[Supras] A/C booster fans

[partialresponse at comcast.net]

Recent new Toyota radiator caps (at least those for the Supras) aren't what they used to be. I'd try another new one to see if the boiling persists. About two years ago I bought a new Toyota radiator cap from a Toyota dealer, it was defective (wouldn't hold pressure).

Kofi


-------------- Original message -------------- 
From: "Jeff Mohler" <speedtoys.racing at gmail.com> 

> This isnta temp sensor issue, but something larger. Thats pretty bad. 
> 
> On 8/1/06, Eric Boeck wrote: 
> > Hey Guys, 
> > 
> > Are those two little electric fans thermostatically controlled? And do they 
> > run if the engine is hot but turned off? I ask b/c with this heat wave 
> > going thru here, yesterday when I used the A/C (retro'd to 134a), then 
> > turned off the car and came back 10 min later, the rad was boiling. 
> > Literally boiling and just a-bubblin vapour out the overflow!!!! Rad < 
> > 10kkm, new cap, engine temp was normal. All I can think is that heat built 
> > up between the condensor and rad, and caused it to boil the fluid. 
> > 
> > Noooo, it's not a BHG. Checked that a little while back (sniffer). And 
> > there is NO way you'd get this much bubbling with a BHG. I mean a roiling 
> > boil!!! 
> > 
> > Anyway, anyone retrofit a temp sensor to keep the fans on if the temp behind 
> > / between the rad was over a certain amount? Thinking I might need to do 
> > that. Set it for say, 80 deg C, and use a relay to keep those fans on until 
> > it drops below that. 
> > 
> > LMK 
> > 
> > Eric 
> > 91T 
> > _______________________________________________ 
> > Supras mailing list 
> > Supras at supras.com 
> > http://supras.com/mailman/listinfo/supras_supras.com 
> > 
> 
> _______________________________________________ 
> Supras mailing list 
> Supras at supras.com 
> http://supras.com/mailman/listinfo/supras_supras.com