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Chevrolet Townsman Freeze Plug

Chevrolet Townsman Freeze Plug Diagnosis

The car's cooling system must always be inspected to check if there are any leaks. If it's properly maintained, you're assured that the engine will perform effectively. A part of the system is the coolant, which circulates around the engine and radiator to cool them down when it gets too heated up. It's important that the freeze plug is in good condition to ensure that there is no coolant leak. Here are some troubleshooting tips to diagnose the Chevrolet Townsman freeze plug if it's getting worn out.

Leak from the outside

The external leak is one of the most easily diagnosed problem with the cooling system. When this happens, the coolant can seep out from the system, thus overheating the vehicle quickly. You can just spot that there's an external leak by taking a good look at it. Two instances would be a hole in the radiator or a split and damaged hose. Inspect the freeze plug as well to check if it's still in great condition because a damaged one can allow the coolant to seep out. You can just easily replace this with a new one.


If you discover that there are cracks in the coolant reservoir, then it's a confirmation that coolant will leak out. You should start inspecting the water pump and the engine freeze plug if they are cracked. You'll also have to get them replaced to avoid any more coolant to leak out of the system. Otherwise, it will surely make your vehicle overheat.

Rusty freeze plug

Take a good look at your current freeze plug to know if it's rusty. Aside from it being an eyesore, it's not good to keep a rusty freeze plug. Get the rusts scraped out or get a replacement instead.

Blown freeze plug

A blown freeze plug can cause the coolant to seep out. Once you discover that there's something wrong with the plug, have it replaced right away so that you won't end up jeopardizing the cooling system of the vehicle. A rubber plug can fix the problem temporarily, but be sure to get a new freeze plug right away.

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  • Chevrolet Townsman Freeze Plug Upkeep Tips

    The freeze plug's basic role is to keep water from freezing inside the car engine and to secure the cylinders in place. If the coolant starts to seep out, it could be due to a worn plug. There are a lot of other problems that are caused by a faulty freeze plug, and this usually happens when proper upkeep is not done. To prevent these from happening and to keep it in good condition, here are some upkeep tips for your Chevrolet Townsman freeze plug.

    Take out a stuck freeze plug.

    A freeze plug is made of metal and it rusts in the block, especially when you use water to fill the radiator instead of antifreeze. Hence, it gets stuck and would be very difficult to remove. However, you'll have to take it out eventually, and there is a trick on how you can easily do it. First off, you have to spray rust penetrant all over the plug and leave it for about 15 to 20 minutes. Afterwards, put the screwdriver beside the edges of the inside of the plug. Since it is stuck, you can tap the screwdriver with a hammer to loosen it up, but remember to be extremely careful because if you do it harshly, you might end up pushing the freeze plug way back into the block. Then, you can try to pull out the plug with a pair of pliers.

    Seal the freeze plug.

    A leak in the cooling system due to a worn freeze plug is a common problem. You can seal the plug to ensure that no coolant will seep from the radiator. Though it's not permanent, it will at least solve the leak while you look for a replacement freeze plug.

    Clean the freeze plug's hole.

    A reason why the freeze plug gets worn can be due to a dirty hole. Clean the hole of the engine by scraping it with sandpaper. This will allow you to remove old sealant and any signs of rust and corrosion. Take note that if you don't clean it regularly, it can cause leakage, which can be harder to fix.