Fixing a cylinder head crack in the injector bore begins by locating the offending cylinder. The first step in diagnosing a cracked head is to remove the valve covers, exposing the fuel supply rails.

…everything it's cracked up to be By Jim McFarlandMost of us are at the mercy of machine shops, especially when it comes to the repair of aluminum cylinder head ...

After the repair, the cylinder head is tested to ensure it works properly. This method restores the cylinder head’s strength, allowing the truck to run smoothly again.

The head had good compression, and the engine actually ran for 20 minutes before the test was concluded. If this were a test of a field repair, it would be a test of an extremely crappy field repair.

Cracked cylinder head after 48k miles - MINI/BMW won't contribute to repairs My Mini had only done 48,000 miles when it developed a cracked cylinder head. BMW/Mini wanted £1200 to do an initial ...

Head gasket sealer is a product that's supposed to temporarily fix a leaking head gasket. It works by plugging the tiny holes in your engine's cylinder head and restoring compression. Does it work?