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freek els Posted on Sep 28, 2015
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NP200. Why is it still overheating?

Overheating even after i have replace termostad water pump skime head end replace radiator i have also fit new gaskets on head

2 Answers

Dr phil.I.A.M.E

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  • Expert 356 Answers
  • Posted on Dec 06, 2019
Dr phil.I.A.M.E
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Some headgaskets can be put on two ways and one way blocks water jackets.Did you clean all holes for water.Is it loosing any water.Has cap been tested to make sure its holding pressure.Also test radiater to see if biulding up to much pressure

Samkeliso blesses

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  • Posted on Dec 06, 2019
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It was leaking on the radiator but now is not leaking

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5 Related Answers

Anonymous

  • 1201 Answers
  • Posted on Jan 30, 2009

SOURCE: 96 nissan maxima overheating

Check or have the electric cooling fan or fans checked, to see if they are coming on, and the radiator cap checked. You've done everything else.

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Anonymous

  • 6784 Answers
  • Posted on Mar 13, 2009

SOURCE: 2000 Sunfire coolant problem. Engine overheating,

ok, its time for a radiator flush. there is major sludge in the internals of this radiator. Make sure the thermostat is in the correct position as well. I've seen many cars come into my shop with the thermostat inserted backwards.

Anonymous

  • 294 Answers
  • Posted on Mar 21, 2009

SOURCE: overheating

hello, have you ran a scan tool on it yet to see if its not your coolant temp sensor or other temp sensor if you don't own one you can have any place like auto zone run one for you for free you'll have more of a idea of whats wrong even if your cooling fan is at fault it'll let you know. when your chevy is at idol if the cooling fan is'nt kicking on then that's a good starting point,also check to make sure your anti freeze is'nt low and easy but over looked problem and your anti freeze cap could be bad and wont force the right amount to pressure through the cooling system also make sure you dont have air in your system when you changed the thermostat did you bleed the system through the bleeder valve mounted on the coolint system.and make sure your drive belt has proper tension even though you replaced the pump the drive belt has to be in good condition it drives the pump.also check your cooling fan fuse and the relay for it.

Anonymous

  • 85 Answers
  • Posted on Apr 29, 2009

SOURCE: nissan sentra n16 temp. overheating

If all of the things you replaced are working fine I am going to say double check the thermostat. Also make sure your fan is engaging at temp. You cam check by running till warm and then running the AC. If the car does not overheat with the AC on then your fan is not running under normal conditions (with AC off) This can be caused by a couple of different things depending on how the fan is set up. I am not a nissan expert

Anonymous

  • 78 Answers
  • Posted on May 21, 2009

SOURCE: Nissan Serena overheating

Does it leak coolant?

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Related Questions:

1helpful
1answer

My np200 overheats after I fitted the water pump and thermostat and checked if the oil and water hasn't mixed

Check to sure that the thermostat is not installed backwards. Make sure that nothing is preventing the water pump from moving. Lat be sure that you are using the correct coolant and water ratio. If the issue was overheating to begin with, you have another problem like a plugged up radiator core.
0helpful
2answers

A gas smell coming out of the radiator and overheating

good chance get a compreesion test done on each cylinder to confirm this is happening
0helpful
3answers

Overheating. Recently done motor over. New thermostat and thermostat and sensor. Can it be the water pump that is faulty?

did you recon the rad it may be corroded all ways replace rad when you recon an engine but a handy way to see if the pump is working is to see if the water is returning into the header tank
0helpful
1answer

I have a mitsubishi space wagon (not galant but the space wagon didnt come up as an option)1997cc, 1993 automatic petrol. It has had a new radiator, new thermostat and new head gasket fitted but is still...

It sounds like the water pump belt under the timing belt is broken or the pump is not circulating the anti freeze the way it is supposed to.Did you replace the water pump, water pump belt, and timing belt when you replaced the head gasket? If a vehicle is over 100,000 miles it is recommended to replace the water pump while doing the timing belt just because the pump is such a pain to get to under the timing belt.
1helpful
2answers

Overheating

I would recommend that you bleed all air out of the cooling system. The bleeder valve is located on top of the engine. Once engine starts to overheat or when you can hear bubbling back into the overflow bottle, turn car off and open bleeder valve. If you see bubbling you have air in your system. Bleed the system a couple of times and see if this helps.A heat sensor sending unit which controls activation of the electric fan could also have failed.But is the heat sensor is properly working then check the radiator cap is it properly fitted or got loose.If its loose it will release the pressure and car will overheat.But if the radiator cap is properly closed.Then its time to check the HEAD GASKET.As you have mostly replaced all the possible faults for overheating and if other mentioned possibilities are checked OK.Then its time to check and replace head gasket. Thanks. you can rate this solution and show your appreciation.
2helpful
5answers

Overheating all the time

First, anytime a thermostat is overheated, it's ruined.

Second, if this car has electric fans, are they running when they are supposed to? If not, replace the fan control module, and/or test/replace the fan motors.

When the radiator was replaced, were you certain to purge the radiator and engine of all air before replacing the radiator cap? When you refill an emptied system, you always start the engine and watch the fill level in the radiator, refilling as necessary until you know the thermostat has opened. You need to have the heatrer controls set to full hot as well. Once the radiator is filled, put the cap in place, and fill the reservoir to the level indicated for a hot engine.

Finally, check to make sure the lower radiator hose is not collapsing while driving. While this is difficult to check (because your going down the road), just replace it when you replace the thermostat.

All of this assumes you do not have a cracked head or blown head gasket.
1helpful
2answers

Why i have to refil the radiator water evry 2 wks. i just change also the termostad and temperature sames ok. no leaking any ware...

Check the condition of the seals in the radiator cap, the coupling hose to the overflow tank, and the tank itself for any cracks. Make sure that water isn't ending up in your oil supply. You might have head gasket problems that allow combustion gases into the cooling system forcing out water and causing overheating. A well-equipped shop will have a test for that problem and can advise on repairs. Good luck!
1helpful
1answer

After spending 880 dollors on having a head gasket water pump and radiator replaced in my 1998 pontiac sunfire 2.2 liter it has no flow thru the brand new radiator engine runs supur hot 260 degrees in 2...

YOU COULD HAVE A DEFECTIVE WATER PUMP OR THERMOSTAT ALSO RADIATOR PRESSURE CAP.MAKE SURE YOUR WATER PUMP IS BEING TURNED BY DRIVE BELT.NOT SLIPPING.MAKE SURE COOLANT SYSTEM HAS BEEN BLED AND YOU HAVE HALF ANTIFREEZE HALF WATER.CHECK YOUR CRANKCASE WHEN CAR COOLS DOWN.IF OIL STILL LOOK LIKE MILK SHAKE.YOUR NEW HEAD GASKETS LEAKING.THE MECHANIC WHO REPLACED HEAD GASKET DIDNT DECK THE HEADS.THEY PROBABLY NEED SHAVED A LITTLE SO HEAD GASKET WILL SEAL.
0helpful
1answer

Overheating and boiling in the overflow reserve tank

replace radiator cap system depends on good pressure to keep from overheating
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