I am having a leak apparently in my passengerside radiator. and cant really dick around with the vehicle becuase its to cold out and such. so I was wondering if that stop leak stuff for radiators would be a good route to take ? i know people dont really reccoment additives to the oil so im wondering about this. thanks for the replys.

Barr's leak, and other "stop-leak" concoctions WILL with great regularity, clog a heater core. Do you have any great desire to replace a heater core? If you do, seek therapy, NOW! The best, biodegradable, easily flushoutable, willnotkillableanything, stop leak "additive" is plain 'ole ground black pepper. Couple of tablespoons into the reservoir...stir it around so it doesn't clog the feed, run the car until the thermostat opens and then a little longer...repeat the procedure...

Will it completely stop the leak? Probably not. Will it slow the leak considerably? Most likely. Will tightening the clamp at the upper radiaot hose where it attaches to the radiator neck solve the delimma? Don't do it!

Hope this helps,

Chris

I wouldn't use "Stop Leak" in an 84 K Car. In fact I prefer to call this
crap "Stop Rad". The only exception would be if I were selling my car to
somebody I really disliked.
Armie

I would not use stop leak. It would be possible that it would plug you radiator or even your heater core. It is also possible that it would introduce a corrosive chemical that could lead to leaks that would only be repaired by replacement. However, if your leak is minor, and you said it was cold out, it is possible that you have a hose clamp that has started to leak as the ambient temp has dropped. I understand not wanting to repair in the cold, I live in Minnesota. Keep a jug of 50/50 coolant with you in case the fluid gets too low, a warped head and blown head gasket would really stink if you overheat, besides leaving you stranded. Good luck.

It probably won't help.

Try it. It only works on microscopic holes and it won't hurt the cooling power of your antifreeze. You really should investigate why it is leaking before it gets worse.
Klaus
--
98 V70Rawd(101Kmi), 95 854T(85K mi), 75 164E(173K mi)

i cant afford this :~(

What's to afford? A gallon of good antifreeze and a clean milk bottle let you mix it 50/50 with DISTILLED water. Keep one in the car and the other in the garage. If you ever get stuck on ice, you can use some of it under a spinning wheel!
If the leak is minor, save it for a warmer day. If you park outside, wait until the sun is out, turn the heat on and when it is warm in the car start removing things under the dash. Until you find the leak, you won't know what it will cost to fix. Could be a matter of tightening a clamp or replacing the core. Anxiety costs too much,

Klaus
--
98 V70Rawd(101Kmi), 95 854T(85K mi), 75 164E(173K mi)

:D i know this car a bit by now and this aint just a little deal. hehehe from my experience im just setting up for a non supprise situation.