Question about 2004 Nissan Altima
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Posted on Jan 02, 2017
It appears we have an Air lock scenario and you will need to perform a system Bleed.
Park the vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater on full and blower to max. When engine reaches operating temperature watch and listen near coolant filler, keep clear as gurgling and hopefully a boil over should occur. Top up with very warm coolant and wait as it may do it again.
Check for heat inside vehicle if warm replace coolant cap but keep an eye on temperature gauge as the ~Air lock may have moved on from heater matrix/core so proceedure needs to be carried out again from COLD.
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Posted on Feb 24, 2009
SOURCE: timing belt 1994 nissan altima
My 1994 Altima has a timing chain on it and these are supposed to last the life of the engine. I would say unless you can really hear the problem then to leave it alone.
Posted on Feb 25, 2009
Only two things will cause this problem.
1. Water flow circulation restriction.
A. The thermostat maybe to blame like you said.
B. The water jackets in the radiator maybe plugged up slowing or stopping the water flow through the radiator.
2. Coolant system not staying pressurized
A. The radiator cap may have worn out seal around it or it's not regulating the pressure.
B. Internal leak in the engine:
1. Check engine oil for a light milky color
2. When the car is cold, take off the radiator cap. Run the engine a idle. See if any air bubbles come up through the radiator for a few minutes.
I would check all these possibilities out.
To change out the thermostat, It would be to hard to tell and show you over the computer. But, it should be easy enough.
The best and easiest way for you is to buy a Chilton manual for your car at the autoparts store. The book runs about $20.
This book is a do-it-yourself bible. That way you know how much is involved. It will show you everything you need to know on how to do maintenance and repair on your vehicle.
Posted on Apr 10, 2009
yeh its located under the passenger side glove box,its in the heater box beside the heater motor ,,2 scews hold it in and it looks like a credit card when its out,,,,
Posted on Apr 19, 2009
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