Is it necessary to add head gasket sealer additive to your car? Here's what you need to know about its benefits and the brands that are considered the best.

The lube should be used under the head of the bolt or the bearing surface of the nut and on the threads, unless a thread sealer is used." AndHot Rodsays it's good stuff to use for all head bolts.

Should I retorque head bolts? Yep, that seems to be a big question ... will want to use some sort of high-temperature or ARP tread sealer. If not, water will be forced up through the threads ...

Got a round head on your bolt? Machined perfectly round like it was done on a lathe? Don’t worry, you have options. Defeating a stripped bolt provides the most important lesson any would-be ...

The head gasket lives between these two components and helps maintain a tight seal. However, over time and following routine maintenance or modifications, the bolts holding your cylinder head to ...

With all the bolts removed, the manifold and gasket were removed, exposing the broken studs in the cylinder head. Depending on where the stud or nut breaks determines how lucky you are.