Question about 1988 Chevrolet Corvette

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The car gets hot when the ac is on the resorvior for coolant seems to have a leak

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Make sure cooling fans come on when a/c is on.

Posted on Jul 26, 2009

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1 Answer

Ac blowing hot

find and fix coolant leak fill up and your done

Oct 19, 2012 | 1994 Lexus Es 300

1 Answer

2002 saturn sl1 blows hot air when ac is on heater works idles and coolant leeks out just bought a new radiator still not working

Not sure where to start with this - - if you are saying the engine is running hot could be a thermostat or low coolant or other issues.
The hot air with the ac on could be the ac not being charged or a blend door stuck in one position.
Where is the coolant leaking from ?

Oct 06, 2012 | Cars & Trucks

4 Answers

Have a 2002 Honda Civic. Driving around midafternoon when the needle started to rise to hot, I quickly turned off ac and the when back down. The next driving around with no ac and the needle was moving...

Sounds like the thermostat is not working properly on your car. I would suggest changing it out, and

getting a radiator flush. if that thermostat freezes shut and does not open when the engine gets hot.

you could have bigger problems, like a blown headgasket, ruin your water pump or rupture radiator

hoses. good luck!

Jun 22, 2011 | 2002 Honda Civic

1 Answer

Water over flowing from radiator resorvior

I'd first check the coolant recovery cap to be sure it is sealing on top the radiator. I assume this occurs once the engine gets hot.

The other thing that could be happening is a stuck thermostat. If it is stuck closed, heat will build, and the coolant can only come throughthe small bypass tube instead of the upper radiator hose. That small hose builds pressure and forces the coolant to come through and out the radiator cap to the coolant recovery tank.

If you have not had thethermostat changed in a few years, now is a good time to do it. Use all new dcoolant and only distilled water. Tap water will cause the radiator to plug up after a while because of the minerals in it..

Jul 26, 2010 | 1993 Lincoln Town Car

1 Answer

I have a leak in the back of the engine. looks like a pipe coming from the firewall on the passenger side, about halfway down into the engine. is this a freeze plug or a heating issue?

That sounds just like the condensation drain tube for the AC system, and if it is cool clear water coming out of it when the AC is operating instead of hot coolant, then it would be a normal condition and it is doing exactly what it is designed to do.

Also, if it was a coolant leak you would be low on coolant, and the engine would be getting hot.

Jun 10, 2010 | 1999 Ford Taurus

1 Answer

1999 saturn sl1 wagon has overheating problem. Had a leak in the reservoir so I replaced that. During that time had added stop leak several times. Reservoir is now new, but still losing water at speeds...

If you cant see any water coming out anywhere then the only choice is a blown head gasket.

The reason the resorvior had a leak was the pressure from the engine got into the coolant and blew up the reservior bottle. This is a real common problem with saturns.

Get the car inspected. A simple test a a reapir shop will confirm this.

Be sure to flush all the stop leak out or it will clog the heater core up and the heater will not work.

Jan 04, 2010 | 1999 Saturn SL

1 Answer

My 99 dodge durango's a/c is blowing out hot air, put in coolant didn't work, put in freon it seemed like it was getting a little cooler but still warm, turned air off next day it was back to hot air...

Most likely cause is a leak in the AC system. Adding refrigerant alone won't cure your problem. Get a can of R-134A with leak detector in it. It has a UV dye that will glow wherever the system is leaking. Best of luck.

Jul 02, 2009 | 2000 Nissan Frontier

1 Answer

Overheating from leak not visible

Hook up a cooling system pressure tester. If you have a pin point leak, the pressure from the tester will shoot coolant out of the leaking area.

May 07, 2009 | 2003 Honda Civic

1 Answer

2004 nissan altima running very hot 60,000 miles..suspect is thermostat, easy to change, DIY I have same issue. No coolant leak, have put car up on lift with two guys looking for leak, and nothing....

It may be temperature sensor on radiator. Dashboard gets info from it. If this sensor is not good, ac will stop and dashboard willl show some strange temperatures.

Apr 28, 2009 | 2005 Nissan Altima

1 Answer

2000 Plymouth Grand Voyager Losing AC

U have a AC refrigerant leak, that is why it worked for a week after the system was topped off, now it has leaked out again.

Apr 10, 2009 | 2000 Plymouth Voyager

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