What is liner protrusion?
Liner protrusion refers to how far the cylinder liner protrudes above the spacer plate on the top of the block. If the liner does not protrude enough, the head gasket can, and will, fail.
What is the difference between a dry liner and wet liner?
Dry liners are relatively thinner than Wet liners. Dry liner is not in direct contact with the coolant but protects Piston from wear and impurities. Dry liner fits directly against the wall of the cooling jacket in the cylinder block.
What is cylinder liner What is the difference between a dry liner and wet liner?
The dry liner does not come in contact with the coolant. Instead, it fits closely against the wall of the cooling jacket in the cylinder block. With the wet liner, the coolant comes in direct contact with the liner.
What are the problems with incorrect liner protrusion?
The most common problems from incorrect liner protrusion are leaky head gaskets, damaged pistons, pitted cylinder head decks and cracked liner flanges. Take a look at the photos, under magnification, of correct and incorrect liner protrusion.
What is the purpose of cylinder liner protrusion?
What is the purpose of liner protrusion? Liner protrusion is the distance the cylinder liner sticks above the deck surface of the block. The main purpose of cylinder liner or sleeve protrusion is to give you the proper amount of “crush” on your cylinder head gasket.
How does the liner protrusion work on a Mack E-7?
Three things to consider when looking at the cylinder liner sleeve installation process for the Mack E-7 reman: Liner protrusion is the measurement the cylinder liner extends above the surface of the engine block. It is supposed to stick above the surface of the block and act essentially as a cushion on the cylinder head gasket.
What happens if cylinder liner is not installed?
Not having the proper seal between the head and block can result in catastrophic engine failure. The most common problems from incorrect liner protrusion are leaky head gaskets, damaged pistons, pitted cylinder head decks and cracked liner flanges.