Question about 2005 Nissan Sentra

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Nissan sentra 2005 overheating, changed thermostate, radiator still over heating

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  • Nissan Master
  • 14,380 Answers

Change water pump and see.

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

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SOURCE: Hi, I have a 2001 nissan

hi. was just looking at your problem of (sentra) overheating and actually, i am a mechanic for nissan and have changed many head gaskets for this particular vehicle equipped with 1.8 liter motor and found that they are notorious for this problem of faulty head gasket's.Unless you did't properly bleed the system,which i doubt because you seem mechanically inclined since you already changed every other part of the system,i would't doubt that this is the problem.Anyway, by the time you read this, you have probably already found this out..Just thought i would let you know this info.Good luck!...by the way,if you haven't already changed you cam and crank sensors,do that too,before you get stuck and get the part's at the dealer!!!!-they are redesigned from the old one's!!just some advise to try to help you out!!! John from N.Y.

Posted on Aug 15, 2008

  • 1 Answer

SOURCE: 2003 Nissan Sentra Problem overheating and heater doesn't work.

I had this exact problem a few weeks ago. The repair shop first changed the thermostat. Didn't fix the problem. Next step, they found the radiator was clogged. They replaced the radiator and now everything works fine.

Posted on Mar 23, 2009

pal03246
  • 726 Answers

SOURCE: no heat just changed thermostat

sounds like you did not refill the system properly. right above the thermostat housing is a single screw with copper washer. you need to take this screw out before re-filling cooling system. that screw allows air to escape from the engine while re-filling coolant. you have an air pocket in system.

Posted on Dec 17, 2010

  • 1455 Answers

SOURCE: Nissan sentra 2004 overheating, fan

Check to see if the radiator fan switch if working properly.

Posted on Jan 10, 2011

  • 237 Answers

SOURCE: I have a 2001 nissan sentra 1.8 with 158,000

unfortunately these engines are known for this condition and for head gasket failure.with engine cold pressurize cooling system with spark plugs removed.look down into holes with flashlight after about ten minutes.....im betting youll see a puddle of coolant on piston...usually its cyl# 2 or 3.i cant think of any other possibility for system repeatedly airlocking other than a head gasket.good news they are probably one of the easier ones to replace.

Posted on Mar 11, 2011

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1 Answer

Will an air pocket in the coolant system cause it to overheat or over pressurize on a 2001 Nissan Sentra ?


1. The radiator cap if working correctly it will release pressure in the system provided the cap you have is the correct pressure setting. If you are having a problem with pressure then replace the cap with a new radiator cap with the correct pressure setting. Do not use a cap with a pressure setting other than the original equipment pressure spec. So you do not go to the parts store and buy any radiator cap on the shelf that fits because they come with different pressure ratings and some of these will be totally unsuitable for your car.

2. If the pressure valve is stuck in the "old" cap the pressure release system will not work.

3. Overheating
Air pockets in the cooling system can definitely cause overheating and can retard coolant flow through the system. If you are draining the radiator to replace the coolant or replacing the radiator you need to follow the correct procedures for bleeding air out of the system for that particular engine after coolant refilling. Some engines have bleeder screws on the cooling system to assist in the air bleeding procedure and some don't.

There are various causes for overheating so don't assume it will necessarily be solved by bleeding any remaining air from the cooling system and replacing the radiator cap with one that works.

Other causes can be...........
1. Faulty cooling system thermostat. (Replace the Thermostat)
2. Faulty water pump, especially if the impellers have corroded away or have disintegrated in the case of those design genius water pumps with plastic impellers. (Replace the water pump)

3. Cooling fans not working and if so the cause needs to be tracked. Check that your fans are kicking in. If the engine is overheating the fans should be running because they will switch on when the coolant reaches a specific temp and well before the coolant gets excessively hot.

4. A partial blockage in the coolant passages inside the engine but not in the radiator if you have a new one. If the coolant is not changed at the required intervals(frequently the case with many owners) or is over diluted with water you can get a build up of debris. If products like stop leak have been used in the system this can create similar problems with partial blockages inside the engine coolant passages.

5. A compression leak into the cooling system.
If you have bled air from the system and have continuous air bubbles in the cooling system I would suspect a compression leak. In that event a basic leak down test will show if you have compression gasses leaking into the cooling system and from which cylinder(s). The spark plug is removed and compressed air is forced into the cylinder via the spark plug fitting and air bubbles will show up in the coolant of there is a leak into the cooling system.
--------------------------------
Have the problem with overheating addressed immediately. Running the engine with an overheat condition will cause expensive engine damage many times the cost of fixing the overheating issue.

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Dec 29, 2015 | Nissan Cars & Trucks

1 Answer

Heating nissan sentra 1995


Have you checked to see if the thermostat is functioning correctly and is not jammed shut. That would cause overheating.

Mar 31, 2014 | 1995 Nissan Sentra

1 Answer

Overheating


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

May 20, 2013 | 2004 Nissan Sentra

1 Answer

Need to locate and replace the water pump on 1997 nissan sentra.


The water pump is located on the passanger side of the engine. Look right below the timing chain cover and there is a pully and belt on the water pump. You will have to remove the water pump and thermostate together then seperate them after you get them off the car. I would recommend replacing the thermostate also (cheap fix). You will have to remove the belt and pully before you can remove the water pump. Hope this helps....

Jan 05, 2013 | 1997 Nissan Sentra

1 Answer

My 2005 nissan sentra is still running hot, just replace the thermastat, what can it be/


changing the thermostat isn't always the answer to overheating problems unless the thermostat is faulty, the water pump may be faulty or the radiator could be blocked either internally or externally, check that the core is free of insects or other debris, if the cooling system hasn't been maintained properly by using a good quality corrosion inhibitor you could try using a good radiator cleaner in it to see if that improves the problem......hope this helps......cheers.

Sep 09, 2011 | 2005 Nissan Sentra

2 Answers

2005 Nissan Sentra overheating. Changed the water pump. Did a radiator flush. What else could it be??


Some thing too check:
Make sure coolant level is up to line and clean (not dirty, do to clogged radiator, may need to be flushed or replaced).
Make sure air flow through the out side of radiator is clear (dirt, leaves, ect..) .
Make sure fan is working properly equip t (is not running too slow). Or Manual (belt driven) fan clutch is working properly, not loose or spinning too freely?
Check for broken or cracked fan blades itself.
Check radiator cap, (no gasket tears).
Could be thermostat going bad ?
Could be coolant temperature sensor/switch (from computer) going bad?
Check radiator hose(s) (too soft, may collapse)?
In some rare cases:
Timing could be off.
Could be water pump.
Could be blown head gasket(s).
Could have cracked head(s).
ECT..............Hope this was some help???


Jul 25, 2011 | 2005 Nissan Sentra

2 Answers

Head gasket is damaged. 2005 Nissan Sentra, 1.8


i have a 2005 1.8 nissan sentra.i rplaced the radiator becuause it was leaking.so when i did i took it for a test drive and the needle went to hot then back down to middle ways between the C & H BACK IN FORTH.so i replaced the thermostat. now as far as i can tell it is staying in the middle of C & H. i can't feel no water though cerulating through the top or bottom hose of the radiator. so now that i told you what i done so far my question is???? ( my heater is not working in the car it is blowing out cold air & i left the car runnng for about 45 min. even took it up and down the road.still cold air.what do you think i need to do?????????? )

Oct 11, 2009 | 2005 Nissan Sentra

1 Answer

I need to replace a thermosts on a 2001 Sentra GXE


Hi! yeah this might help... but your radiator does'nt dissolved much water because of formed scale deposits.... try to drain or maybe check for leaks before changing the thermostat... Thermostat don't easily broken....

Jun 29, 2009 | 2001 Nissan Sentra

1 Answer

2005 dodge ram 1500 4x4 over heating and no heat in the cab


change your thermostate. it's stuck closed.
by one of thos new one's that if it sticks it will stick open instead of closed. good-luck, ray

Jan 16, 2009 | 2005 Dodge Ram 1500

4 Answers

2003 Nissan Sentra Problem overheating and heater doesn't work.


does the car overheat at idle or travelling down the road? if the thermostat was not changed, thats first step. checking it is replacing it. possibly air-bound. then i would suspect a headgasket problem.

Sep 30, 2008 | 2003 Nissan Sentra

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