Question about 1993 Jeep Grand Cherokee

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It overheats & throws the water thru the overflow bottle

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Sounds like the thermostat may be stuck and or your radiator is stopped up.start by removing and replacing the thermostat. and make sure electric cooling fans are turning on.

Posted on Oct 04, 2009


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I have a 2 2003 Oldsmobile Alero I have replace the radiator thermostat and water pump and it still continue to run hot

What kind of condition is your overflow bottle in? The threads on it could be stripped or the threads to the cap itself. Either way, if your cap doesn't tighten properly, you can have overheat issues. The pressure that the cap creates in the system, raises the boiling point of the fluid. So if anything, check your cap and overflow bottle.

Jul 01, 2016 | Oldsmobile Cars & Trucks

2 Answers

Can a water pump make water to return to the water bottle

If the engine overheats from a thermostat
stuck closed or bad head gasket

Aug 10, 2013 | Cars & Trucks

1 Answer

Have a new radiator,fan are working but gets overheat while driving

Make sure you have proper water to antifreeze ratio. Not just straight water or anti freeze. Make sure the thermostat is in good working order.. A good tip depending on where you live and how hot it is outside. Any time you start to overheat. Roll down the windows and turn the heater on full blast on the hottest setting. Make sure radiator is full and overflow bottle has antifreeze too. Because when the thermostat first opens the system has a suction and will draw from overflow bottle

Sep 16, 2012 | 1994 Nissan Sentra 4-Door

1 Answer


Sounds like sticking thermostat. Replace thermostat if you see no leaks anywhere else.
You need to drain out any bad coolant or water when you replace thermostat and refill with concentrated antifreeze until you have at least 50% antifreeze water ratio.
You have to bleed the engine with new antifreeze solution so there's no air. I always go to youtube and see how mechanics do each engine bleed. Search your car and engine and `coolant flush'. don-ohio

Mar 11, 2017 | 1996 Lincoln Mark VIII

1 Answer

My car starting over heating and i have put about one bottle of coolant and about five bottls of water its not leaking but the coolant level is still reading low and i dont know what to do and the coolant...

It has to be leaking some where if not on the outside then you have a bad head or intake gasket and the water is getting burned in the motor. Check all under the car for a leak if none found then the only place it can be going is in the motor. Do you notice a white smoke coming from your exhaust, if so that is water and coolant being burned. The coolant jar your refering too is the overflow and that is normal when it overheats. Used to be when it overheated it just shot steam out of the radiator cap, nowdays all that is captured and re used. Look around the water pump for an obvious signs of any leakage. might just be a bad pump and the engine is heating up and overflowing

Aug 20, 2011 | 1997 Lincoln Continental

1 Answer

I have put a waterpump on my van last year a new thermastat and a fanclutch and my van has went thru the winter fine and now still overheatin what should i do

There could be a bunch of stuff going on. First I would take off the radiator cap or the overflow cap from the plastic tank, as most newer cars don't have radiator caps any longer and everything is filled via the overflow bottle. Drive the car until it gets to running temp. Then keep going and see if it overheats. If it does you have a bad radiator that is not holding pressure and U will have to replace that also. Are U sure the stat is working? tap on stat housing gently with a small hammer this sometimes frees them up. Even a new stat could get stuck. Did you put clean antifreeze in? At a 50%/50% mix. If not this could also cause a car to overheat or ran cold. You can do worse damage to your system by using straight antifreeze, that is why the bottle always tells you to mix as well as your owners manual.

Mar 19, 2011 | Ford E-150 Cars & Trucks

2 Answers

Overheating, guage not over 1/2 mark, overflow smells like exhast

Have you tried running car from cold, with rad cap off, & heater turned on, coolant topped up, an inch or 2 from top of rad? Let it run up to operating temperature, cooling fans kick in & out 2 or 3 times, and top up coolant as needed, then put rad cap back on, & fill return bottle up to mark. There may be a worse problem, but bleeding system as I have described, ensures all air out of heater core & cooling system, which has been cause many times before on all makes & models of vehicles. Especially when no heat situation. Let me know if it helps.

Jul 12, 2009 | 2000 Jaguar S-Type

2 Answers

Change hose radiator

your radiator is probably bad small leak but itll do its deal of leak...

Jul 10, 2009 | 1997 Infiniti.5 J30

2 Answers

Over flow bottle bubbles when I stop running it.

If the gauges read normal and the fans are working properly and the vehicle dosen't overheat. I would suggest that it's the normal operation of the vehicle.

The overflow bottle is there because when the vehicle get's hot it draws in the extra coolant from the overflow. When the engine cools down it will push the extra coolant back into the overflow, that's what the radiator cap is for, it's not just a cover for the radiator. At a certian pressure the radiator cap will release the coolant to the overflow bottle. Otherwise the super heated coolant would have nowhere to expand to and blow apart hoses and such.

One other thing to check is if the coolant is a proper mix of antifreeze and water. You can buy a coolant check tool from any auto store, they don't cost too much.

Tip: Use distilled water instead of tap water (or use pre-mixed antifreeze). In some cars regular tap water will speed up corrosion in the cooling system.

Jun 07, 2008 | 1997 Plymouth Breeze

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