What size do freeze plugs come in?

– Size Range 1-5/8 In. – 1-3/4 In. (sold by each)

Are all freeze plugs the same?

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.

Do freeze plugs actually work?

Freeze plugs typically fail by freezing. This isn’t necessarily a bad thing, though. Freeze plugs were originally used to protect engines from cold-related damage. If the coolant inside an engine freezes, it may cause the block to crack.

Are steel or brass freeze plugs better?

The plug should be a softer metal than the block surrounding it. The plug will colapse if ice forms in the block saving it from cracking. That’s why most people use brass. It’s pennies more to do it right.

How much is a freeze plug?

Researching online, an easy to reach freeze plug could cost anywhere from $200 to $400, whereas a freeze plug that requires the mechanic to lift the engine or transmission out can cost anywhere from $900 to more than $1,800.

Can you replace freeze plugs without removing the engine?

freeze plugs you can get to without removing suspension components or pulling the engine entirely (btw, any engine overhaul should include replacing the freeze plugs — they’re only a dollar or two …

Will Stop leak fix a leaking freeze plug?

If the leak is slow and small, a stop leak or block seal compound might work. However, this is usually a temporary solution at best – it might not work, might not last for long, and could clog up something else in your cooling system. The right way to fix it is to replace the freeze plug.

Can you drive a car with a bad freeze plug?

If you have no other option, you may be able to drive with a bad freeze plug. As long as you keep your engine coolant full and your engine never gets hot, you could limp your car along with a leaking freeze plug although we never recommend it. It’s messy and at any point could leak to your engine overheating.

Why do freeze plugs go bad?

If you have water or coolant leaking from the side of your engine or between the engine & transmission, you most likely have a bad freeze plug. Sometimes the hole in the freeze plug is very small, and can periodically be blocked by debris from the cooling system.

Do freeze plugs rust?

The freeze plugs are made of very thin metal. And if they rust, they leak. Ray: To replace the freeze plugs, you have to remove the engine.

How many freeze plugs does a 350 have?

The small-block Chevy 350 engine has two freeze plugs on either side of the engine block and two in the rear of the block on both sides of the camshaft. They are offered in steel or brass. The brass freeze plugs are slightly more expensive but well worth it.

How do you install a freeze plug?

Push the freeze plug straight into the hole and tap it gently around the circumference to hold it in place. Insert the installer socket with the extension in the center of the freeze plug and tap it in. Keep the plug straight and stop when the edge of the freeze plug is 1/16 of an inch below the block housing.

Where is the freeze plug on an engine?

Freeze plugs are located in the engine block in various places. Along both sides of the block, some behind the starter, some behind the motor mounts. There are also freeze plugs in the front of the engine block and some engine also have them in the cylinder heads.

What is a freeze plug kit?

Melling expansion / freeze plug kits provide an efficient way to supply the plug requirements to complete your engine rebuild. Melling offers convenient bagged coverage for most domestic and import engine applications.