Question about 1994 Nissan Maxima

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Engine Heating Hi, I've observed that my engine is getting heated up pretty quick, just after driving 2 miles. I tried pouring water/coolant in the over-flow tank (looks good for 1-2 days, then same problem again), changed engine oil very recently, but still same problem. I see that theres some leak onto my alternator. Any guesses what the problem might be? I am afraid how much its gonna cost me!!! Its 113K driven '94 nissan maxima. Please help me.. Thanks

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You need to replace the thermostat in the radiator, they are very inexpensive and most times you can replace it yourself, if that doesn't help, drain the radiator and buy a drain kit and radiator cleaner, it will remove rust corrosions and anything else blocking up the flow, replace fluids and check to see if it runs properly, worst case senario is that your water pump needs to be replace cause Nissans are notorious or I should say Older models are and water pump seems to be the thing that goes out before anything else

Posted on Sep 17, 2008

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When the coolant system over-heat,the hose and radiator are the 1st defense.

If the drive keep driving the freeze plug will give out to protect the engine block and head.

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Here are few pictures of freeze plus.

Link HERE

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Is the radiator or overfill jug loosing water over time? Even a small amount under the minimum can cause quicker heatups. Also, start the car and check your hoses. I've seen hoses collapse and cause problems similar to that.

The ambient temperature could also be a factor. When you're cooling the water and trying to keep it below 212; a breeze of 40 degree air is a lot better for the cooling then 90 degree air.

One other thing as well. Being as it is an older car, you may want to try blowing our the radiator. Using an air compressor with an air nozzle. Just blow air through the back (in the engine compartment) through the radiator and out the front. This will clean out the radiator from bugs, dirt, and debris.

Try those ideas and see how it turns out.

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