Camshaft

Camshaft Operation:

A shaft having lobes driven by the crankshaft via gears, chains, or belts that, in turn, opens and closes the intake and exhaust valves at proper intervals.

How To Instructions:

Inspect - Check for obvious problems.
Test - Give it an in-depth diagnosis.
Service - Do the jobs that fix your car.
Replace - Out with the old, in with the new.

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