck,

~Stillin~

Jun 05, 2009 | 1992 BMW 3 Series

4 Answers

Overheating


there is a coolant cap on the overflow bottle check it for seal
i'd just replace it
also if you put the new thermostat in backward the overheating would be significant

Apr 21, 2009 | 2000 Lincoln LS

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