Question about 2004 Nissan Sentra

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Overheating engine,water pump has been replaced,lack of interior heat,2004 sentra

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Try replacing your auxillary fans. it maybe faulty. this will the engine to cool down.

Posted on Feb 02, 2010


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Posted on Jan 02, 2017


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Have a 2004 buick rendezvous. No heat coming out vents while sitting. Has heat when your driving. Help!

Three things that can cause this. Low on coolant and there is air in the system. The heater core is clogged up somewhat. And the water pump needs replace, low flow. On the 3.4 engines, I would say I replaced water pumps the most for this problem and overheating engines.

Nov 11, 2014 | 2004 Buick Rendezvous

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Water pump how it works

Well, it pumps water through the engine pulling the heat out of the engine and getting rid of the heat through the radiator.

Aug 04, 2014 | 2004 Nissan Sentra 1.8

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Check the operation of the heater control valve. It will be conected to one of the smaller hoses leading to the heater core from the engine.

Dec 15, 2013 | 2004 Pontiac Grand Prix

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Check your thermostat ,then if that's not it,check your water pump.

May 20, 2013 | 2004 Nissan Sentra

1 Answer

2003 nissan sentra no heat, over heating

If the engine has overheated, chances are pretty good that you now have a warped or cracked cylinder head and a blown head gasket. Those engines are very unforgiving when it comes to being overheated.

Jan 08, 2012 | 2003 Nissan Sentra

3 Answers

2004 sentra overheats, new waterpump and thermostat. no heat out of heater. is there a second thermostat?

Are you sure there is not a air pocket in the engine after changing water pump,
there is only 1 thermostat

Nov 19, 2009 | 2004 Nissan Sentra

1 Answer

Engine overheating, no heat to interior.

First off you have no heat most likely because you have no water. Did you bleed all air out of the line once you refilled it. the 3.1 has a bleeder screw to allow all air out. If that was not done you will be driving down the road and you will hit a air bubble that will cause your car to overheat!

Feb 22, 2009 | 1997 Chevrolet Lumina

1 Answer

Overheating engine, but no water leakage; when overheating the fan for the heat in the car remains cool.

A number of possibilities...
1/ lack of coolant in system,
2/ coolant supply to interior heater blocked / controls jammed,
3/ failing thermostat switch to engine fan
4/ failing water pump

#2 may be separate problem and I would check out #3 - after #1, of course!
Hope this helps - if not hold the rating and add a comment below. Cheers, D.

Jul 22, 2008 | 1992 Toyota Corolla

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