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Old 05-29-2014, 12:23 PM
 
8,089 posts, read 4,446,122 times
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bars leak is actually a very good product, car com in off the assembly line has bar leaks in their system
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Old 07-07-2014, 07:41 PM
 
4 posts, read 20,174 times
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I have a 2004 Monte Carlo just had my oils checked all normal however my car is over heating nd idk why there's no leak no puddles nd my violent was gone when checked so I'm confused I'm a single woman nd idk have any family or man I can trust to help me can you please give me advice I can't afford to pay a lot either but the car runs great with the exception that my gauge is saying very hot nd by the red line them I drive a lil nd it cools down but if I'm at a light it goes up nd shakes the change engine light is on but the oil guys say it just needs to be reset
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Old 07-07-2014, 07:43 PM
 
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My Monte Carlo is a good car but all of a sudden it's over heating but there's no leak nd the coolent is gone but the oil guys says it's hot hot when I just drive it down the street
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Old 07-09-2014, 06:29 AM
 
Location: Great Plains
25,584 posts, read 30,493,706 times
Reputation: 22713
Water pump is bad, also might be worthwhile to replace the thermostat. If I can read that right. Car overheats, however the coolant level is fine
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Old 07-22-2014, 05:57 PM
 
4 posts, read 20,174 times
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No coolent level isn't good I guess the water goes out idk they're saying my head gaskets on I take manifold it smokes white out from the muffler won't go fast nd gage says it's super hot
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Old 07-22-2014, 05:59 PM
 
4 posts, read 20,174 times
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Default Monte Carlo

There's also no leak but water in the oil
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Old 07-22-2014, 09:03 PM
 
Location: Chicago
38,691 posts, read 86,783,990 times
Reputation: 29355
Quote:
Originally Posted by MLynnSwillis View Post
No coolent level isn't good I guess the water goes out idk they're saying my head gaskets on I take manifold it smokes white out from the muffler won't go fast nd gage says it's super hot
Quote:
Originally Posted by MLynnSwillis View Post
There's also no leak but water in the oil
Blown head gasket. $$$$

And unless you want a blown motor as well (if that hasn't already happened), stop driving it.
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Old 08-01-2015, 11:21 AM
 
1 posts, read 3,208 times
Reputation: 10
Default Thinking about using the stop leak also on a Taurus..

Put the K&W radiator and Block seal in a Chevy truck, and it quit leaking where ever it was coming from. Haven't had any problems in quite a while with that vehicle now.. I think it was coming from the radiator maybe. The plastic fill tank stays full now, when before it would be down a lot. Just glad it quit.. I changed out the thermostat to a 185 degree one afterwards, and it runs cool all the time (never ran hot before as it stayed in the ranges between 200 degree's or less but had this leak. It just leaked a little bit was all... Even in extreme heat where there are triple digits and I am sitting in a drive through line it still runs cool. So far no trouble from this K&W stop leak application used in a pick up with a V6 in it.

Now I have a problem with a timing cover (anti-freeze leak) on a 3.0 Ford that has 280,000 miles on it (runs great), and I am thinking about putting some stop leak in it for now. I think I will take the thermostat out of it, then loop the heater core hoses together in order to by pass the heater core if this is possible, then drain the fluid down, refill with straight water, add the stop leak, let run to operating temperature for say 30 mins, then drain fluid/water back down, leave system empty and open for drying around 24 hours, refill it with anti-freeze and then try it. What do you all think, will it work maybe ? I am seriously thinking about it.

I could do the big job myself, but with the miles on this vehicle I'm seriously thinking about just taking a chance on it.

Hope the pick up story helped with the good aspect of it, but I am still not sure about it all myself other than the positive experience with the pick up I have had.
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Old 08-01-2015, 03:32 PM
 
1,373 posts, read 1,260,500 times
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I've been working on engines since the 70's and have used many stop leak products, sometimes successfully. Yes finding the leak and fixing it properly is best, but it is not always cost feasible. Stop leak products are only suitable for minor leaks, if you are losing more than a gallon an hour of coolant the odds of it working diminish. The main component of most stop leak products is sodium silicate, also known as water glass, and it is available in its pure form from most pharmacies.

I prefer using the pure sodium silicate, drain and flush ALL antifreeze from the system first, add 1 pint sodium silicate and top off with water. DO NOT put the cap on radiator, let it idle for an hour, check water level to make sure it stays full while running. If its still losing coolant after an hour you are SOL. If it is no longer using coolant reinstall the radiator cap and let it idle for another hour, then let it cool off and check coolant level again. If it lost coolant again you are SOL, if coolant level is still good drain and flush the system and reinstall antifreeze and car is good to go, but check coolant level whenever car is cold until you are sure its holding.

I'd use same procedure outlined above for any stop leak product, most are not compatible with anti freeze, if you mix a sodium silicate based product with antifreeze it turns into a jello like solution.
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Old 08-01-2015, 07:29 PM
 
Location: East of Seattle since 1992, originally from SF Bay Area
28,382 posts, read 50,562,503 times
Reputation: 28610
Check to make sure it's not a leak in the overflow tank. In most cases, the light is set off by a float in it. After it's been running a while, stop, and look underneath for signs of dripping. My beater commute car, a 1997 Escort was doing that, and I had to add about a pint to the overflow tank every other day,
but the radiator remained full so it never overheated. The radiator did have a leak, but sucked back up from the overflow when it cooled. I could see the drips from half way down on the right side. I got a brand new radiator off E-Bay with free shipping for $49, and it took me less than an hour to install..
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