Menu Close

Can you drive with a leaking freeze plug?

Can you drive with a leaking 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.

How can you stop a freeze plug from leaking?

BlueDevil Pour-N-Go is incredibly simple to use and will permanently seal a leaking freeze plug without having to drain and refill your cooling system or ever crawl under your vehicle.

How do you seal a freeze plug?

Clean the surface with some brake cleaner and wipe dry. Then prep the plug with some Permatex Form-A-Gasket #1 sealant. This product is designed for freeze plugs and other press-fit applications, as well as gaskets. Just a thin coating is all you need.

Will Stop leak seal a freeze plug?

It easily seals leaks in plastic, aluminum, and metal radiators, heater cores, gaskets, and freeze plugs. One other benefit is this stop leak can be added to the cooling system without having to flush out the antifreeze.

Can a bad freeze plug cause overheating?

A small Pin hole leak can develop over time in the heater or radiator cores. A faulty freeze plug in the engine block can also be responsible for allowing coolant to leak from the system. Loose or faulty gaskets on the engine can enable coolant leaks to develop, causing an overheating of the car’s engine.

How much does a freeze plug cost to replace?

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.

What are the signs of a bad freeze plug?

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.

Can you patch a freeze plug?

A freeze plug that needs repair will be leaking coolant, and will need to either be resealed or replaced, depending on how bad the damage is. Freeze plug replacement can be performed without hiring an auto mechanic, but requires proficiency with auto parts and the tools used with them.

How tight should a rubber freeze plug be?

if you use the rubber plug it should be real close to fitting without tightening, then tighten just to hold it in the block. also a good rule of thumb is if the motor has steel plugs in it and one rusted though….the rest aren’t far behind.

Can you reuse a freeze plug?

No – do not re-use it. The sides of a freeze plug are slightly tapered to become a press fit in the opening. Once the plug has been used, the sides have been bent in and it will not fit as tightly as it should. They are so cheap that it’s not worth the brain power to even think about it.

Do freeze plugs spoil?

If you have a bad freeze plug, your vehicle will leak coolant. If you have a slow cooling system leak that comes and goes, you may have a pinhole freeze leak. 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.