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Hey Lads,

I got a RB20DET with twin thermo fans on radiator no air con condenser or anything all ripped out when driving my temp gauge reads....60-70 degrees which i think is a little low but once the car starts to sit in traffic it will jump right up to 90 degrees and start to over heating and start boiling the radiator fluid and spitting it out the over flow tank etc....

Im wonder i have a R33 Radiator in my car also would would be the best way of keep my car cool....vents in bonnet.

What about a new thermo stat that opened up earlier what would this help with.....can i please get some good import as with what to do about my position im in.

Im also putting in new knock sensors as mine are dead dont think this has anything to do with the heating issues but.

Thanks.

- Luke :(:):D

Another basic option is to hook one of the fans to a switch and just turn it on when the car is in traffic, i have it for hot nights and particularly warm days, if its gets any hotter than 1/2 then the other one kicks in due to the thermostat. But of late i did have a few issues with the radiator :(

If it's not overheating when driving around, but does when in traffic then your issue is most likley the thermos.

What size are you running and how are they configured?

Ideally you want to get the biggest fan(s) you can fit purely because they can blow/suck a lot more air than a smaller one (davies craig claim that a single 16 can flow more air than a pair of 12's).

Also, the fans can have the blades flipped over and the polarity of the wiring reversed depending on how its mounted. It would be a good idea to check that they have been set up correctly for your mounting style.

And last. Most fans seem to do a better job when blowing air through the radiator rather than sucking it through. If you can mount your fan infront it may help a bit too.

And flush your radiator while you are at it.

Good luck, overheating sucks arse.

I have 2 fans mounted on the frount of my radiator....i think i might need a new thermo stat as car runs on 70 when general driving but over heats in traffic etc.....

Might have a switch to turbo fans on and off for general driving then when slamming it turn them back on.

- Luke

If your really worried about it, take the thermo stat out of the car, and order a new one from nissan... my thermo stat is ruined so i just took mine out as im waiting for it to come from japan,with a few other parts. Car just takes a little longer to heat up thats all... not good for long term, but i figure its better then having the gauge on H the entire time (i.e cooking the engine)

Dayne

Mine does not cook but it will if i let it.....driving around daily its cold but not in traffic....i think i need a thermostat to make my car run hotter at like 70-80 degrees normal driving and for it to stay under 100 when i smash it.

- Luke

You're absolutely sure they work when the engine's running? And you're absolutely sure they BLOW air through the radiator?

I doubt the thermostat has anything to do with it overheating. If it was going to overheat, it's more likley to do it when the engine is working hard, not when it's just sitting idling.

The standard thermostat is supposed to be around 78C, IIRC.

Err..... have you changed the radiator yet or had it checked out yet? My mate had the same problem. We ended up changing the thermostat, water pump, timing belt, reflushed the cooling system and check the thermo-fans before we changed the radiator. I work at a delearship and the first thing you should do if you have overheating issues with those symptons should be to replace the radiator or have it fixed.

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