Overheating Problem Need Help Pls

[Jsikalias]

there we gooooo

[Simon-S14]

whatever that is, it aint pretty, however if thats only in a small section of the rad i doubt it would cause the probs that your having. but if its all over your radiator... well then yes its going to block flow big time

[blind_elk]

  cheez said:

to flush the radiator u dont neeed to remove it. just d/c the top hose and then the bottom hose. put a hose in the top and flush away. after that flush the engine by sticking the hose into the intake (top hose) and allowiing the watr to come out the bottom.

It will work better if you "reverse flush" the radiator. By adding water in the top, all you are doing is forcing the crap further into the cores.

Take it out, upend it and push water in the what is normally the bottom of the radiator.

[Jsikalias]

ok ill try that now

[Jsikalias]

clean as a whistle nothing came out unless the crap is stuck.... is there anyway to test the thermistat

Edited January 3, 2008 by Jsikalias

[Jsikalias]

wat if i have sprayed my intercooler black ? would that be a problem i need a new one ne way its abit damaged

[Simon-S14]

nah the cooler sprayed black wont cause an issues at all, unless the core is also blocked, which is going to cause a major restriction to the radiator

[mid life crisis]

hopefully have fixed my overheating probs will find out when i put the rad back in the car on the weekend . took my rad to work and sent it of to the guys that do our rads for our work . turns out it was about 40% blocked and the top tank wasent the best adding to that my thermostat was not working properly hardly operning in a boiling saucepan of water hopefully it's sorted .

on the other hand tonight my sons r33 looks like it has blown a hose behind the head somewhere will bring the pressure tester home from work tommorow and see what going on there .

this hot weather in adelaide is taking its toll atm . we have so many people phoning and driving off the street for aircon regass it's running us off our feet good for the boss i supose tho lol

[Jsikalias]

and the funny thing is when its 30 degrees and i turn the a/c on after awile it overheats

if its 25 degrees outside i can turn the a/c on and it wont overheat

but when its 35 and over without a/c it overheats lol..............strangeeeeeee

[Simon-S14]

not strange at all, the AC makes the motor work harder, the air con core in front of the radiator gets hot, and pases the hot air onto the radiator, theres extra heat under the bonnet... all taking its toll on the cooling system. If part of the cooling sys isnt working properly, then it all goes down hill.

[Jsikalias]

well... well... the boys at thommo radiators found that my radiator was leaking pressure on the bottom of the seems

on order is a Just jap aloy radiator hopfuly there good i didnt want to spend 800 bucks for a genuine nissan one

Edited January 4, 2008 by Jsikalias

[Simon-S14]

should have looked in the group buy section, fatz is selling the 50mm rads for 280 ish i think

[bubba]

Yeah I've got one of those from fatz.. had two tiny pinprick leaks on the upper front corner (in the welds) which I wasn't very happy about but not much I could do, just put some silicon on them and she'll be right.

I am however having slight over heating problems under certain conditions now that I didn't have before, new thermostat, water pump and radiator cap on their way so I'll put those on before I make any claims about the radiator. Most others have good experiences so I hope that it's the water pump/thermostat/radiator cap that is the cause and haven't wasted money on the radiator.

[Jsikalias]

thats why i just went with just jap because they offer 12months warranty on the cooling pro ones and i bought a few other things off them which he discounted alot

[mid life crisis]

  mid life crisis said:

hopefully have fixed my overheating probs will find out when i put the rad back in the car on the weekend . took my rad to work and sent it of to the guys that do our rads for our work . turns out it was about 40% blocked and the top tank wasent the best adding to that my thermostat was not working properly hardly operning in a boiling saucepan of water hopefully it's sorted .

on the other hand tonight my sons r33 looks like it has blown a hose behind the head somewhere will bring the pressure tester home from work tommorow and see what going on there .

this hot weather in adelaide is taking its toll atm . we have so many people phoning and driving off the street for aircon regass it's running us off our feet good for the boss i supose tho lol

whooo hoooo all fixed took it for a spin today up the hills with the aircon on it's another stinking hot day in adelaide and the needle sat a fraction just under half and did not move at all . cleaned out rad and new top tank . new thermostate . flush all old coolent out and replace with new total cost around 200 bucks . im as happy as a pig in poo .

found the problem in my sons car why his overheated it has split the turbo water line behind the head looks loke a prick to get at and fix .

bugga he can wait till the weather cools down lol mines fixed thats the main thing lol

cheers mid life crisis

[Jsikalias]

iv thrown in the radiator and the thermostat BUT the top of the radiator hose isnt realy hard....

[Jsikalias]

its going to be 40 tommoz so ill test her out in the hot weather i tested it b4 and the needle didnt move...

[Jsikalias]

WO0O00O0O0O H90O0O0O0O!! lol fixed 40 degree weather with ac on full ball love it!

thanks guys

[limpus]

Whereabouts would i be able to get a new radiator cap for my car? what specs or part no. should i be looking for? Cheers...

[R334door(s2)]

  limpus said:

Whereabouts would i be able to get a new radiator cap for my car? what specs or part no. should i be looking for? Cheers...

i think you would have to get a new cap from nissan i think thats where i would go just to be safe

hey atleast you knoe you have the correct cap then