Question about 1999 Chevrolet Cavalier

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Overheats changes water pump ,thermostat ,radiator still overheats

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3 Answers

Car overheating


Two things to check:

1. Make sure you do not have an air bubble in your cooling system. Easiest way is to park facing uphill and let the car cool off. Remove the radiator cap, start the car and let run until the thermostat opens. If there are air bubbles in the cooling system the should be forced out. Top off fluid.
2. Are you sure that the cooling fan is running? When the car is getting hot, open the hood and make sure the radiator fan is actually turning.

Aug 31, 2015 | 2001 Pontiac Grand Am SE

1 Answer

Egine overheats


You did not mention the Thermostat which controls the temperature of the engine. Did you mean the Thermostat when you said temp sensor? If not, then change the thermostat.

Mar 05, 2015 | 2003 Chevrolet Impala

1 Answer

Location of water pump


Should be behind the radiator fan and belt.

Feb 22, 2014 | Dodge Cars & Trucks

1 Answer

I have a 1992 Buick regal that overheats at speeds of 40 mile n hour it has a new radiator, thermos stat, has been flushed an filled and bled have not changed the water pump when it overheats all of m


It is more than likely your water pump. Can you run it in park with the radiator cap off. The cap on the radiator not the overflow tank. When the temp opens the thermostat you should see flow if the pump is good no flow it is probably bad. If you don't see flow check the upper hose for temp and the lower hose. If the upper line is barely warm and the lower hose is significantly hotter, it is either water pump or thermostat, but since you replaced the thermostat I would be back to water pump. BTW you should use either a contact thermometer or an infrared to check hoses, although it was done by hand in the old days.

Feb 28, 2013 | 1992 Buick Regal

1 Answer

Dihatsu Charde 92 new water pump no thermostat new radiator still over heats? Help


replace your fan radiator sensor; your fan should come on without the ac anytime the engine heat becomed excessive

Feb 19, 2013 | 1992 Daihatsu Charade

1 Answer

Can a bad heater core cause your vehicle to overheat? I have a 1994 GMC Suburban


I WOULD SAY NO BECAUSE WATER ONLY CIRCULATES WHEN YOU TURN ON THE HEATER, BUT IF YOUR VEHICHLE CONTINUES TO OVERHEAT IT COULD BE 5 THINGS. CLOGGED RADIATOR,RADIATER HOSES.THERMOSTAT,RADIATER FAN SENSOR OR THE WATER PUMP

Feb 14, 2013 | 1994 GMC Suburban

1 Answer

MY CONTOUR IS OVER HEATING


Most people think of this is a common problem of the thermostat. To make sure it is not the only problem, run your car a day or two without the thermostat to make sure it is not overheating anymore, then put in a new thermostat. Your problem is solved.
However, if your engine still has overheat without the thermostat, then there is a problem with restriction of coolant circulation through the engine from 3 followings:
1- Radiator clogged up.
2- Water pump is bad.
3- Water jacket is clogged up.
A shop can easily determine if the water pum bad or not.
Make sure to find a reputation shop since a yo-yo shop can change your water pump first then later on determine the clogged up radiator is the culprit while you are not actually needing a water pump at the first place. Why, a good water pump still causes overheat since the radiator is clogging up. My advise is not to use a rebuilt radiator, go with a brand new one. It can last you 10 years instead of 2 years on the rebuilt one. Good luck.

Sep 13, 2010 | 1998 Ford Contour

2 Answers

IM REPLACING THE RADIATOR,WATER PUMP AND THERMOSTAT,THE WHOLE COOLING SYSEM,SHOULD I DO THE RADIATOR FIRST OR THE WATER PUMP?


If you are doing them all at the same time, do the water pump first. I like to do the toughest part first and then move on the the easier parts. Then the thermostat and then the radiator. Once you drain the radiator most of the engine coolant will come out making the waterpump easier to clean up. If you are doing them in different day's, alway's replace the waterpump and thermostat in pairs. If you can do the radiator at the same time, I would suggest that. Sometimes when thermostats get out of fluid, they sometimes will lock up and cause and overheat. Then you are replacing all the fluid and thermostat on a hot engine.

Oct 10, 2009 | 1999 GMC Yukon

3 Answers

I have a 97 bmw 316i, we have changed the water pump, checked heads and changed radiator, bleed it at a 40degree angle filled it with coolant and it is still overheating after a ten minute drive?


You actually need the thermostat in to pressurize your cooling system or the coolant won't cyle through the radiator, it'll just cycle around the engine. Most people think without the thermostat in the coolant will just pump freely through the engine and radiator, but it doesn't.

Chuck in a new thermostat, purge the air out of the system and see if it overheats then. I gaurentee it won't, if it does then you've got head problems (but they should already be obvious by now).

Jul 21, 2008 | 1996 BMW 318

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