My car runs hot very quickly.the coolant leaves out the reservoir fast and it starts smoking and then cuts off. I just put a new water pump on yesterday and its still smokin and running hot. Smokes on

30

Asked by Oct 02, 2014 at 08:58 AM about the 1999 Chevrolet Lumina

Question type: Maintenance & Repair

Passenger side of the car

16 Answers

31,265

Sounds like a head gasket. Is the smoke coming out white? Is the oil milky?

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Best Answer
30

Its coming out white im not sure what u mean bymilky oil

1 out of 1 people think this is helpful.
30

I turned my car on and let it run smh it started smoking in 3 minutes

31,265

When oil and water mix in the engine, the oil turns a white color. I'm afraid that the head gasket is gone.

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30

Ok the oil isnit white its still brown

2 out of 2 people think this is helpful.
30

Nothing wrong wit oil

143,075

I think Bohol_mark was referring to this..it's emulsion ...

2 out of 2 people think this is helpful.
30

Could it be my thermostat are something like that

30

It doesn't look like that...I have pics but dont know how to post them on here

31,265

Sorry Macky, but it's way beyond a thermostat now. And there's no "Mechanic in a Can" that will fix it.

1 out of 1 people think this is helpful.
143,075

Save the pics to your computer..desktop works for me...click "Add photo" in blue below then when you get 'browse' click that, find pic, right click on it than left click "Select"

30

Thanks for the advice

143,075

Also second opinion, 100% agree.. there is no miraculous 'fix it in a can', especially if you put it in crankcase..will clog the small oil passages on piston rod bearings and burn up/spin a bearing. That crap does more harm than benefit

730

First of all, start your engine cold and check the exhaust. See if it blows out liquid, sooty (black) water. If your oil in a hot engine doesn't look like chocolate milk - that's a good thing - make sure the oil is clear or not. Now make sure you opened your radiator cap before starting the engine. Immediately after starting the engine cold see if there is smoke bubbling up through the coolant and look to see if there are little specks of soot floating around in the water. You can take the car to a mechanic who will use a "sniffer" to see if there are exhaust gasses in the radiator but if you can see smoke bubbles and/or soot in the coolant it's not really necessary to involve a mechanic. As the car warms up, notice if the white smoke dissipates or remains constant. Any one or several of these in combination or all of these symptoms indicates one of three conditions; 1. A bad or blown head gasket. 2. A warped head possibly from overheating problems not yet diagnosed. 3. A cracked head. A blown gasket or cracked head may not necessarily put water in your oil depending on where the gasket or crack is leaking. The white smoke is a dead give-away that it is one of these three problems. It means that cooling water is getting into your cylinders and going out the exhaust as steam. It can only do that from one or all of these 3 problems. There are some "mechanic in a can" bandages for this but none of them are reliable for very long and it is not fixing the problem. The only way to fix this is to pull the head and look for cracks. If no cracks you may just need a new head gasket. Check the head for warp and get a machine shop to plane it back to level and be sure to follow the head bolt tightening schedule and torque specks to the letter. If you don't have a torque wrench, buy one, borrow one or find a friend who does. You should buy new head bolts, too.

730

I forgot to mention; if you warm up the engine with the radiator cap off and also removing the thermostat, the white smoke will most likely dissipate. This is because you are not building up pressure in the cooling system and so it is not blowing water into the cylinders as much. You may be able to drive the car to the mechanics shop this way but don't think it has solved the problem. You will destroy your engine if you drive it this way for very long.

1 out of 1 people think this is helpful.
10

My car stop blowing hot heat

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