What to do if your Chevy engine has two missing freeze plugs?
This small-block Chevrolet engine has two missing freeze plugs. If you left these out and put it in the car, the coolant would just pour out all over the floor. It is always a good idea to use a little sandpaper or a Scotch-Brite™ pad to clean up the hole in the block.
What kind of engine is in a 2002 Chevy Cavalier?
The lightweight aluminum four-valve overhead cam engine will be available in the 2002 Chevrolet Cavalier, Oldsmobile Alero, Pontiac Sunfire and Grand Am and Saturn L-Series and VUE. Chevrolet, Oldsmobile and Pontiac applications are rated at 140 horsepower with peak torque of 150 lb-ft.
How much pressure does water put on a freeze plug?
When water freezes, it can exert well over 10,000 lbs per square inch of pressure on the container it is in. In the case of the water jacket in your engine block, this is more than enough pressure to cause it to crack destroying your engine. The engine in your vehicle also has a secondary line of defense against freeze damage, freeze plugs.
What kind of freeze plug do I Need?
Freeze plugs come in many different sizes, and your engine will have multiple sizes, some engines have 10 or more plugs. You can purchase a complete freeze plug kit, or you can buy individual plugs if you need to only replace one or two. We highly recommend brass plugs for a lasting repair.
How did the freeze plugs get their name?
However, many people would forget to replace the plain water, resulting in frozen water inside the engine. The pressure of the frozen water would cause the plugs to pop, resulting in the name “freeze plugs.” When the engine block is formed, sand is used to form the basic shape and passageways.
What makes the hole in a freeze plug?
When the engine block is formed, sand is used to form the basic shape and passageways. The engine block is then combined with iron and aluminum. After cooling, the sand loosens and is removed through holes. These are the same holes that need plugging with the freeze plug.
What’s the best way to install a freeze plug?
Align the plug into the hole and press it in by hand. You should be able to get it to hold by hand. Next, the plug was installed into the block by hand. Make sure it is square to the hole. Next, use a bearing driver and a hammer to drive the plug into the hole. You want to drive on the outside of the plug, not the inside.