Question about 2004 Suzuki Forenza

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I have a 2006 Suzuki Forenza that has a water leak

I have a 2006 Suzuki Forenza that has a large pin hole in the forward freeze plug of the engine block. The engine got hot, but appears to be ok. Is this a common problem for my car? Is this a difficult to repair. Is this covered under the 7yr 100K powertrain warranty?

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Hi Hit,

Before doing anything yourself to the vehicle, definitely check the coverage of the warranty. Maybe on of my fellow experts has the details on that.

If it turns out to not be covered, here is an inexpensive fix. Get an egg. (I'm serious, I have done this and seen it work with my own eyes, so hear me out)

With the engine cool, break the egg (not the shell) so it goes into the radiator. Top it off with water and cap it.

Start the engine and let it run until it's thoroughly warmed up.

As the water heats up, so does pressure. Water will begin to shoot out of the pinhole you described.

At the same time the water will begin to cook and hard boil the egg causing it to solidify.

As the coolant circulates, eventually one of these pieces of egg will be caught in the escaping flow of water and jamb up against the hole. As the pressure becomes greater, it will be partially expelled through the hole. As the heat cooks it more, it expands more and becomes leathery forming an effective plug.

Keep in mind, by the time the egg has made one trip through the water pump, it's in a thousand pieces. Small enough not to inhibit the radiators function, large enough to plug the hole.

Hope you find this very helpful


Posted on Oct 04, 2009


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For the do-it-yourself kind of mechanic, there is a kit sold by Prestone that will help you back flush the system using an ordinary garden hose. Available at most any auto-parts store, Walmart & such. It has the basic instructions on the container but I'll give you an overview.

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once done, drain the system & refill with the mix you prefer for your area, usually not less than a 50/50.

good luck.

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