Basic Engine Topics - Hard Metal Components Inside Of An Engine
Basic Engine Topics – Hard Metal Components Inside Of An Engine

Choose Your Basic Engine Topics Below

Automotive Engine Rebuild – What You Need To Know Before You Start

Basic Engine Machining – Understanding The Machine Shop Processes

Connecting Rods – Create The Link Between The Piston And Crankshaft

Crankshafts – Convert The Vertical Movement Of Pistons Into A Rotation

Cylinder Heads – Usually Called The Top End Of The Engine

Diesel Engine Topics – They Are Sophisticated And Difficult To Diagnose

Engine Bearings – Enable Moving Parts To Spin Freely In The Engine

Engine Blocks – Contain All Of The Major Components

Mechanical Problems – Some Of The Most Costly Repairs

Engine Problems And Damage – The Most Expensive Of all Repairs

Oil Pressure – What Does It Do – Why Do You Need It

Piston Ring – Seal The Combustion Chamber While Dissipating Heat

Interference Or Non Interference Engine – What Is The Real Difference

Engine Damage – Look For Gradual Deterioration Before It’s Too Late

Repeat Engine Failures – Not Properly Diagnosing The Original Problem

Engine Replacement Tips – Engine Choices – Before And After Checks

Automotive Engine Failure – Common Warning Signs – Major Causes

Hydro-locked Engine – What Is It – What Damage Can It Do

Engine Rebuilding And Remanufacturing – What Is The Real Difference

Top Dead Center (TDC) When The Piston Is At The Top Of Its Stroke

Engine Bottom End Components – Know The Parts Inside Your Engine

Basic Engine Topics – Hard Metal Components Inside Of An Engine

Cylinder block deck:

So, The block deck is a flat machined surface for the cylinder head. Consequently, Bolt holes are drilled and tapped in the deck for heat bolts. Also, Coolant and oil passages allow fluids through the block; head gasket, and cylinder heads.

Cylinder block sleeves (liners):

So, There are two basic types of cylinder sleeves; dry sleeves and wet sleeves.

Cylinder bores:

So, There are several bores in the block; lifter bores, cam bores, main bore.

Main caps:

Consequently, They are bolted to the bottom of the cylinder block; and form one-half of the main bore. Consequently, Large main cap bolts screw into holes in the block; to secure the caps to the block.

Main bearings:

Main bearings fit into the cylinder block and main caps; to provide an operating surface for the crankshaft main journals.


So, The crankshaft converts the reciprocating of the pistons; into a rotating motion. Consequently, The crankshaft fits into the main bore of the block.

Connecting rod:

Fastens the piston to the crankshaft.

Connecting rod bearings:

Ride on the crankshaft rod journal.

Piston pin:

Allows the piston to swing on the connecting rod. Consequently, The pin fits through the hole in the piston and the connecting rod small end.


Consequently, Transfers the pressure from the combustion; to the connecting rod and crankshaft. Also, It must hold the piston rings and piston pin; while operating in the cylinder.

Piston rings:

So, Automotive pistons normally use three rings- two compression rings and one oil ring.

The cylinder head:

Bolts to the deck of the block and covers the top of the cylinders. Consequently, A head gasket seals the block and head surfaces to prevent oil; coolant, and pressure leakage.

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