Liquid Glass to Seal a Head Gasket

How to fix your blown head gasket with a six dollar bottle of repair fix called liquid glass.

A blown head gasket can allow water to get into your oil. This can cause compression and power loss,

and can cost a pretty penny to replace. This easy fix will allow you to continue driving your vehicle

until you can afford the cost of a re-manufactured or resurfaced head. Liquid Glass is an aftermarket

repair liquid that will bind to any weakened areas of your head gasket or head when heated in your

radiator. You can find this at any AutoZone, NAPA, Pep Boys or associated repair shops.

You’re Going to Need:

  • 1 bottle of Liquid Glass
  • 1 large catch pan
  • 1 Pitcher for water
  • Water source

Start your vehicle and pour the entire bottle of Liquid Glass into your radiator. Allow your vehicle to

get up to regular operating temperature.

Shut off the vehicle. Place your catch pan under the front of your vehicle where the release cap is for

your radiator drain.
Unscrew the radiator drain valve and allow it to drain completely into the catch pan once the vehicle

has cooled. Dispose of the drainage as your local laws require.

Replace the drain cap and refill your radiator with water. Start your vehicle and allow it to run until
it has reached regular operating temperature, then shut it off again.

Again replace the catch pan under the release valve for your radiator, and unscrew the valve. Allow all

the water to drain, and dispose of it as law requires.

For the last time, replace the cap and refill your radiator completely. You have now sealed up any

places in your head that may have allowed a leak.

Some vehicles are equipped with an aluminum head, in which case this will not repair your problem. You

can call a local repair shop to price a resurfaced head, which will be the cheapest route for you to

take with this repair. Many junkyards also carry heads, and you should call to price them as well.

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Published in: Do-It-Yourself


RSSComments: 2  |  Post a Comment
  1. Most of these bottle remedies require you to drain and flush all antifreeze out of the radiator first. The antifreeze reacts with the ingredients and will block your entire cooling system if the directions are not carefully followed. Otherwise, they usually are great products for small leaks.

  2. Thanks for sharing this article, its been a really interesting read. I have heard really great things about how people have been able to fix therehead gasket sealer with some work. I have a sister who didn’t have that luck. It was a tough process for her to get out of. I hope it never happens to me. Thanks again for sharing!

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