1999 nissan altima, overheated and no leaks after fluid replinished, but car will start and then shut off after a few minutes.

NO,THE AC CANT CAUSE THIS,IT IS COOLANT WATER,
IT SEEMS THAT THIS CAR HAD AN OVERHEATING AND WATER IS LOCKING THE PISTON,
REMOVE UR SPARK PLUGS AND CHAECK IF WATER IS THERE,

I, feel sorry for you, after reading your problem, but don't worry you visit the Reliable-Store they will help you for sure.They have repair manuals at a very less cost.
2006 Nissan Altima

Check for a blown head gasket

hello ron....no. that is a transmission fluid. The recommended power steering fluid for your vehicle is Amsoil synthetic universal power steering fluid. about $7.00 per quart. Joe

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Were the parts installed correctly? All wiring harnesses plugged back in? Did the Nissan quit running before parts were replaced? The overheating may have blown a head gasket.

possibly normal wear,band adjustment, check fluid level & condition(contamination); check for vacuum hose leaks and condition opf vacuum hoses..

If the fluid is red, it's automatic transmission fluid. If it's anything from honey-colored to black, it's engine oil.

Check both via the dipsticks if you can't visually identify the fluid. Depending on how long it's been leaking, it should be evidenced by a low level of one or the other.

Hi there,
There is no changable filter in your trans. Its internal. I would check the fluid level first. Make sure that its where it NEEDS to be. Start the car and let it idle. Car has to be running for this. In neutral, pull e-brake, open hood, pull out trans dipstick, wipe dipstick and put it back into the trans dipstic tube. Take dipstick back out and check it for proper level. Sounds like its not. When radiator gets replaced on your Altima, the trans fluid runs through a cooler that is built into the bottom of the radiator. With the cooler lines disconnected, there is some fluid loss. Not much, but if the trans is not filled or re-filled to a proper level (under or over filled out of the markings on the dipstick), that can cause some issues. I would be suspecting that first, since it has been happening after the radiator was replaced. What kind of radiator is it?? Nissan or cheaper aftermarket brand??Let me know what you find and we will take it from here. Just to ease your mind a bit, Nissan trannys are pretty bullet proof and especially in your model. That model car is the most under-rated car Nissan EVER made. The ONLY issue that car has is an intake gasket breaking, thats it. Totally bullet proof. Anyways, let me know what you find as far as the "PROPER FLUID LEVEL". And also check the color of the fluid. Take a piece of white paper, fold it in half and drip some of the fluid on it. Take a look at the color. It should be nice and pink, not dark and black.

fluid coming out of the vents indicates a faulty heater core, but this does not explain the overheating problem. The blown heater core may only be the result. Check the coolant level.Check for coolant leaks primarily at the water pump. Check the thermostat by insuring both hoses to and from the radiator warm up. Check for foamy oil or white smoke from the exhaust indicating a blown head gasket or cracked head. Check to ensure your cooling fan is working.